OLIMEX SAM3-P256 Manuale utente

SAM3-P256 development board

user's manual

All boards produced by Olimex are ROHS compliant

Rev. C, September 201

Page 1

INTRODUCTION:

Atmel's ATSAM3S BA-AU is a member of a series of Flash microcon-

trollers based on the high performance 32-bit AR Cortex- 3 RISC processor. It

operates at a maximum speed of 64 Hz and features a 256 Kbyte Flash and a 48

Kbyte SRA , Full Speed USB Device port with embedded transceiver, a High

Speed CI for SDIO/SD/ C, an External Bus Interface featuring a Static em-

ory Controller providing connection to SRA , PSRA , NOR Flash and NAND

Flash, 2x USARTs, 2xUARTs, 2xTWIs, 3xSPI, an I2S, as well as 1 PW timer, 6x

general-purpose 16-bit timers, an RTC, an ADC, a 12-bit DAC and an analog com-

parator.

SAM3-P256 has JTAG, UEXT, USB and two RS232 connectors, power jack,

potentiometer, two user buttons, two status LEDs, power-on led, reset button and

prototype area for all microcontroller's ports. All this gives the customer chance to

build a wide range of applications.

BOARD FEATURES:

icrocontroller: ATSAM3S BA-AU.

standard JTAG connector with AR 2×10 pin layout for program-

ming/debugging with AR -JTAG

USB connector

Two channel RS232 interface and drivers

SD/ C card connector

two buttons

trimpot connected to ADC

thermistor connected to ADC

two status LEDs

on board voltage regulator 3.3V with up to 800mA current

single power supply: 6VDC or 4.5 VAC required

power supply LED

RESET circuit

RESET button

12.000 hz crystal on socket

UEXT connector

prototype area for all microcontroller's ports

PCB: FR-4, 1.5 mm (0,062"), red soldermask, silkscreen component

Dimensions: 120×80 mm (4.72×3.15")

Page 2

ELECTROSTATIC WARNING:

The SAM3-P256 board is shipped in protective anti-static packaging. The board

must not be subject to high electrostatic potentials. General practice for working

with static sensitive devices should be applied when working with this board.

BOARD USE REQUIREMENTS:

Cables: The cable you will need depends on the programmer/debugger you use.

OLI EX debuggers need USB type B to USB type A cable to connect to a

computer.

Hardware: The best idea is to use a debugger made by Atmel, since the main

microcontroller is made by Atmel.

Another reliable choice is Segger's JLINK which is well-supported works with most

AR products.

If you are looking for open-source development please check the Olimex-made

debuggers: AR -USB-OCD, AR -USB-TINY, AR -USB-OCD-H, AR -USB-

TINY-H if you work with OpenOCD, IAR EW for AR , Rowley Crossworks for

AR , CooCox, GCC compilers, etc.

PROCESSOR FEATURES:

SAM3-P256 board use AR -based microcontroller ATSAM3S BA-AU LQFP64

from Atmel Corporation with these features:

Core

AR ® Cortex®- 3 revision 2.0 running at 64 Hz

emory Protection Unit ( PU)

Thumb®-2 instruction set

Pin-to-pin compatible with AT91SA 7S legacy products (48- and 64-pin

versions)

emories

256 Kbytes embedded Flash, 128-bit wide access, memory accelerator,

single plane

48 Kbytes embedded SRA

16 Kbytes RO with embedded bootloader routines (UART, USB) and

IAP routines

emory Protection Unit ( PU)

System

Embedded voltage regulator for single supply operation

Page 3

Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog for

safe operation

Quartz or ceramic resonator oscillators: 3 to 20 Hz main power with

Failure Detection and optional low power 32.768 kHz for RTC or

device clock

High precision 8/12 Hz factory trimmed internal RC oscillator with 4

Hz default frequency for device startup. In-application trimming

access for frequency adjustment

Slow Clock Internal RC oscillator as permanent low-power mode

device clock

Two PLLs up to 130 Hz for device clock and for USB

Temperature Sensor

Up to 22 peripheral D A (PDC) channels

Low Power odes

Sleep and Backup modes, down to 3 μA in Backup mode

Ultra low power RTC

Peripherals

USB 2.0 Device: 12 bps, 2668 byte FIFO, up to 8 bidirectional

Endpoints. On-Chip Transceiver

2 USARTs with ISO7816, IrDA®, RS-485, SPI, anchester and odem

ode

Two 2-wire UARTs

2 Two Wire Interface (I2C compatible), 1 SPI, 1 Serial Synchronous

Controller (I2S), 1 High Speed ultimedia Card Interface (SDIO/SD

Card/ C)

