w83l950d Winbond Electronics Corp America, w83l950d Datasheet - Page 77
![no-image](/images/no-image-200.jpg)
w83l950d
Manufacturer Part Number
w83l950d
Description
Peripheral Personal Computer Keyboard Controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83L950D.pdf
(105 pages)
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The setting conditions and the timing are shown as following.
Standby
Read APROM
Program APROM
Erase All
Erase one page (512
bytes)
40K program verify
40K erase verify
40K Read-Disturb
MODE
GP3<3:0>
FCTRL<3:0>
GP3.6
FCEN
GP3.7
FOEN
GP1<7:0>
FA<15:8>
GP0<7 : 0>
FA<7 : 0>
GP3.4
FLATCH
(FOEN)
GP37
Nth Byte
Address
1
0
1
1
1
0
0
0
Nth Byte Address
50ns
Fig.18.1 The Programming Timing
1u
Nth Byte DATA
(FCEN)
GP36
1
0
0
0
0
0
0
0
150u
- 68 -
(FCTRL<3:0>)
GP33-GP30
0x0001
1u
0000
0001
1010
1001
0110
1111
1110
X
(N+1)st Byte
Address
(N+1)th Byte Address
(N+1)th Byte DATA
(FA<15:0>)
Address in
Address in
Address in
Address in
Address in
Address in
GP1<7:0>,
GP0<7:0>
X
X
W83L950D
GP0<7:0>
Data out
Data out
Data out
Data out
Data in
X
X
X
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