W83877TF Datasheet, PDF (113/154 Pages) Winbond – I/O chip disk drive adapter

W83877TF
GCS0IOW (Bit 2): See below.
GCS0IOR
0
0
1
1
GCS0IOW
0
1
0
1
GIOP0 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO0AD10-0)
GIOP0 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO0AD10-0) AND (NIOW = L)
GIOP0 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO0AD10-0) AND (NIOR = L)
GIOP0 functions as a Chip Select pin, and will be active when
(AEN = L) AND (SA10-0 = GIO0AD10-0) AND (NIOW = L OR
NIOR = L)
GDA0OPI (Bit 1): See below.
GDA0IPI (Bit 0): See below.
GDA0OPI GDA0IPI
0
0
GIOP0 functions as a data pin, and GIOP0→SD0, SD0→GIOP0
0
1
GIOP0 functions as a data pin, and inverse GIOP0→SD0, SD0→
GIOP0
1
0
GIOP0 functions as a data pin, and GIOP0→SD0, inverse SD0→
GIOP0
1
1
GIOP0 functions as a data pin, and inverse GIOP0→SD0, inverse SD0
→GIOP0
8.2.21 Configuration Register 15 (CR15), default = 00H
When the device is in Extended Function mode and EFIR is 15H, the CR15 register can be accessed
through EFDR. The bit definitions are as follows:
765
43
21
0
GDA0IPI
GDA0OPI
GCS0IOW
GCS0IOR
GIO0CSH
GIOP0MD0
GIOP0MD1
GIOP0MD2
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Publication Release Date: March 1998
Version 0.61