AT91SAM9261-CJ Просмотр технического описания (PDF) - Atmel Corporation

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AT91SAM9261-CJ

AT91 ARM Thumb-based Microcontrollers

Atmel Corporation 

AT91SAM9261 Preliminary

Table 3-1. Signal Description by Peripheral (Continued)

Signal Name

Function

Type

Active Level

SDRAM Controller

SDCK

SDRAM Clock

Output

SDCKE

SDRAM Clock Enable

Output

High

SDCS

SDRAM Controller Chip Select

Output

Low

BA0 - BA1

Bank Select

Output

SDWE

SDRAM Write Enable

Output

Low

RAS - CAS

Row and Column Signal

Output

Low

SDA10

SDRAM Address 10 Line

Output

Multimedia Card Interface

MCCK

Multimedia Card Clock

Output

MCCDA

Multimedia Card A Command

I/O

MCDA0 - MCDA3

Multimedia Card A Data

I/O

USART

SCK0 - SCK2

Serial Clock

I/O

TXD0 - TXD2

Transmit Data

Output

RXD0 - RXD2

Receive Data

Input

RTS0 - RTS2

Request To Send

Output

CTS0 - CTS2

Clear To Send

Input

Synchronous Serial Controller

TD0 - TD2

Transmit Data

Output

RD0 - RD2

Receive Data

Input

TK0 - TK2

Transmit Clock

I/O

RK0 - RK2

Receive Clock

I/O

TF0 - TF2

Transmit Frame Sync

I/O

RF0 - RF2

Receive Frame Sync

I/O

Timer/Counter

TCLK0 - TCLK2

External Clock Input

Input

TIOA0 - TIOA2

I/O Line A

I/O

TIOB0 - TIOB2

I/O Line B

I/O

SPI

SPI0_MISO -

SPI1_MISO

Master In Slave Out

I/O

SPI0_MOSI -

SPI1_MOSI

Master Out Slave In

I/O

SPI0_SPCK -

SPI1_SPCK

SPI Serial Clock

I/O

SPI0_NPCS0,

SPI1_NPCS0

SPI Peripheral Chip Select 0

I/O

Low

SPI0_NPCS1 -

SPI0_NPCS3

SPI1_NPCS1 -

SPI1_NPCS3

SPI Peripheral Chip Select

Output

Low

Comments

7

6062LS–ATARM–23-Mar-09

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