W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 175

• Manufacturer Part Number: W83977AF
• Description: W83877TF Plus Kbc, Cir, RTC
• Manufacturer: Information Storage Devices, Inc

12.4 KBC
12.4.1
12.4.2
12.4.3
FAST RESET PULSE RC
SERIAL DATA
Write Cycle Timing
Read Cycle Timing
Send Data to K/B
CLOCK
(KCLK)
(KDAT)
OUTPUT PORT
FE COMMAND
A2,CSB
D0-D7
A2, CSB
RDB
AEN
D0~D7
GA20
WRB
START
T12
D0
D1
T2
D2
- 163 -
T14
ACTIVE
T10
D3
T1
T4
T19
DATA OUT
D4
T13
D5
T11
ACTIVE
T6
W83977F/ W83977AF
T3
T7
D6
DATA IN
Publication Release Date: March 1998
D7
T9
T17
T8
T5
P
STOP
T18
PRELIMINARY
T16
Revision 0.58