Wiznet W7500 Manuale utente

W7500 Reference Manual

Version 1.0.0

http://www.wiznet.co.kr

W7500 Datasheet Version1.0.0 2 / 512

Table of Contents

1Documentation conventions ........................................................................ 29

List of abbreviations....................................................................... 291.1

Glossary ...................................................................................... 291.2

2System and memory overview ..................................................................... 32

2.1 System architecture ....................................................................... 32

2.2 Memory organization ...................................................................... 33

2.2.1 Introduction ......................................................................... 33

2.2.2 Memory map......................................................................... 34

3System configuration controller (SYSCFG)....................................................... 35

3.1 Introduction ................................................................................. 35

3.2 Registers (Base address : 0x4001_F000)................................................ 35

3.2.1 REMAP register ...................................................................... 35

3.2.2 RESETOP register ................................................................... 35

3.2.3 RSTINFO register.................................................................... 36

4Interrupt and events ................................................................................. 36

4.1 Introduction ................................................................................. 36

4.2 Interrupt assignments ..................................................................... 37

4.3 Event ......................................................................................... 38

5Power supply ........................................................................................... 38

5.1 Introduction ................................................................................. 38

5.2 Voltage regulator........................................................................... 38

5.3 Power supply supervisor .................................................................. 38

5.4 Low-power modes.......................................................................... 39

5.4.1 Sleep mode .......................................................................... 39

5.4.2 Peripheral clock gating ............................................................ 39

6System tick timer ..................................................................................... 40

6.1 Introduction ................................................................................. 40

6.2 Features ..................................................................................... 40

6.3 Functional description .................................................................... 40

6.4 Registers (Base : 0xE000_E000).......................................................... 41

6.4.1 System Timer control and status register (SYST_CSR) ....................... 41

6.4.2 SysTick Reload Value Register (SYST_RVR) ..................................... 41

6.4.3 SysTick Current Value Register (SYST_CVR) .................................... 42

6.4.4 SysTick Calibration Value Register (SYST_CALIB) ............................. 42

7TCPIPCore Offload Engine (TOE) ................................................................... 43

Introduction ................................................................................. 437.1

W7500 Datasheet Version1.0.0 3 / 512

Features ..................................................................................... 437.2

Functional description .................................................................... 437.3

TOE Memory map........................................................................... 447.4

Common register map ............................................................. 467.4.1

Socket register map................................................................ 467.4.2

Memory ............................................................................... 477.4.3

Common register (Base : 0x4100_0000)................................................ 497.5

VERSIONR (TOE Version Register) ................................................ 497.5.1

TCKCNTR (Ticker Counter Register) ............................................. 497.5.2

IR (Interrupt Register) ............................................................. 497.5.3

IMR (Interrupt Mask Register) .................................................... 507.5.4

IRCR (Interrupt Clear Register)................................................... 517.5.5

SIR (Socket Interrupt Register)................................................... 517.5.6

SIMR (Socket Interrupt Mask Register) .......................................... 527.5.7

MD (Mode Register)................................................................. 527.5.8

PTIMER (PPP Link Control Protocol Request Timer Register)................ 537.5.9

PMAGICR (PPP Link Control Protocol Magic number Register) .............. 547.5.10

PHAR (Destination Hardware Address Register in PPPoE) ................... 547.5.11

PSIDR (Session ID Register in PPPoE) ............................................ 557.5.12

PMRUR (Maximum Receive Unit Register in PPPoE)........................... 557.5.13

SHAR (Source Hardware Address Register) ..................................... 567.5.14

GAR (Gateway Address) ........................................................... 577.5.15

SUBR ( Subnet Mask Register) .................................................... 577.5.16

SIPR (Source IP address Register) ................................................ 587.5.17

NCONFLR ( Network Configuration Lock Register) ............................ 587.5.18

RTR (Retry Time Register)......................................................... 597.5.19

RCR (Retry Counter Register)..................................................... 597.5.20

UIPR (Unreachable IP address Register) ........................................ 617.5.21

UPORTR (Unreachable Port Register) ........................................... 627.5.22

