W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 144

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

12.4 KBC
12.4.1 Write Cycle Timing
12.4.2 Read Cycle Timing
12.4.3 Send Data to K/B
12.4.4 Receive Data from K/B
FAST RESET PULSE RC
SERIAL DATA
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
-138 -
T14
ACTIVE
D3
T10
T1
T4
T19
DATA OUT
D4
T13
D5
T11
ACTIVE
T6
T3
T7
D6
DATA IN
Publication Release Date: April 2003
D7
T9
T17
T8
T5
P
STOP
T18
W83977EF
T16
Revision 1.1