Rainbow Electronics AT91CAP9S250A - Manual (Page 7)

7
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
CompactFlash Support
CFCE1 - CFCE2 CompactFlash Chip Enable Output Low
CFOE CompactFlash Output Enable Output Low
CFWE CompactFlash Write Enable Output Low
CFIOR CompactFlash IO Read Output Low
CFIOW CompactFlash IO Write Output Low
CFRNW CompactFlash Read Not Write Output
CFCS0 - CFCS1 CompactFlash Chip Select Lines Output Low
NAND Flash Support
NANDCS NAND Flash Chip Select Output Low
NANDOE NAND Flash Output Enable Output Low
NANDWE NAND Flash Write Enable Output Low
DDR/SDRAM Controller
SDCK DDR/SDRAM Clock Output
SDCKN DDR Inverted Clock Output
DQS0 DDR Data Qualifier Strobe 0 I/O
DQS1 DDR Data Qualifier Strobe 1 I/O
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
Burst CellularRAM Controller
BCCK Burst CellularRAM Clock Output
BCCRE Burst CellularRAM Enable Output
BCADV Burst CellularRAM Burst Advance Signal Output
BCWE Burst CellularRAM Write Enable Output
BCOE Burst CellularRAM Output Enable Output
BCOWAIT Burst CellularRAM Output Wait Input
Multimedia Card Interface MCI
MCIx_CK Multimedia Card Clock Output
MCIx_CD Multimedia Card Command I/O
MCIx_D0 - D3 Multimedia Card Data I/O
Universal Synchronous Asynchronous Receiver Transmitter USART
Table 3-1. Signal Description List (Continued)
Signal Name Function Type
Active
Level Comments