hd64338342hw Renesas Electronics Corporation., hd64338342hw Datasheet - Page 467

• Manufacturer Part Number: hd64338342hw
• Description: Renesas 8-bit Single-chip Microcomputer H8 Family/h8/300l Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

13.1
This LSI has an on-chip segment type LCD control circuit, LCD driver, and power supply circuit,
enabling it to directly drive an LCD panel.
13.1.1
Features of the LCD controller/driver are given below.
Duty Cycle
Static
1/2
1/3
1/4
Note:
Display capacity
LCD RAM capacity
8 bits
Word access to LCD RAM
All eight segment output pins can be used individually as port pins.
Common output pins not used because of the duty cycle can be used for common double-
buffering (parallel connection).
Display possible in operating modes other than standby mode
Choice of 11 frame frequencies
Built-in power supply split-resistance, supplying LCD drive power
Use of module standby mode enables this module to be placed in standby mode independently
when not used.
A or B waveform selectable by software
* The external expansion function for LCD segments is not implemented in the H8/38347
Overview
Features
Group and H8/38447 Group.
32 bytes (256 bits)
Section 13 LCD Controller/Driver
Internal Driver
40 seg
40 seg
40 seg
40 seg
Segment External Expansion Driver*
256 seg
128 seg
64 seg
64 seg
Rev. 6.00 Aug 04, 2006 page 431 of 680
Section 13 LCD Controller/Driver
REJ09B0145-0600