LC72321N Overview
Key Specifications
Package: QFP
Operating Voltage: 5 V
Max Voltage (typical range): 5.5 V
Min Voltage (typical range): 4.5 V
Key Features
- Serial I/O (LC72321N only)
- Timers: 80 µs, 1 ms, 2 ms, and 5 ms periods
- Stack levels: 8 levels
- Beep tone outputs: Six frequencies (2.08, 2.25, 2.5, 3.0, 3.75, and 4.17 kHz) (LC72321N only)
- High-speed programmable divider
- General-Purpose counters HCTR: Frequency measurement LCTR: Frequency or period measurement
- LCD drive circuit: Drives 56 segments with 1/2-duty 1/2-bias drive
- Program memory (ROM): 16 bits × 4095 words (8K bytes) LC72321N and LC72322N 16 bits × 3071 words (6K bytes) LC72323N
- Data memory (RAM): 4 bits × 256 words
- All instructions are single-word instructions
