Freescale Semiconductor TWR-WIFI-G1011MI Manuale utente

Freescale Semiconductor Inc. TWRWIFIG1011MIUM

TWR-WIFI-G1011MI

User’s Manual

Rev. 1.0

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 2 of 9

Contents

1 Overview ......................................................................................................................................................3

2 Reference Documents..............................................................................................................................4

3 Hardware Features...................................................................................................................................4

3.1 GS1011MIP Module ...........................................................................................................................................................4

3.2 System Power.......................................................................................................................................................................5

3.3 Special I/O, access headers, etc.....................................................................................................................................5

3.4 Elevator Connections........................................................................................................................................................6

4 Jumper Table ..............................................................................................................................................8

Revision History

Revision

Date

Changes

1.0

Dec 2010

Initial Release

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 3 of 9

1Overview

The GainSpan Wi-Fi Tower Module (TWR-WIFI-G1011MI) is a low-cost evaluation, demonstration and

development board that features an 802.11b solution from GainSpan. The following list summarizes

the features of the TWR-WIFI-G1011MI:

GainSpan GS1011MIP Wi-Fi module

oCompliant to 802.11b and operates with standard 802.11 b/g/n access points at speeds

up to 11 Mbps

Supports Infrastructure or Adhoc mode

oUART and SPI interfaces

Up to 3 MHz in SPI Slave Mode

Up to 921.6 kbps baud rate on UART

oFull Wi-Fi stack including WPS and optional networking stack and services

o802.11i Security

WEP, WPA, WPA2-PSK, Enterprise

oEmbedded Web Server for Provisioning

oCertified RF Module: FCC/IC, ETSI, RoHS, Compliant with JAPAN regulatory

A block diagram for the TWR-WIFI-G1011MI is shown in the figure below.

SPI_HOST_WAKEUP GPIO28

DB9 Connector

(For Programming)

UART

SPI/UART LED

LED

Elevator Connector

SPI/UART

Freescale

MCU/MPU

GainSpan

GS1011MIP

Low Power

Wi-Fi Module

RS232

XCVR

3.3V

Antenna

Figure 1. TWR-WIFI-G1011MI Block Diagram

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 4 of 9

2Reference Documents

The documents listed below should be referenced for more information on the Freescale Tower

system and the TWR-WIFI-G1011MI. Refer to http://www.freesale.com/tower for the latest revision of

all Tower documentation.

TWR-WIFI-G1011MI Quick Start Guide

TWR-WIFI-G1011MI Lab Tutorial

TWR-WIFI-G1011MI Schematics

GainSpan IP to Wi-Fi Adapter Guide

GainSpan TWR Wi-Fi Driver Guide

For technical documents on the GainSpan Wi-Fi module refer to http://www.gainspan.com

3Hardware Features

This section provides more details about the features and functionality of the TWR-WIFI-G1011MI.

3.1 GS1011MIP Module

GS1011MIP module is a highly integrated ultra low power Wi-Fi module that contains the following:

GainSpan’s GS1011 Wireless SoC, which contains media access controller (MAC), baseband

processor, on-chip flash memory and SRAM, and a network processor in a single package.

Built in certified PCB trace antenna or external Antenna Options and onboard 32 KHz & 44 MHz

crystal circuitries.

oThe GS1011MIP has a capability of +8 dBm (typical) output power at the antenna

Module includes a variety of I/O interfaces:

oTwo UART with optional hardware flow control support

oTwo SPI block with Master or Slave Operation

oI2C with Master or slave operation

oTwo low-power 10-bit ADC capable of running at up to 32 Ksamples/Sec.

oGPIO’s, and LED Drivers/GPIO with 20mA capabilities, JTAG

The Module carries onboard single supply monitor for under voltage supply and onboard 1.8V

regulator with enable/disable capabilities for power critical applications. For additional details refer to

the GS1011M data sheet available from GainSpan. Below is a high level block diagram of the

GS1011MIP module. Other pin-compatible variations of the module are also available. Please refer to

the GainSpan GS1011M Module datasheet.

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 5 of 9

The TWR-WIFI-G1011MI module connects to the Freescale Tower platform using the SPI or UART

interface and uses the TCP/IP stack of the Freescale MQX system. The module firmware supports basic

AT command set and the MQX driver for the GS1011MIP communicate using these AT command sets.

By default the SPI interface is used.

3.2 System Power

The TWR-WiFi-G1011MI is powered by 3.3V from the Primary Elevator connector.

