Cd Signal Descriptions - ADLINK Technology Express-KL2 User Manual

3.4.

CD Signal Descriptions

3.4.1. PATA IDE
Signal Pin #
IDE_D0 D7
IDE_D1 C10
IDE_D2 C8
IDE_D3 C4
IDE_D4 D6
IDE_D5 D2
IDE_D6 C3
IDE_D7 C2
IDE_D8 C6
IDE_D9 C7
IDE_D10 D3
IDE_D11 D4
IDE_D12 D5
IDE_D13 C9
IDE_D14 C12
IDE_D15 C5
IDE_A0 D13
IDE_A1 D14
IDE_A2 D15
IDE_IOW# D9
IDE_IOR# C14
IDE_REQ D8
IDE_ACK# D10
IDE_CS1# D16
IDE_CS3# D17
IDE_IORDY C13
IDE_RESET# D18
IDE_IRQ D12
IDE_CBLID# D77
22
Description
Bidirectional data to / from IDE device.
Address lines to IDE device.
Address lines to IDE device.
Address lines to IDE device.
I/O write line to IDE device. Data latched on trailing
(rising) edge.
I/O read line to IDE device.
IDE Device DMA Request. It is asserted by the IDE
device to request a data transfer.
IDE Device DMA Acknowledge.
IDE Device Chip Select for 1F0h to 1FFh range.
IDE Device Chip Select for 3F0h to 3FFh range.
IDE device I/O ready input. Pulled low by the IDE
device to extend the cycle.
Reset output to IDE device, active low.
Interrupt request from IDE device.
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/O PU/PD Comment
I/O D7 pin has PD 10K
3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
O 3.3V
I 3.3V PD 5K6
O 3.3V
O 3.3V
O 3.3V
PU 4k7
I 3.3V
3.3V
O 3.3V
I 3.3V PD 10k
I 3.3V
Pinouts and Signal Descriptions