3 Three-Channel 16-bit Timer/Counter with capture, waveform,

compare and PW mode. Quadrature Decoder Logic and 2-bit Gray

Up/Down Counter for Stepper otor

4-channel 16-bit PW with Complementary Output, Fault Input, 12-

bit Dead Time Generator Counter for otor Control

32-bit Real-time Timer and RTC with calendar and alarm features

10-channel ADC with differential input mode and programmable gain

stage

Two 12-bit DAC outputs

One Analog Comparator with flexible input selection, Selectable input

hysteresis

32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)

I/O

Page 4

47 I/O lines with external interrupt capability (edge or level

sensitivity), debouncing, glitch filtering and on-die Series Resistor

Termination

Three 32-bit Parallel Input/Output Controllers, Peripheral D A

assisted Parallel Capture ode

Page 5

BLOCK DIAGRAM:

Page 6

MEMORY MAP:

Page 7

SCHEMATIC:

6VDC

4.5VAC

Made by Olimex LTD, Bulgaria, 2013

ttps://www.olimex.com

+5V_USB

3.3V

AGND

AN_TR

10K

AVCC

AVDD

B1 B2

BDS

1x2

100n C2

100n

100nC4

100n

47uF/6.3V

470uF/16VDC

100n

C10

100n

C11

10p

C12

100n

C13

10p

C14

2.2uF

C15

47uF/6.3V

C16

33p

C17

100n

C18

100n C19

100n

C20

100n

C21

10n

C22

15p

C23

15p

C24 100n

C25

C26

2.2uF

C27

100n

C28

100n

C29

100n

C30

100n

FET1

NA(IRLML6402)

FET2

(NA)IRLML6402

DB104(SMD)

GND

GREEN

910

1112

1314

1516

1718

1920

JTAG

L1 470nH

LED1

1x2

LED2

1x2

+5V

PA0

PA1

PA2

PA3

PA4

PA5

PA6

PA7

PA8

PA9

PA10

PA11

PA12

PA13

PA14

PA15

PA23

PA25

PA26

PA27

PA28

PA29

PA30

PA31

PB0

PB1

PB2

PB3

PB4

PB5

PB12

PB13

PB14

PWR

PWR_LED

12MHz/SMD

240/1%

560

390/1%

0R R6

10K

10KR8

330

R10

560

R11

560 R12

330

R13

330

R14

47K

R15

47K

R16

47K

R17

47K R18

47K

R19 0R20

R21 0R22

10K

R23

R24

33K

R25

33K

R26 2K

R27

(NA)1.5K

R28

(NA)47K

R29

15K

R30

47K

R31 47K

R32

22K

R33

(NA)100

R34 47K

R35

R36

27R R37

33K

R38

R39

27R

R40

330K

R41

330K

R42

R43

NA(1.5K)

R44

NA(47K) R45

10K

R46

NA(100)

