Datasheet Summary
Ordering number : EN4797A
CMOS LSI
Single-Chip Microcontroller with PLL and LCD Driver
Overview
The LC72322 is a single-chip microcontroller for use in electronic tuning applications. It includes on chip both LCD drivers and a PLL circuit that can operate at up to 150 MHz. It Features a large-capacity ROM, a highly efficient instruction set, and powerful hardware.
Functions
- Stack: Eight levels
- Fast programmable divider
- General-purpose counters: HCTR for frequency measurement and LCTR for frequency or period measurement
- LCD driver for displays with up to 56 segments (1/2 duty, 1/2 bias)
- Program memory (ROM): 4 k words by 16 bits
- Data memory (RAM): 256 4-bit digits
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