W742C813 Datasheet, PDF (43/56 Pages) Winbond – 4 BIT MICROCONTROLLER

W742E/C813
VDD
outside chip
VLCD1
CP
CN
inside chip
IPntuemrnal
C irpcuit
EN
STOP
LCDOFF
Code Option
Note: VR is determined by LCDCC register
S1
VLCD2
VR
R
R
R
R
R
VLCD
V1
V2
V3
V4
VSS
Figure 5-18 LCD power control circuit
3
LCDCC
Note: W means write only.
2
1
0
W
W
W
LCDCC
0000H
0001H
0010H
0011H
0100H
0101H
0110H
0111H
VLCD/VLCD2
1.00
0.96
0.93
0.89
0.86
0.81
0.76
0.71
Bit 3 is reserved.
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Publication Release Date: December 2000
Revision A1