AT91SAM9261 datasheet(7/43 Pages) ATMEL

номер детали	AT91SAM9261

подробное описание детали	AT91 ARM Thumb-based Microcontrollers

PDF	43 Pages

Scroll/Zoom	100%

производитель	ATMEL [ATMEL Corporation]

домашняя страница	http://www.atmel.com

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7 / 43 page

6062KS–ATARM–15-Jan-09

AT91SAM9261 Preliminary

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

Table 3-1.

Signal Description by Peripheral (Continued)

Signal Name

Function

Type

Active Level

Comments

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