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Section 13 LCD Controller/Driver
13.1
Overview
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
Features of the LCD controller/driver are given below.
•
Display capacity
Duty Cycle
Internal Driver
Static
32 seg
1/2
32 seg
1/3
32 seg
1/4
32 seg
•
LCD RAM capacity
8 bits
×
16 bytes (128 bits)
•
Word access to LCD RAM
•
All four 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
•
Removal of split-resistance can be controlled in software. Note that this capability is
implemented in the H8/38124 Group only.
Summary of Contents for H8/38024 Series
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