HD66420 Datasheet, PDF (19/52 Pages) Hitachi Semiconductor – (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)

H’0
Y0 1 1 1 0 0 1
Y1 ^{0 0 0 1 1 0}
D DD DDD
B BB BBB
5 43 210
Display RAM
HD66420
H’35
100
011
DDD
BBB
054
(a) WLS= 1, ADC = 0
H’35’s bit7,6, and 3 to 0 are disable .
H’35
Y0 1 1 1 0 0 1
Y1 ^{0 0 0 1 1 0}
D DD DDD
B BB BBB
1 03 254
Display RAM
H’0
100
011
DDD
BBB
410
(b) WLS= 1, ADC = 1
H’0’s bit7 to 2 are disable.
Figure 10 Display RAM Bits Map
19