AT91SAM7S64 datasheet(7/42 Pages) ATMEL

7 / 42 page

6175BS–ATARM–04-Nov-05

AT91SAM7S Series Summary

USB Device Port

DDM

USB Device Port Data -

Analog

not present on

AT91SAM7S32

DDP

USB Device Port Data +

Analog

not present on

AT91SAM7S32

USART

SCK0 - SCK1

Serial Clock

I/O

SCK1 not present on

AT91SAM7S32

TXD0 - TXD1

Transmit Data

I/O

TXD1 not present on

AT91SAM7S32

RXD0 - RXD1

Receive Data

Input

RXD1 not present on

AT91SAM7S32

RTS0 - RTS1

Request To Send

Output

RTS1 not present on

AT91SAM7S32

CTS0 - CTS1

Clear To Send

Input

CTS1 not present on

AT91SAM7S32

DCD1

Data Carrier Detect

Input

not present on

AT91SAM7S32

DTR1

Data Terminal Ready

Output

not present on

AT91SAM7S32

DSR1

Data Set Ready

Input

not present on

AT91SAM7S32

RI1

Ring Indicator

Input

not present on

AT91SAM7S32

Synchronous Serial Controller

Transmit Data

Output

Receive Data

Input

Transmit Clock

I/O

Receive Clock

I/O

Transmit Frame Sync

I/O

Receive Frame Sync

I/O

Timer/Counter

TCLK0 - TCLK2

External Clock Inputs

Input

TCLK1 and TCLK2 not present on

AT91SAM7S32

TIOA0 - TIOA2

I/O Line A

I/O

TIOA2 not present on

AT91SAM7S32

TIOB0 - TIOB2

I/O Line B

I/O

TIOB2 not present on

AT91SAM7S32

PWM Controller

PWM0 - PWM3

PWM Channels

Output

SPI

MISO

Master In Slave Out

I/O

MOSI

Master Out Slave In

I/O

SPCK

SPI Serial Clock

I/O

NPCS0

SPI Peripheral Chip Select 0

I/O

Low

NPCS1-NPCS3

SPI Peripheral Chip Select 1 to 3

Output

Low

Table 4-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Comments

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