24
Lyrion Series IDE Product Manual, Rev. B
23
GROUND
Ground
24
DIOW- /
STOP
I/O Write to write to device registers or the data port
Stop during Ultra DMA burst
25
DIOR- /
HDMARDY- /
HSTROBE
I/O Read to read device registers or the data port
Flow control during Ultra DMA data-in burst
Data-out strobe signal for Ultra DMA data-out burst
26
GROUND
Ground
27
IORDY /
DDMARDY- /
DSTROBE
I/O Channel Ready during register access
Flow control during Ultra DMA data-out burst
Data-in strobe signal for Ultra DMA data-in burst
28
GROUND
Ground
29
DMACK-
DMA Acknowledge
30
INTRQ
Interrupt Request
31
DA01
Address bus bit 1
32
PDIAG-
-
33
DA00
Address bus bit 0
34
DA02
Address bus bit 2
35
CS0-
Chip Select 0
36
CS1-
Chip Select 1
37
DASP-
Used to drive external LED when drive is accessed
38
3.3V
Voltage input
39
3.3V
Voltage input
40
Reserved
-
Table 8:
40-way ZIF (IDE interface) connector signals
Содержание ST730212DEG
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