w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 45

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

DRV2# (Bit 7):
0
1
DSB# (Bit 6):
This bit indicates the status of DSB# output pin.
DSA# (Bit 5):
This bit indicates the status of DSA# output pin.
WD F/F(Bit 4):
This bit indicates the complement of the latched WD# output pin at every rising edge of the WD#
output pin.
RDATA F/F(Bit 3):
This bit indicates the complement of the latched RDATA# output pin .
WE F/F (Bit 2):
This bit indicates the complement of latched WE# output pin.
DSD# (Bit 1):
0
1
DSC# (Bit 0):
0
1
A second drive has been installed
A second drive has not been installed
Drive D has been selected
Drive D has not been selected
Drive C has been selected
Drive C has not been selected
7
6
5
4
3
-36 -
2
1
0
WD F/F
DSC#
DSD#
WE F/F
RDATA F/F
DSA#
DSB#
DRV2#
Publication Release Date: March 1999
W83977EF/ CTF
PRELIMINARY
Revision A1