W53320 Overview
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. The 4-bit uc core contains dual clock source, 4-bit ALU, two 8-bit timers, one divider, 20 pin input or output, 7 interrupt sources and 8-level subroutine nesting for interrupt applications. Speech unit can be implemented with Winbond 16-sec Power Speech...
W53320 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
- Memory
- Program ROM: 16K× 20
- Data RAM: 512 × 4 bit (W53320), 704 × 4 bit(W53300)
- LCD RAM: 384 × 4 bit (W53320), 192× 4 bit (W53300)
- 20 input/output pins
- Ports for input only: 2 ports/8 pins