Socket register (Base : 0x4101_0000 + 0x0004_000 x n)[n=0,…7, where n is 7.6

socket number] ......................................................................................... 62

Sn_MR (Socket n Mode Register) ................................................. 627.6.1

Sn_CR (Socket n Command Register)............................................ 647.6.2

Sn_IR (Socket n Interrupt Register) ............................................. 677.6.3

Sn_IMR (Socket n Interrupt Mask Register)..................................... 677.6.4

Sn_ICR (Socket n Interrupt Clear Register) .................................... 687.6.5

Sn_SR (Socket n Status Register) ................................................ 697.6.6

Sn_PNR (Socket n Protocol Number Register) ................................. 717.6.7

Sn_TOSR (Socket n IP Type of Service Register) ............................... 717.6.8

W7500 Datasheet Version1.0.0 4 / 512

Sn_TTLR (Socket n TTL Register) ................................................ 727.6.9

Sn_FRAGR (Socket n Fragment offset Register) ............................... 727.6.10

Sn_MSSR (Socket n Maximum Segment Register).............................. 737.6.11

Sn_PORTR (Socket n Source Port Register)..................................... 737.6.12

Sn_DHAR (Socket n Destination Hardware address Register) ............... 747.6.13

Sn_DPORTR (Socket n Destination Port Number Register)................... 757.6.14

Sn_DIPR (Socket n Destination IP address Register) .......................... 757.6.15

Sn_KATMR (Socket n Keep Alive Timer Register) .............................. 767.6.16

Sn_RTR (Socket n Retry Time Register) ....................................... 777.6.17

Sn_RCR (Socket n Retry Counter Register) ..................................... 777.6.18

Sn_TXBUF_SIZE (Socket n TX Buffer Size Register) ........................... 787.6.19

Sn_TX_FSR (Socket n TX Free Size Register)................................... 797.6.20

Sn_TX_RD (Socket n TX Read Pointer Register) ............................... 807.6.21

Sn_TX_WR (Socket n TX Write Pointer Register) .............................. 807.6.22

Sn_RXBUF_SIZE (Socket n RX Buffer Size Register) ........................... 817.6.23

Sn_RX_RSR (Socket n RX Received Size Register) ............................. 827.6.24

Sn_RX_RD (Socket n RX Read Pointer Register) ............................... 827.6.25

Sn_RX_WR (Socket n RX Write Pointer Register) .............................. 837.6.26

8Booting Sequence ..................................................................................... 84

9Embedded Flash memory............................................................................85

Flash main features........................................................................ 859.1

Flash memory functional description................................................... 859.2

Flash memory organization ....................................................... 859.2.1

Read operations..................................................................... 879.2.2

Flash erase operations............................................................. 889.2.3

Flash program operation .......................................................... 909.2.4

Memory protection......................................................................... 919.3

Read protection..................................................................... 919.3.1

Write protection .................................................................... 919.3.2

10Clock Reset generator (CRG)........................................................................92

