W741L260
Description
The W741L260 is a high-performance 4-bit microcontroller (µC) with an LCD driver. The device contains a 4-bit ALU, two 8-bit timers, two dividers, a 32 × 4 LCD driver, and five 4-bit I/O ports (including one high sink current output port).
Key Features
- Operating voltage: 1.2V to 1.8V (LCD drive voltage: 3.0V, or 4.5V)
- Operating frequency up to 1 MHz
- Crystal/RC oscillation circuit selectable by code option for system clock
- 32.768 KHz crystal oscillation circuit for sub-oscillator
- Only low-frequency clock (32.768 KHz) for crystal mode
- 2048 × 16 bit program ROM (including 2K × 4 bit look-up table)
- 128 × 4 bit data RAM (including 16 working registers)
- 32 × 4 LCD data RAM
- 21 input/output pins
- Ports for input only: 2 ports/8 pins
