Realtek Ameba RTL8195AM DEV01 Manual de usuario

Realtek Ameba RTL8195AM DEV01 User Manual

This document define pin out of Ameba RTL8195AM DEV.

Version 1.10

Document Number: UM0058

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October 6, 2016 2

Table of Contents

1System requirements............................................................................................................... 3

2Hardware block diagram......................................................................................................... 3

3Pin out reference ..................................................................................................................... 4

4Antenna hardware setup.......................................................................................................... 5

5Peripherals support.................................................................................................................. 6

5.1 Pin function table setup................................................................................................... 6

5.2 Peripheral Descriptions................................................................................................... 7

6Hardware configuration .......................................................................................................... 8

6.1 CMSIS-DAP................................................................................................................... 8

6.2 J-Link/JTAG................................................................................................................... 9

6.3 DAP mode..................................................................................................................... 11

7Reference electrical schematics ............................................................................................ 12

8Sensor board.......................................................................................................................... 14

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October 6, 2016 3

1System requirements

Windows PC (XP, Vista, 7)

USB type A to Micro-B USB cable x 1

RS-232 to UART board(debug) x 1, JTAG cable x1 (option)

2Hardware block diagram

IC: RTL8195AM

Module HDK version: HDK-AM95A03_1V0

DEV HDK version: RTL-AMEBA_DEV01_1v1

DAP update

Mode button

DAP reset

button

NFC Antenna

Wi-Fi PCB

Antenna

Wi-Fi external

ANT connector

Ameba

reset button

USB

Host

DAP+DC

+serial port

DC 5V

J22

J20

J21

J19

RTL8195AM

DAP

J-TAG

UART

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3Pin out reference

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R20

4Antenna hardware setup

I-PEX/U.FL connector: R206

External antenna: R207

PCB antenna: R208

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5Peripherals support

Debug UART: GPIOB_[0..1]

JTAG: GPIOE_[0..4]

5.1 Pin function table setup

Multiple functions are supported by group setup.

For example: GPIOA_6(Rx), GPIOA_7(Tx), GPIOA_3(RTS) and

GPIOA_5(CTS) are used if UART0 function. GPIOA_3(RTS) and

GPIOA_5(CTS) can not be used as other functions.

For example: GPIOC_0, GPIOC_1, GPIOC_2, GPIOC_2, GPIOC_3 are

used if PWM is occupied. GPIOC_1(PWM1) and GPIOC_2(PWM2) can

not be used as other functions.

NOTE1: PH = Pull-High, HI = High-impedance

NOTE2: GPIOA_1 needs external Circuit to do the pull high control; others’ pull

control can be done by register setting (including GPIOA_1’s PD).

JTAG

Debug console

I2S

PWM

SDIO

UART

I2C

SPI

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October 6, 2016 7

5.2 Peripheral Descriptions

Baud rate

UART

UART_LOG

38400 Hz

UART0

4 MHz

UART2

4 MHz

Clock rate

SPI

SPI0_Master

20.8 MHz

SPI0_Slave_TRx

4.1 MHz

SPI1_Master

41.6 MHz

SPI1_Slave_TRx

Clock rate

I2C

Standard mode

0~100 kb/s

Fast mode

<400 kb/s

High-speed mode

<3.4Mb/s

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October 6, 2016 8

6Hardware configuration

6.1CMSIS-DAP

RTL-AMEBA_DEV01 supports CMSIS-DAP debugger. It requires installing

“serial to USB driver”at first. Serial to USB driver can be found in

tools\serial_to_usb\mbedWinSerial_16466.

Connect board to the PC with micro-USB cable.

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October 6, 2016 9

6.2J-Link/JTAG

Weld JTAG and log UART connectors to HDK board and connect with pitch

2.54mm 2x5pins connector. It is recommended to weld the connector on the

bottom side. Users can connect extension boards from top side.

Dupont Line or 2.54mm 2x5 pins connector.

JTAG

UART

5V DC

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October 6, 2016 10

Power On(Disable DAP mode)

Holding TGT_NRESET button (J24, red-circled) then press Pdn button (J13, blur-

circled). Release the button after power on.

J24

J17

J13

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