HD6473847RHV Datasheet, PDF (368/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 13 LCD Controller/Driver
2. Software Settings
A. Duty selection
Any of four duty cycles—static, 1/2 duty, 1/3 duty, or 1/4 duty—can be selected with bits
DTS1 and DTS0.
B. Segment selection
The segment drivers to be used can be selected with bits SGS3 to SGS0.
C. Frame frequency selection
The frame frequency can be selected by setting bits CKS3 to CKS0. The frame frequency
should be selected in accordance with the LCD panel specification. For the clock selection
method in watch mode, subactive mode, and subsleep mode, see section 13.4.3, Operation
in Power-Down Modes.
D. A or B waveform selection
Either the A or B waveform can be selected as the LCD waveform to be used by means of
LCDAB.
E. LCD drive power supply selection
When an external power supply circuit is used, turn the LCD drive power supply off with
the PSW bit.
Rev. 7.00 Mar. 08, 2010 Page 336 of 510
REJ09B0024-0700