10.1 Introduction ................................................................................. 92

10.2 Features ..................................................................................... 92

10.2.1 Reset .................................................................................. 92

10.2.2 Clock.................................................................................. 92

10.3 Functional description .................................................................... 93

10.3.1 External Oscillator Clock .......................................................... 93

10.3.2 RC oscillator clock.................................................................. 94

10.3.3 PLL .................................................................................... 94

10.3.4 Generated clock .................................................................... 94

W7500 Datasheet Version1.0.0 5 / 512

10.4 Registers (Base address : 0x4100_1000)................................................ 95

10.4.1 OSC power down register (OSC_PDR) ........................................... 95

10.4.2 PLL power down register (PLL_PDR) ............................................ 95

10.4.3 PLL frequency calculating register (PLL_FCR)................................. 95

10.4.4 PLL output enable register (PLL_OER) .......................................... 96

10.4.5 PLL bypass register (PLL_BPR) ................................................... 96

10.4.6 PLL input clock source select register (PLL_IFSR) ............................ 97

10.4.7 FCLK source select register (FCLK_SSR) ........................................ 97

10.4.8 FCLK prescale value select register (FCLK_PVSR) ............................ 98

10.4.9 SSPCLK source select register (SSPCLK_SSR) .................................. 98

10.4.10 SSPCLK prescale value select register (SSPCLK_PVSR) ....................... 99

10.4.11 ADCCLK source select register (ADCCLK_SSR) ................................. 99

10.4.12 ADCCLK prescale value select register (ADCCLK_PVSR) ....................100

10.4.13 TIMER0CLK source select register (TIMER0CLK_SSR) ........................100

10.4.14 TIMER0CLK prescale value select register (TIMER0CLK_PVSR) ............100

10.4.15 TIMER1CLK source select register (TIMER1CLK_SSR) ........................101

10.4.16 TIMER1CLK prescale value select register (TIMER1CLK_PVSR) ............101

10.4.17 PWM0CLK source select register (PWM0CLK_SSR) ...........................102

10.4.18 PWM0CLK prescale value select register (PWM0CLK_PVSR)................103

10.4.19 PWM1CLK source select register (PWM1CLK_SSR) ...........................103

10.4.20 PWM1CLK prescale value select register (PWM1CLK_PVSR)................104

10.4.21 PWM2CLK source select register (PWM2CLK_SSR) ...........................104

10.4.22 PWM2CLK prescale value select register (PWM2CLK_PVSR)................105

10.4.23 PWM3CLK source select register (PWM3CLK_SSR) ...........................105

10.4.24 PWM3CLK prescale value select register (PWM3CLK_PVSR)................106

10.4.25 PWM4CLK source select register (PWM4CLK_SSR) ...........................106

10.4.26 PWM4CLK prescale value select register (PWM4CLK_PVSR)................107

10.4.27 PWM5CLK source select register (PWM5CLK_SSR) ...........................107

10.4.28 PWM5CLK prescale value select register (PWM5CLK_PVSR)................108

10.4.29 PWM6CLK source select register (PWM6CLK_SSR) ...........................108

10.4.30 PWM6CLK prescale value select register (PWM6CLK_PVSR)................109

10.4.31 PWM7CLK source select register (PWM7CLK_SSR) ...........................109

10.4.32 PWM7CLK prescale value select register (PWM7CLK_PVSR)................110

10.4.33 WDOGCLK High Speed source select register (WDOGCLK_HS_SSR) .......110

10.4.34 WDOGCLK High Speed prescale value select register (WDOGCLK_HS_PVSR)

111

10.4.35 UARTCLK source select register (UARTCLK_SSR) .............................111

10.4.36 UARTCLK prescale value select register (UARTCLK_PVSR) .................112

10.4.37 MIICLK enable control register (MIICLK_ECR).................................112

W7500 Datasheet Version1.0.0 6 / 512

10.4.38 Monitoring Clock source select register (MONCLK_SSR) ....................113

10.5 Register map ...............................................................................115

11Random number generator (RNG) ............................................................... 117

Introduction ................................................................................11711.1

Features ....................................................................................11711.2

Functional description ...................................................................11711.3

Operation RNG .....................................................................11811.3.1

Registers (Base address : 0x4000_7000)...............................................11911.4

RNG run register (RNG_RUN) ....................................................11911.4.1

RNG SEED register (RNG_SEED) .................................................11911.4.2

RNG clock select register (RNG_CLKSEL)......................................11911.4.3

RNG manual mode select register (RNG_MODE) .............................12011.4.4

RNG random number value register (RNG_RN) ...............................12011.4.5

RNG polynomial register (RNG_POLY)..........................................12111.4.6

12Alternate Function Controller (AFC) ............................................................ 123

Introduction ................................................................................12312.1

Features ....................................................................................12312.2

Functional description ...................................................................12312.3

Registers (Base address : 0x4100_2000)...............................................12512.4

PA_00 pad alternate function select register (PA_00_AFR) ................12512.4.1

PA_01 pad alternate function select register (PA_01_AFR) ................12512.4.2

PA_02 pad alternate function select register (PA_02_AFR) ................12612.4.3

PA_03 pad alternate function select register (PA_03_AFR) ................12612.4.4