3.3 Special I/O, access headers, etc.

The firmware on the GainSpan GS1011MIP runs directly from the on-board flash on the GS1011 SoC.

To allow for updating of the program on the flash, the TWR-WIFI-G1011MI incorporates a UART serial

interface for programming purposes. This interface is brought out to a standard RS232 DB9 connector

via a RS232 transceiver. There are 3 buttons on the board which are currently reserved for future use.

The TWR-WiFi-G1011MI also has LED’s connected to the module. These LED’s are connected to GPIO

pins of the module and can be toggled using the serial AT commands to indicate activity. Table below

indicates the connection and functionality of the LEDs.

ELEVATOR Connection

GS1011MIP Connection

Description

+3.3V

VIN_3V3

Indicates Active Power to Module

GPIO30_LED1

LED indication via GPIO30 of GS1011MIP

GPIO31_LED2

LED indication via GPIO31 of GS1011MIP

+3.3V

Indicates Active Power on Tower System

For further details refer to the TWR-WIFI-G1011MI schematics.

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 6 of 9

Power Switch

Secondary Connector

GS1011M

Wi-Fi Module

Program

Switch

RS232 DB9

Connector for

Programming

Module

Primary Connector

LEDs

3.4 Elevator Connections

The TWR-WIFI-G1011MI features two expansion card-edge connectors that interface to Elevator

boards in a Tower system: the Primary and Secondary Elevator connectors. The Primary Elevator

connector, comprised of sides A and B, is utilized by the TWR-WIFI-G1011MI, while the Secondary

Elevator connector only makes connections to ground (GND). Table 1 provides the pinout for the

Primary Elevator Connector. An “X” in the “Used” column indicates that there is a connection from the

TWR-WIFI-G1011MI to that pin on the Elevator connector. An “X” in the “Jmp” column indicates that a

jumper is available that can configure or isolate the connection from the Elevator connector.

