Abov MC96F6332D, User Manual

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MC96F6432
June 22, 2018 Ver. 2.9 281
LCDCCR (LCD Driver Contrast Control Low Register) : 9BH
7 6 5 4 3 2 1 0
LCTEN
– – –
VLCD3 VLCD VLCD1 VLCD0
R/W
– – –
R/W R/W R/W R/W
Initial value : 00H
LCTEN Control LCD Driver Contrast
0 LCD Driver Contrast disable
1 LCD Driver Contrast enable
VLCD[3:0]
VLC0 Voltage Control when the contrast is enabled
VLCD3 VLCD 2 VLCD 1 VLCD 0 Description
0 0 0 0 VLC0 = VDD x 16/31 step
0 0 0 1 VLC0 = VDD x 16/30 step
0 0 1 0 VLC0 = VDD x 16/29 step
0 0 1 1 VLC0 = VDD x 16/28 step
0 1 0 0 VLC0 = VDD x 16/27 step
0 1 0 1 VLC0 = VDD x 16/26 step
0 1 1 0 VLC0 = VDD x 16/25 step
0 1 1 1 VLC0 = VDD x 16/24 step
1 0 0 0 VLC0 = VDD x 16/23 step
1 0 0 1 VLC0 = VDD x 16/22 step
1 0 1 0 VLC0 = VDD x 16/21 step
1 0 1 1 VLC0 = VDD x 16/20 step
1 1 0 0 VLC0 = VDD x 16/19 step
1 1 0 1 VLC0 = VDD x 16/18 step
1 1 1 0 VLC0 = VDD x 16/17 step
1 1 1 1 VLC0 = VDD x 16/16 step
NOTES) The LCD contrast step is based on 1/4 bias.
1/4 bias : VDD x (16/31
– VLC[3:0])
1/3 bias : VDD x (12/27
– VLC[3:0])
1/2 bias : VDD x (8/23
– VLC[3:0])