LG GSA-4167B - Manual (Page 61)

65
ATAPI Interface Pin List
Pin Name Pin No. I/O destination Function
HRSTB 59 5I ATAPI ATAPI-IF control signal (host reset signal)
DA2 92 5I ATAPI ATAPI-IF register address signal
DA1 89
DA0 91
DATA[15:0] 79,77,71, 5IO ATAPI ATAPI- IF data bus
69,67,65,
63,61,60,
62,64,66,
68,70,76,
78
DREQ 80 5TO ATAPI ATAPI-IF DMA request signal
ZIOWB 81 5I ATAPI ATAPI-IF write strobe pulse
ZIORB 82 5I ATAPI ATAPI-IF read strobe pulse
IORDY 83 5TO ATAPI ATAPI-IF control signal (drive Ready)
DACKB 84 5I ATAPI ATAPI-IF DMA acknowledge
HINTRQ 85 5TO ATAPI ATAPI-IF drive interrupt signal
IOCS16B 86 5TO ATAPI ATAPI-IF control signal (16-bit transfer)
PDIAGB 90 5IO ATAPI ATAPI-IF control signal
CS1FXB 93 5I ATAPI ATAPI-IF register chip select signal
CS3FXB 94
DASPB 95 5IO ATAPI ATAPI-IF control signal