ADLINK cExpress-BT2 - Manual (Page 26)

Page 26 cExpress-BT2
3.4. CD Signal Descriptions
3.4.1. PATA IDE
Signal Pin # Description I/O PU/PD Comment
IDE_D0
IDE_D1
IDE_D2
IDE_D3
IDE_D4
IDE_D5
IDE_D6
IDE_D7
IDE_D8
IDE_D9
IDE_D10
IDE_D11
IDE_D12
IDE_D13
IDE_D14
IDE_D15
D7
C10
C8
C4
D6
D2
C3
C2
C6
C7
D3
D4
D5
C9
C12
C5
Bidirectional data to / from IDE device. I/O 3.3V
IDE_A0 D13 Address lines to IDE device. O 3.3V
IDE_A1 D14 Address lines to IDE device. O 3.3V
IDE_A2 D15 Address lines to IDE device. O 3.3V
IDE_IOW# D9 I/O write line to IDE device. Data latched on trailing (rising) edge. O 3.3V
IDE_IOR# C14 I/O read line to IDE device. O 3.3V
IDE_REQ D8 IDE Device DMA Request. It is asserted by the IDE device to
request a data transfer. I 3.3V
IDE_ACK# D10 IDE Device DMA Acknowledge. O 3.3V
IDE_CS1# D16 IDE Device Chip Select for 1F0h to 1FFh range. O 3.3V
IDE_CS3# D17 IDE Device Chip Select for 3F0h to 3FFh range. O 3.3V
IDE_IORDY C13 IDE device I/O ready input. Pulled low by the IDE device to extend
the cycle. I 3.3V PU 4k7 3.3V
IDE_RESET# D18 Reset output to IDE device, active low. O 3.3V
IDE_IRQ D12 Interrupt request from IDE device. I 3.3V PD 10k
shall
IDE_CBLID# D77 Input from off-module hardware indicating the type of IDE cable
being used. High indicates a 40-pin cable used for legacy IDE
modes. Low indicates that an 80-pin cable with interleaved grounds
is used. Such a cable is required for Ultra-DMA 66, 100 and 133
modes.
I 3.3V
3.4.2. PCI
Signal Pin # Description I/O PU/PD Comment
PCI_AD0
PCI_AD1
PCI_AD2
PCI_AD3
PCI_AD4
PCI_AD5
PCI_AD6
PCI_AD7
PCI_AD8
PCI_AD9
PCI_AD10
PCI_AD11
PCI_AD12 C24
D22
C25
D23
C26
D24
C27
D25
C28
D27
C29
D28
C30 PCI bus multiplexed address and data lines I/O
3.3V