W53320
Description
The W53300/W53320 are a high-performance 4-bit microcontroller (µC) with built-in speech, melody and 16 • 48/32 • 48 LCD driver which includes internal pump circuit.
Key Features
- Operating voltage: 2.4 volt ~ 5.5 volt
- Dual clock operating system − RC/Crystal (400 KHz to 4 MHz) for main clock − 32.768 KHz crystal oscillation circuit for sub-oscillator
- 20 input/output pins − Ports for input only: 2 ports/8 pins − Input/output ports: 2 ports/8 pins − Port for output only: 1 port /4 pins
- Power-down mode − Hold function: no operation (except for oscillator)
- One built-in 14-bit clock frequency divider circuit
