AT91SAM7S256 ATMEL Corporation, AT91SAM7S256 Datasheet - Page 5

• Manufacturer Part Number: AT91SAM7S256
• Description: AT91 ARM THUMB-BASED MICROCONTROLLERS
• Manufacturer: ATMEL Corporation

Table 1. Signal Description List (Continued)
6117AS–ATARM–20-Oct-04
Signal Name
PA0 - PA31
DDM
DDP
SCK0 - SCK1
TXD0 - TXD1
RXD0 - RXD1
RTS0 - RTS1
CTS0 - CTS1
DCD1
DTR1
DSR1
RI1
TD
RD
TK
RK
TF
RF
TCLK0 - TCLK2
TIOA0 - TIOA2
TIOB0 - TIOB2
PWM0 - PWM3
MISO
MOSI
SPCK
NPCS0
NPCS1-NPCS3
Function
Parallel IO Controller A
USB Device Port Data -
USB Device Port Data +
Serial Clock
Transmit Data
Receive Data
Request To Send
Clear To Send
Data Carrier Detect
Data Terminal Ready
Data Set Ready
Ring Indicator
Transmit Data
Receive Data
Transmit Clock
Receive Clock
Transmit Frame Sync
Receive Frame Sync
External Clock Inputs
I/O Line A
I/O Line B
PWM Channels
Master In Slave Out
Master Out Slave In
SPI Serial Clock
SPI Peripheral Chip Select 0
SPI Peripheral Chip Select 1 to 3
Synchronous Serial Controller
AT91SAM7S256 Summary Preliminary
USB Device Port
PWM Controller
Timer/Counter
USART
PIO
SPI
Analog
Analog
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Active
Level
Low
Low
Comments
Pulled-up input at reset
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