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Ordering number : EN4797A
CMOS LSI
LC72322
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 • All instructions are single-word instructions • Cycle time: 2.67 µs, 13.33 µs, or 40.
LC72322 Datasheet
