Lcd Control Register 2 (Lcr2) - Renesas H8 Series Hardware Manual

13.2.3

LCD Control Register 2 (LCR2)

Bit 7
LCDAB
Initial value 0
Read/Write R/W
Note: * Applies to the H8/38124 Group only. On the H8/38024, H8/38024S, and H8/38024F-ZTAT
Group, these bits are reserved like bit 4.
LCR2 is an 8-bit read/write register which controls switching between the A waveform and B
waveform and removal of split-resistance. Note that removal of split-resistance control is only
implemented on the H8/38124 Group.
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 Description
0 Drive using A waveform
1 Drive using B waveform
Bits 6 and 5—Reserved
Bits 6 and 5 are reserved; they are always read as 1 and cannot be modified.
Bit 4—Reserved
Bit 4 is reserved; this can only be written with 0.
6 5 4
— — —
1 1 —
— — R/W
Section 13 LCD Controller/Driver
3 2
CDS3 * CDS2 *
0 0
R/W R/W
Rev. 7.00 Mar 10, 2005 page 423 of 652
1 0
CDS1 * CDS0 *
0 0
R/W R/W
(initial value)
REJ09B0042-0700