PA_04 pad alternate function select register (PA_04_AFR) ................12712.4.5

PA_05 pad alternate function select register (PA_05_AFR) ................12712.4.6

PA_06 pad alternate function select register (PA_06_AFR) ................12812.4.7

PA_07 pad alternate function select register (PA_07_AFR) ................12812.4.8

PA_08 pad alternate function select register (PA_08_AFR) ................12912.4.9

PA_09 pad alternate function select register (PA_09_AFR) ................12912.4.10

PA_10 pad alternate function select register (PA_10_AFR) ................13012.4.11

PA_11 pad alternate function select register (PA_11_AFR) ................13012.4.12

PA_12 pad alternate function select register (PA_12_AFR) ................13112.4.13

PA_13 pad alternate function select register (PA_13_AFR) ................13112.4.14

PA_14 pad alternate function select register (PA_14_AFR) ................13212.4.15

PA_15 pad alternate function select register (PA_15_AFR) ................13212.4.16

PB_00 pad alternate function select register (PB_00_AFR) ................13312.4.17

PB_01 pad alternate function select register (PB_01_AFR) ................13312.4.18

PB_02 pad alternate function select register (PB_02_AFR) ................13412.4.19

W7500 Datasheet Version1.0.0 7 / 512

PB_03 pad alternate function select register (PB_03_AFR) ................13412.4.20

PB_04 pad alternate function select register (PB_04_AFR) ................13512.4.21

PB_05 pad alternate function select register (PB_05_AFR) ................13512.4.22

PB_06 pad alternate function select register (PB_06_AFR) ................13612.4.23

PB_07 pad alternate function select register (PB_07_AFR) ................13612.4.24

PB_08 pad alternate function select register (PB_08_AFR) ................13712.4.25

PB_09 pad alternate function select register (PB_09_AFR) ................13712.4.26

PB_10 pad alternate function select register (PB_10_AFR) ................13812.4.27

PB_11 pad alternate function select register (PB_11_AFR) ................13812.4.28

PB_12 pad alternate function select register (PB_12_AFR) ................13912.4.29

PB_13 pad alternate function select register (PB_13_AFR) ................13912.4.30

PB_14 pad alternate function select register (PB_14_AFR) ................14012.4.31

PB_15 pad alternate function select register (PB_15_AFR) ................14012.4.32

PC_00 pad alternate function select register (PC_00_AFR)................14112.4.33

PC_01 pad alternate function select register (PC_01_AFR)................14112.4.34

PC_02 pad alternate function select register (PC_02_AFR)................14212.4.35

PC_03 pad alternate function select register (PC_03_AFR)................14212.4.36

PC_04 pad alternate function select register (PC_04_AFR)................14312.4.37

PC_05 pad alternate function select register (PC_05_AFR)................14312.4.38

PC_06 pad alternate function select register (PC_06_AFR)................14412.4.39

PC_07 pad alternate function select register (PC_07_AFR)................14412.4.40

PC_08 pad alternate function select register (PC_08_AFR)................14512.4.41

PC_09 pad alternate function select register (PC_09_AFR)................14512.4.42

PC_10 pad alternate function select register (PC_10_AFR)................14612.4.43

PC_11 pad alternate function select register (PC_11_AFR)................14612.4.44

PC_12 pad alternate function select register (PC_12_AFR)................14712.4.45

PC_13 pad alternate function select register (PC_13_AFR)................14712.4.46

PC_14 pad alternate function select register (PC_14_AFR)................14812.4.47

PC_15 pad alternate function select register (PC_15_AFR)................14812.4.48

PD_00 pad alternate function select register (PD_00_AFR)................14912.4.49

PD_01 pad alternate function select register (PD_01_AFR)................14912.4.50

PD_02 pad alternate function select register (PD_02_AFR)................15012.4.51

PD_03 pad alternate function select register (PD_03_AFR)................15012.4.52

PD_04 pad alternate function select register (PD_04_AFR)................15112.4.53

13External Interrupt (EXTI) .......................................................................... 155

Introduction ................................................................................15513.1

