AT91SAM9G20 Просмотр технического описания (PDF) - Atmel Corporation

Номер в каталоге

Компоненты Описание

производитель

AT91SAM9G20

AT91 ARM Thumb Microcontrollers

Atmel Corporation 

Table 3-1. Signal Description List (Continued)

Signal Name

TCLKx

TIOAx

TIOBx

SPIx_MISO

SPIx_MOSI

SPIx_SPCK

SPIx_NPCS0

SPIx_NPCS1-SPIx_NPCS3

TWD

TWCK

HDPA

HDMA

HDPB

HDMB

DDM

DDP

ETXCK

ERXCK

ETXEN

ETX0-ETX3

ETXER

ERXDV

ERX0-ERX3

ERXER

ECRS

ECOL

EMDC

EMDIO

Function

Type

Timer/Counter - TCx

TC Channel x External Clock Input

Input

TC Channel x I/O Line A

I/O

TC Channel x I/O Line B

I/O

Serial Peripheral Interface - SPIx_

Master In Slave Out

I/O

Master Out Slave In

I/O

SPI Serial Clock

I/O

SPI Peripheral Chip Select 0

I/O

SPI Peripheral Chip Select

Output

Two-Wire Interface

Two-wire Serial Data

I/O

Two-wire Serial Clock

I/O

USB Host Port

USB Host Port A Data +

Analog

USB Host Port A Data -

Analog

USB Host Port B Data +

Analog

USB Host Port B Data -

Analog

USB Device Port

USB Device Port Data -

Analog

USB Device Port Data +

Analog

Ethernet 10/100

Transmit Clock or Reference Clock

Input

Receive Clock

Input

Transmit Enable

Output

Transmit Data

Output

Transmit Coding Error

Output

Receive Data Valid

Input

Receive Data

Input

Receive Error

Input

Carrier Sense and Data Valid

Input

Collision Detect

Input

Management Data Clock

Output

Management Data Input/Output

I/O

Active

Level

Comments

Low

Low

MII only, REFCK in RMII

MII only

ETX0-ETX1 only in RMII

MII only

RXDV in MII, CRSDV in RMII

ERX0-ERX1 only in RMII

MII only

MII only

8 AT91SAM9G20 Summary

6384CS–ATARM–11-Mar-09

Share Link: