Control register A#21
Control register B#21
X'00' is set when the power is turned on or when a CLEAR command is issued for initialization.
b7 | b0 |
A#21
B#21
Contrast specification
X'00': Default (same as for X'80')
X'01': Lowest contrast
X'80': Normal
X'FF': Highest contrast
INTERFACE SPECIFICATIONS
M3099EX/EH OEM Manual |