HD6433802H Datasheet, PDF (320/435 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

13.2.3 LCD Control Register 2 (LCR2)
Bit
7
6
5
4
3
2
1
0
LCDAB —
—
—
—
—
—
—
Initial value
0
1
1
—
—
—
—
—
Read/Write
R/W
—
—
W
W
W
W
W
LCR2 is an 8-bit read/write register which controls switching between the A waveform and B
waveform.
Bit 7: A waveform/B waveform switching control (LCDAB)
Bit 7 specifies whether the A waveform or B waveform is used as the LCD drive waveform.
Bit 7
LCDAB
0
1
Description
Drive using A waveform
Drive using B waveform
(initial value)
Bits 6 and 5: Reserved bits
Bits 6 and 5 are reserved; they are always read as 1 and cannot be modified.
Bits 4 to 0: Reserved bits
Bits 4 to 0 are reserved; only 0 can be written to these bits.
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