Features ....................................................................................15513.2

Functional description ...................................................................15513.3

W7500 Datasheet Version1.0.0 8 / 512

Registers (Base address : 0x4100_2000)...............................................15713.4

PA_00 external interrupt enable register (PA_00_EXTINT) .................15713.4.1

PA_01 external interrupt enable register (PA_01_EXTINT) .................15713.4.2

PA_02 external interrupt enable register (PA_02_EXTINT) .................15813.4.3

PA_03 external interrupt enable register (PA_03_EXTINT) .................15813.4.4

PA_04 external interrupt enable register (PA_04_EXTINT) .................15913.4.5

PA_05 external interrupt enable register (PA_05_EXTINT) .................15913.4.6

PA_06 external interrupt enable register (PA_06_EXTINT) .................16013.4.7

PA_07 external interrupt enable register (PA_07_EXTINT) .................16013.4.8

PA_08 external interrupt enable register (PA_08_EXTINT) .................16113.4.9

PA_09 external interrupt enable register (PA_09_EXTINT) .................16213.4.10

PA_10 external interrupt enable register (PA_10_EXTINT) .................16213.4.11

PA_11 external interrupt enable register (PA_11_EXTINT) .................16313.4.12

PA_12 external interrupt enable register (PA_12_EXTINT) .................16313.4.13

PA_13 external interrupt enable register (PA_13_EXTINT) .................16413.4.14

PA_14 external interrupt enable register (PA_14_EXTINT) .................16413.4.15

PA_15 external interrupt enable register (PA_15_EXTINT) .................16513.4.16

PB_00 external interrupt enable register (PB_00_EXTINT) ................16513.4.17

PB_01 external interrupt enable register (PB_01_EXTINT) ................16613.4.18

PB_02 external interrupt enable register (PB_02_EXTINT) ................16613.4.19

PB_03 external interrupt enable register (PB_03_EXTINT) ................16713.4.20

PB_04 external interrupt enable register (PB_04_EXTINT) ................16813.4.21

PB_05 external interrupt enable register (PB_05_EXTINT) ................16813.4.22

PB_06 external interrupt enable register (PB_06_EXTINT) ................16913.4.23

PB_07 external interrupt enable register (PB_07_EXTINT) ................16913.4.24

PB_08 external interrupt enable register (PB_08_EXTINT) ................17013.4.25

PB_09 external interrupt enable register (PB_09_EXTINT) ................17013.4.26

PB_10 external interrupt enable register (PB_10_EXTINT) ................17113.4.27

PB_11 external interrupt enable register (PB_11_EXTINT) ................17113.4.28

PB_12 external interrupt enable register (PB_12_EXTINT) ................17213.4.29

PB_13 external interrupt enable register (PB_13_EXTINT) ................17213.4.30

PB_14 external interrupt enable register (PB_14_EXTINT) ................17313.4.31

PB_15 external interrupt enable register (PB_15_EXTINT) ................17413.4.32

PC_00 external interrupt enable register (PC_00_EXTINT) ................17413.4.33

PC_01 external interrupt enable register (PC_01_EXTINT) ................17513.4.34

PC_02 external interrupt enable register (PC_02_EXTINT) ................17513.4.35

PC_03 external interrupt enable register (PC_03_EXTINT) ................17613.4.36

PC_04 external interrupt enable register (PC_04_EXTINT) ................17613.4.37

PC_05 external interrupt enable register (PC_05_EXTINT) ................17713.4.38

W7500 Datasheet Version1.0.0 9 / 512

PC_06 external interrupt enable register (PC_06_EXTINT) ................17713.4.39

PC_07 external interrupt enable register (PC_07_EXTINT) ................17813.4.40

PC_08 external interrupt enable register (PC_08_EXTINT) ................17813.4.41

PC_09 external interrupt enable register (PC_09_EXTINT) ................17913.4.42

PC_10 external interrupt enable register (PC_10_EXTINT) ................18013.4.43

PC_11 external interrupt enable register (PC_11_EXTINT) ................18013.4.44

PC_12 external interrupt enable register (PC_12_EXTINT) ................18113.4.45

