ML51/ML54/ML56
Sep. 01, 2020
Page
626
of 719
Rev 2.00
ML
51
/ML
54
/ML
5
6 S
E
RI
E
S
TECHNI
CA
L
RE
F
E
R
E
NC
E
M
A
NU
A
L
ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
LCDCPUMP
– LCD Charge Pump Voltage Set Value
Register
SFR Address
Reset Value
LCDCPUMP
F1H, Page 3
0000_0000 b
7
6
5
4
3
2
1
0
-
-
VCP_SEL[5:0]
-
-
R/W
Address: F1H, Page 3
Reset value: 0000 0000b
Bit
Name
Description
[7:6]
-
Reserved
[5:0]
VCP_SEL[5:0]
Charge Pump Voltage Set Value
000000 = 5.4V
000101 = 5.2V
001010 = 5.0V
001110 = 4.8V
010011 = 4.6V
011000 = 4.4V
011101 = 4.2V
100010 = 4.0V
100111 = 3.8V
101100 = 3.6V
110000 = 3.4V
110101 = 3.2V
111010 = 3.0V
111111 = 2.8V
Note:
LCD pump up voltage with limitation V
LCD(max.)
= 1.8 * V
DD.
LCD pump down voltage
without this limitation.