W83759A Datasheet, PDF (21/41 Pages) Winbond – ADVANCED VL-IDE DISK CONTROLLER

W83759A
CRX88h (PD0TIM0)
Read/Write Primary Drive0 Timing Control 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PD0ACT3 PD0ACT2 PD0ACT1 PD0ACT0 PD0RCV3 PD0RCV2 PD0RCV1 PD0RCV0
Bit 7−Bit 4
Bit 3−Bit 0
PD0ACT3−0
PD0RCV3−0
PD0 Data Register Port (1F0h) Read/Write Active Time
Read/Write active time (clocks)
0000
17/16
0001
3/2
0010
3/2
0011
4/3
0100
5/4
0101
6/5
0110
7/6
0111
8/7
1000
9/8
1001
10/9
1010
11/10
1011
12/11
1100
13/12
1101
14/13
1110
15/14
1111
16/15
PD0 Data Register Port (1F0h) Read/Write Recovery
Time
Write/Read recovery time (clocks)
0000
16/15
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
2/1
2/1
3/2
4/3
5/4
6/5
7/6
8/7
9/8
10/9
11/10
12/11
13/12
14/13
15/14
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Publication Release Date: May 1995
Revision A1