PC_13 external interrupt enable register (PC_13_EXTINT) ................18113.4.46

PC_14 external interrupt enable register (PC_14_EXTINT) ................18213.4.47

PC_15 external interrupt enable register (PC_15_EXTINT) ................18213.4.48

PD_00 external interrupt enable register (PD_00_EXTINT) ................18313.4.49

PD_01 external interrupt enable register (PD_01_EXTINT) ................18313.4.50

PD_02 external interrupt enable register (PD_02_EXTINT) ................18413.4.51

PD_03 external interrupt enable register (PD_03_EXTINT) ................18413.4.52

PD_04 external interrupt enable register (PD_04_EXTINT) ................18513.4.53

14Pad Controller (PADCON) .......................................................................... 189

Introduction ................................................................................18914.1

Features ....................................................................................18914.2

Functional description ...................................................................18914.3

14.4 Registers (Base address : 0x4100_3000)...............................................190

14.4.1 PA_00 pad control register.......................................................190

14.4.2 PA_01 pad control register.......................................................191

14.4.3 PA_02 pad control register.......................................................192

14.4.4 PA_03 pad control register.......................................................192

14.4.5 PA_04 pad control register.......................................................193

14.4.6 PA_05 pad control register.......................................................194

14.4.7 PA_06 pad control register.......................................................194

14.4.8 PA_07 pad control register.......................................................195

14.4.9 PA_08 pad control register.......................................................196

14.4.10 PA_09 pad control register.......................................................196

14.4.11 PA_10 pad control register.......................................................197

14.4.12 PA_11 pad control register.......................................................198

14.4.13 PA_12 pad control register.......................................................199

14.4.14 PA_13 pad control register.......................................................199

14.4.15 PA_14 pad control register.......................................................200

14.4.16 PA_15 pad control register.......................................................201

14.4.17 PB_00 pad control register.......................................................201

14.4.18 PB_01 pad control register.......................................................202

W7500 Datasheet Version1.0.0 10 / 512

14.4.19 PB_02 pad control register.......................................................203

14.4.20 PB_03 pad control register.......................................................203

14.4.21 PB_04 pad control register.......................................................204

14.4.22 PB_05 pad control register.......................................................205

14.4.23 PB_06 pad control register.......................................................205

14.4.24 PB_07 pad control register.......................................................206

14.4.25 PB_08 pad control register.......................................................207

14.4.26 PB_09 pad control register.......................................................208

14.4.27 PB_10 pad control register.......................................................208

14.4.28 PB_11 pad control register.......................................................209

14.4.29 PB_12 pad control register.......................................................210

14.4.30 PB_13 pad control register.......................................................210

14.4.31 PB_14 pad control register.......................................................211

14.4.32 PB_15 pad control register.......................................................212

14.4.33 PC_00 pad control register ......................................................212

14.4.34 PC_01 pad control register ......................................................213

14.4.35 PC_02 pad control register ......................................................214

14.4.36 PC_03 pad control register ......................................................214

14.4.37 PC_04 pad control register ......................................................215

14.4.38 PC_05 pad control register ......................................................216

14.4.39 PC_06 pad control register ......................................................216

14.4.40 PC_07 pad control register ......................................................217

14.4.41 PC_08 pad control register ......................................................218

14.4.42 PC_09 pad control register ......................................................219

14.4.43 PC_10 pad control register ......................................................219

14.4.44 PC_11 pad control register ......................................................220

14.4.45 PC_12 pad control register ......................................................221

14.4.46 PC_13 pad control register ......................................................221

14.4.47 PC_14 pad control register ......................................................222

14.4.48 PC_15 pad control register ......................................................223

14.4.49 PD_00 pad control register ......................................................223

14.4.50 PD_01 pad control register ......................................................224

14.4.51 PD_02 pad control register ......................................................225

14.4.52 PD_03 pad control register ......................................................225

14.4.53 PD_04 pad control register ......................................................226

15General-purpose I/Os(GPIO)....................................................................... 232

Introduction ................................................................................23215.1

Features ....................................................................................23215.2

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