LC72322R Overview
Key Specifications
Package: QFP
Operating Voltage: 5 V
Max Voltage (typical range): 5.5 V
Min Voltage (typical range): 3.5 V
Key Features
- 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): 4095 (8 KB) 16-bit digits: LC72322R 3071 (6 KB) 16-bit digits: LC72323R
- Data memory (RAM): 256 4-bit digits
- All instructions are single-word instructions
- Cycle time: 2.67 µs, 13.33 µs, or 40.00 µs (option)
- Unlock FF: 0.55 µs detection, 1.1 µs detection
- Input ports*: One dedicated key input port and one high-breakdown voltage port