Table 1. TWR-WIFI-G1011MIPrimary Elevator Connector Pin-out

TWR-WIFI-G1011MI Primary Connector

Side B

Side A

Pin #

Name

Usage

Used

Jmp

Pin #

Name

Usage

Used

Jmp

GND

Ground

GND

Ground

3.3V

3.3V Power

3.3V

3.3V Power

ELE_PS_SENSE

3.3V

3.3V Power

GND

Ground

GND

Ground

GND

Ground

GND

Ground

SPI1_CLK / SDHC1_CLK

MSPI_CLK

SCL0

SPI1_CS1 / SDHC1_CS1

MSPI_CSx

SDA0

SPI1_CS0 / SDHC1_CS0

MSPI_CSx

GPIO9 / CTS1

EXT_RESET

B10

SPI1_MOSI / SDHC1_CMD

MSPI_DIN

A10

GPIO8 / SDHC_D2

B11

SPI1_MISO / SDHC1_D0

MSPI_DOUT

A11

GPIO7 / SD_WP_DET

Mechanical Key

B12

ETH_COL

A12

ETH_CRS

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 7 of 9

B13

ETH_RXER

A13

ETH_MDC

B14

ETH_TXCLK

A14

ETH_MDIO

B15

ETH_TXEN

A15

ETH_RXCLK

B16

ETH_TXER

A16

ETH_RXDV

B17

ETH_TXD3

A17

ETH_RXD3

B18

ETH_TXD2

A18

ETH_RXD2

B19

ETH_TXD1

A19

ETH_RXD1

B20

ETH_TXD0

A20

ETH_RXD0

ipB21

GPIO1

GPIO_RST

A21

SSI_MCLK

B22

GPIO2

GPIO29

A22

SSI_BCLK

B23

GPIO3

GPIO19

A23

SSI_FS

B24

CLKIN0

A24

SSI_RXD

B25

CLKOUT1

A25

SSI_TXD

B26

GND

Ground

A26

GND

Ground

B27

AN7

A27

AN3

B28

AN6

A28

AN2

B29

AN5

A29

AN1

B30

AN4

A30

AN0

B31

GND

Ground

A31

GND

Ground

B32

DAC1

A32

DAC0

B33

TMR3

A33

TMR1

B34

TMR2

A34

TMR0

B35

GPIO4

DC_DC_CNTL

A35

GPIO6

ALARM2

B36

3.3V

3.3V Power

A36

3.3V

3.3V Power

B37

PWM7

A37

PWM3

B38

PWM6

A38

PWM2

B39

PWM5

A39

PWM1

B40

PWM4

A40

PWM0

B41

CANRX

A41

RXD0

UART0_TX

B42

CANTX

A42

TXD0

TWR_UART0

B43

1WIRE

A43

RXD1

B44

SPI0_MISO

SSPI_DOUT

A44

TXD1

B45

SPI0_MOSI

SSPI_DIN

A45

GPIO

B46

SPI0_CS0

SSPI_CS

A46

GPIO

B47

SPI0_CS1

SSPI_CS

A47

GPIO

B48

SPI0_CLK

SSPI_CLK

A48

GPIO

B49

GND

Ground

A49

GND

Ground

B50

SCL1

I2C_CLK

A50

GPIO

B51

SDA1

I2C_DATA

A51

GPIO

B52

GPIO5

ALARM1

A52

GPIO

B53

USB_DP_PDOWN

A53

GPIO

B54

USB_DM_PDOWN

A54

USB_DM

B55

IRQ_H

A55

USB_DP

B56

IRQ_G

GPIO28

A56

USB_ID

B57

IRQ_F

A57

USB_VBUS

B58

IRQ_E

GPIO28

A58

TMR7

B59

IRQ_D

A59

TMR6

B60

IRQ_C

GPIO28

A60

TMR5

B61

IRQ_B

A61

TMR4

B62

IRQ_A

GPIO28

A62

RSTIN_b

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 8 of 9

B63

FB_ALE/FB_CS1_b

A63

RSTOUT_b

EXT_RESET

B64

FB_CS0_b

A64

CLKOUT0

B65

GND

Ground

A65

GND

Ground

B66

FB_AD15

A66

FB_AD14

B67

FB_AD16

A67

FB_AD13

B68

FB_AD17

A68

FB_AD12

B69

FB_AD18

A69

FB_AD11

B70

FB_AD19

A70

FB_AD10

B71

FB_R/W_b

A71

FB_AD9

B72

FB_OE_b

A72

FB_AD8

B73

FB_D7

A73

FB_AD7

B74

FB_D6

A74

FB_AD6

B75

FB_D5

A75

FB_AD5

B76

FB_D4

A76

FB_AD4

B77

FB_D3

A77

FB_AD3

B78

FB_D2

A78

FB_AD2

B79

FB_D1

A79

FB_AD1

B80

FB_D0

A80

FB_AD0

B81

GND

Ground

A81

GND

Ground

B82

3.3V

3.3V Power

A82

3.3V

3.3V Power

4Jumper Table

There are several jumpers provided for isolation, configuration, and feature selection. Refer to the

following table for details. The default installed jumper settings are shown in bold.

Table 2. TWR-WIFI-G1011MI Jumper Table

TWRWIFIG1011MIUM TWR-WIFI-G1011MI User’s Manual Page 9 of 9

Jumper

Option

Setting

Description

SW1

Power Supply

Input

TOWER

Power from Tower System 3.3V

DC POWER JACK

Power from DC power jack (J2)

SW2

Mode Selection

RUN

GS1011MI in standard "run" mode

PROGRAM

GS1011MI in program mode

UART Routing

Selection

1-2

Connect GS1011MI UART0 to on-board RS232/DB9

2-3

Connect GS1011MI UART0 to Tower System

Serial Interface

Selection

1-2

Enable SPI interface from Tower to GS1011MI

2-3

Enable UART interface from Tower to GS1011MI

Master SPI Port

CS Selection

1-2

Connect Tower SPI1_CS1 to master SPI CS on GS1011MI

3-4

Connect Tower SPI1_CS0 to master SPI CS on GS1011MI

Slave SPI Port CS

Selection

1-2

Connect Tower SPI0_CS0 to slave SPI CS on GS1011MI

3-4

Connect Tower SPI0_CS1 to slave SPI CS on GS1011MI

J10

Interrupt

Selection

1-2

Connect GS1011MI interrupt to Tower IRQ_G (B56)

3-4

Connect GS1011MI interrupt to Tower IRQ_E (B58)

5-6

Connect GS1011MI interrupt to Tower IRQ_C (B60)

7-8

Connect GS1011MI interrupt to Tower IRQ_A (B62)

J11

GS1011MI Reset

Selection

1-2

Connect GS1011MI Reset to Tower GPIO9 (A9)

2-3

No connection

J12

1-2

Connect GS1011MI Reset to Tower RSTOUT (A63)

2-3

Connect GS1011MI Reset to Tower GPIO1 (B21)

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