W541C250
Description
The W541C250 is fully patible with W741C250 in the terms of pin assignment and IC functon.
Key Features
- Operating voltage: 2.4 ~ 5.5V (LCD drive voltage: 3.0V, or 4.5V)
- Single system clock
- Power-down mode - Hold function: no operation (except for oscillator) - Stop function: no operation (including main clock)
- Five types of interrupts - Three internal interrupts (Divider 0, Timer 0, Timer 1) - Two external interrupt (Port RC and INT pin)
- MFP output pin - Output is software selectable as modulating or nonmodulating frequency - Works as frequency output specified by Timer 1
- Built-in 14-bit clock frequency divider circuit
- Two built-in 8-bit programmable countdown timers
- Built-in 18/14-bit watchdog timer selectable for system reset
- Powerful instruction set: 119 instructions
- 8-level subroutine (include interrupt) nesting