Datasheet

6
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
PIO
PA0 - PA31 Parallel IO Controller A I/O Pulled-up input at reset
PB0 - PB31 Parallel IO Controller B I/O Pulled-up input at reset
PC0 - PC23 Parallel IO Controller C I/O Pulled-up input at reset
USB Device Port
DDM USB Device Port Data - Analog
DDP USB Device Port Data + Analog
USART
SCK0 - SCK1 Serial Clock I/O
TXD0 - TXD1 Transmit Data I/O
RXD0 - RXD1 Receive Data Input
RTS0 - RTS1 Request To Send Output
CTS0 - CTS1 Clear To Send Input
DCD1 Data Carrier Detect Input
DTR1 Data Terminal Ready Output
DSR1 Data Set Ready Input
RI1 Ring Indicator Input
Synchronous Serial Controller
TD Transmit Data Output
RD Receive Data Input
TK Transmit Clock I/O
RK Receive Clock I/O
TF Transmit Frame Sync I/O
RF Receive Frame Sync I/O
Timer/Counter
TCLK0 - TCLK2 External Clock Inputs Input
TIOA0 - TIOA2 Timer Counter I/O Line A I/O
TIOB0 - TIOB2 Timer Counter I/O Line B I/O
PWM Controller
PWM0 - PWM3 PWM Channels Output
Serial Peripheral Interface
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 3-1. Signal Description List (Continued)
Signal Name Function Type
Active
Level Comments