R47

4.7K

R48

4.7K

RESET

RS232_0/D

RS232_1

RST

RXD0/DRXD

1x3

SD/MMC

SD-CARD

CD/DAT3/CS

CLK/SCLK

CMD/DI

CP1

CP2

DAT0/DO

DAT1/RES

DAT2/RES

VDD

4VSS1

VSS2

WP1

WP2

TEST

1x2

TH1

TERMISTOR

TXD0/DTXD

1x3

C1+

C1-

C2+

C2-

R1IN 13

R1OUT

R2IN 8

R2OUT

T1IN

11 T1OUT

T2IN

10 T2OUT

V+ 2

V- 6

MAX3232

GNDVCC 1516

U1PWR

MCP130T

GND

VCC RESET 12

ATSAM3S4BA-AU

ADVREF

GND1

GND2

GND3

GND4

JTAGSEL

NRST

PA0/PWMH0/TIOA0/A17/WKUP0

PA1/PWMH1/TIOB0/A18/WKUP1

PA2/PWMH2/SCK0/DATRG/WKUP2

PA3/TWD0/NPCS3

PA4/TWCK0/TCLK0/WKUP3

PA5/RXD0/NPCS3/WKUP4

PA6/TXD0/PCK0

PA7/RTS0/PWMH3/XIN32

PA8/CTS0/ADTRG/WKUP5/XOUT32

PA9/URXD0/NPCS1/PWMFI0/WKUP6

PA10/UTXD0/NPCS2

PA11/NPCS0/PWMH0/WKUP7

PA12/MISO/PWMH1

PA13/MOSI/PWMH2

PA14/SPCK/PWMH3/WKUP8

PA15/TF/TIOA1/PWML3/WKUP14/PIODCEN1

PA16/TK/TIOB1/PWML2/WKUP15/PIODCEN2

PA17/TD/PCK1/PWMH3/AD0

PA18/RD/PCK2/A14/AD1

PA19/RK/PWML0/A15/AD2/WKUP9

PA20/RF/PWML1/A16/AD3/WKUP10

PA21/RXD1/PCK1/AD8

PA22/TXD1/NPCS3/NCS2/AD9

PA23/SCK1/PWMH0/A19/PIODCCLK

PA24/RTS1/PWMH1/A20/PIODC0

PA25/CTS1/PWMH2/A23/PIODC1

PA26/DCD1/TIOA2/MCDA2/PIODC2

PA27/DTR1/TIOB2/MCDA3/PIODC3

PA28/DSR1/TCLK1/MCCDA/PIODC4

PA29/RI1/TCLK2/MCCK/PIODC5

PA30/PWML2/NPCS2/MCDA0/WKUP11/PIODC6

PA31/NPCS1/PCK2/MCDA1/PIODC7

PB0/PWMH0/AD4

PB1/PWMH1/AD5

PB2/URXD1/NPCS2/WKUP12/AD6

PB3/UTXD1/PCK2/AD7

PB4/TWD1/PWMH2/TDI

PB5/TWCK1/PWML0/WKUP13/TDO/TRACESWO

PB6/TMS/SWDIO

PB7/TCK/SWCLK

PB8/XOUT

PB9/XIN

PB10/DDM

PB11/DDP

PB12/PWML1/ERASE

PB13/PWML2/PCK0/DAC0

PB14/NPCS1/PWMH3/DAC1

TST

VDDCORE1

VDDCORE2

VDDCORE3

VDDIN

VDDIO1

VDDIO2

VDDIO3

VDDOUT

VDDPLL

BH10S

UEXT

1 2

3 4

5 6

7 8

9 10

USB

USB_B

SHIELD

3.3V

3.3V3.3V

3.3V

3.3V3.3V 3.3V

AGND

ADJ/GND

IN OUT

VR1(3.3V)

LM1117IMPX-ADJ

VREF

VREF_P

1x2

YELLOW

AD4

AD5

DM_PUP

DP_PUP

LED1

LED2

MISO

MISO MISO

MISO

MOSI

MOSI MOSI

MOSI

NPCS0

NPCS0 NPCS0

NPCS1

R0OUT

RST

RTCK

RX0IN

RX1IN

RXD1

SPCK

SPCK SPCK

SPCK

T0IN

TCK

TDI

TDO

TMS

TRST

TWCK

TWD

TX0OUT

TX1OUT

TXD1

USB_D

BOARD LAYOUT:

Page 9

POWER SUPPLY CIRCUIT:

SAM3-P256 is typically power supplied with 6 VDC via Power jack, but it can be

also power supplied via USB with +5V.

The programmed board power consumption is about 100 mA with all peripherals

enabled.

RESET CIRCUIT:

SAM3-P256 reset circuit includes U2 ( CP130T), R22 (10k), pin 15 of JTAG

connector, ATSA 3S4BA-AU pin 39 (NRST) and RESET button.

CLOCK CIRCUIT:

Quartz crystal Q1 12.000 Hz is connected to ATSA 3S4BA-AU pin 61 (XOUT)

and pin 62 (XIN).

JUMPER DESCRIPTION:

BDS:

This jumper, when is closed, connects ATSA 3S4BA-AU pin 50 (JTAGSEL) to VCC.

The JTAGSEL pin is used to select the JTAG boundary scan when asserted at a high

level.

When this jumper is opened, normal mode is enabled.

Default state is opened.

TEST:

This jumper, when is closed, connects ATSA 3S4BA-AU pin 40 (TST) to VCC. The

TST pin is used for JTAG Boundary Scan anufacturing Test or Fast Flash

programming mode.

When this jumper is opened, normal mode is enabled.

Default state is opened.

LED1:

This jumper, when is closed, connects GREEN led to ATSA 3S4BA-AU pin 10

(PA18/RD/PCK2/A14/AD1).

When this jumper is opened GREEN led is not connected.

Default state is closed.

LED2:

This jumper, when is closed, connects YELLOW led to ATSA 3S4BA-AU pin 9

(PA17/TD/PCK1/PW H3/AD0).

When this jumper is opened YELLOW led is not connected.

Default state is closed.

Page 10

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