Atmel AT91SAM7SE-EK, Руководство пользователя

Страница: 16 / 36

Board Description
3-6 AT91SAM7SE-EK Evaluation Board User Guide
6241B–ATARM–22-Mar-07
!
All EBI Signals of the AT91SAM7SE are routed to extension footprint connectors
(J14)
This allows the developer to check the integrity of the components and to extend the
features of the board by adding external hardware components or boards.
3.12 PIO Usage
Table 3-1. PIO Controller A
I/O Line Peripheral A Peripheral B Comments Function
PA0 PWM0 A0_NBS0 High-Drive Power LED
PA1 PWM1 A1_NBS2 High-Drive User LED 1
PA2 PWM2 A2 High-Drive User LED 2
PA3 TWD A3 High-Drive EEPROM AT24C256 (SDA)
PA4 TWCK A4 EEPROM AT24C256 (SCL)
PA5 RXD0 A5 RS232 COM PORT (RXD)
PA6 TXD0 A6 RS232 COM PORT (TXD)
PA7 RTS0 A7 RS232 COM PORT (RTS)
PA8 CTS0 A8 RS232 COM PORT (CTS)
PA9 DRXD A9 SERIAL DEBUG PORT(RXD)
PA10 DTXD A10 SERIAL DEBUG PORT(TXD)
PA11 NPCS0 A11 SPI DATAFLASH memory (Chip Select)
PA12 MISO A12 SPI DATAFLASH & Audio DAC (MISO)
PA13 MOSI A13 SPI DATAFLASH & Audio DAC (MOSI)
PA14 SPCK A14 SPI DATAFLASH & Audio DAC (SPCK)
PA15 TF A15 Audio DAC AT73C213 (LRFS)
PA16 TK A16_BA0 Audio DAC AT73C213 (BCLK)
PA17 TD A17_BA1 AD0 Audio DAC AT73C213 (SDIN)
PA18 RD NBS3_CFIOW AD1
PA19 RK NCS4_CFCS0 AD2
PA20 RF NCS2_CFCS2 AD3 ETHERNET DM9000A (Chip Select)
PA21 RXD1 NCS6_CFCE2
PA22 TXD1 NCS5_CFCE1
PA23 SCK1 NWR1_NBS1_CFIOR SDRAM DEVICE (NBS1)
PA24 RTS1 SDA10 SDRAM DEVICE (SDA10)
PA25 CTS1 SDCKE SDRAM DEVICE (SDCKE)
PA26 DCD1 NCS1_SDCS SDRAM DEVICE (Chip Select)
PA27 DTR1 SDWE SDRAM DEVICE (SDWE)
PA28 DSR1 CAS SDRAM DEVICE (CAS)