W541C240 Datasheet, PDF (3/10 Pages) Winbond – 4-BIT MICROCONTROLLER

W541C240
• LCD driver output
− 24 segment × 4 common
− Static, 1/2 duty (1/2 bias), 1/3 duty (1/2 or 1/3 bias), 1/4 duty (1/3 bias) driving mode can be
selected
• 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
• One built-in 8-bit programmable countdown timers
− Timer 1: Offers auto-reload function and one of two internal clock frequencies (FOSC or FOSC/64)
can be selected (output through MFP pin)
• Built-in 18/14-bit watchdog timer selectable for system reset
• Powerful instruction set: 100 instructions
• 8-level subroutine (include interrupt) nesting
• Up to 4 µS instruction cycle (with 1 MHz operating frequency)
• Chip On Board available / Packaged in 64-pin QFP
Publication Release Date: May 30, 2003
-3-
Revision A1