W83759A Datasheet, PDF (23/41 Pages) Winbond – ADVANCED VL-IDE DISK CONTROLLER

W83759A
CRX8Ah (PD1TIM0) Read/Write Primary Drive1 Timing Control 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PD1ACT3 PD1ACT2 PD1ACT1 PD1ACT0 PD1RCV3 PD1RCV2 PD1RCV1 PD1RCV0
Bit 7−Bit 4
Bit 3−Bit 0
PD1ACT3−0
PD1RCV3−0
PD1 Data Register Port (1F0h) Read/Write Active Time
Definition of these bits same as PD0ACT3−0
PD1 Data Register Port (1F0h) Read/Write Recovery Time
Definition of these bits same as PD0RCV3−0
CRX8Bh (PD1TIM1)
Bit 7
Bit 6
PD1AST1 PD1AST0
Read/Write Primary Drive 1 Timing Control 1
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
PD1DHT1 PD1DHT0 _{PD1PRE PD1DMA PD1RDY}
Bit 0
PD1ADV
Bit 7-Bit 6
Bit 5-Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PD1AST1−0
PD1DHT1−0
PD1PRE
PD1DMA
PD1RDY
PD1ADV
PD1 Data Register Port (1F0h) Address Setup Time
Definition of these bits same as PD0AST1-0
PD1 Data Register Port (1F0h) Data Hold Time
Definition of these bits same as PD0DHT1−0
PD1 Prefetch/Post write control
0 Prefetch/Post write enabled
1 Prefetch/Post write disabled
PD1 DMA mode control
0 DMA mode enabled
1 DMA mode disabled
PD1 Data Register Port (1F0h) IOCHRDY Control
0 OCHRDY enabled
1 IOCHRDY disabled
PD1 Data Register Port (1F0h) Advanced Timing Enable
0 Normal timing (depends on SP1, MD1, MD0
setting)
1
Advanced timing (depends on PD1TIM1−0 setting)
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Publication Release Date: May 1995
Revision A1