W541E204G Datasheet, PDF (2/14 Pages) Nuvotem Talema – Oscillation frequency up to 4 MHz , Crystal or RC oscillator is selected by mask code option

W541C20X
• Built-in 14-bit clock frequency divider circuit
• Two built-in 8-bit programmable countdown timers
− Timer 0: One of two internal clock frequencies (FOSC/4 or FOSC/1024) can be selected
− Timer 1: Offers auto-reload function, and one of two internal clock frequencies (FOSC or
FOSC/64) can be selected, or falling edge of pin RC.0 can be selected (output through MFP pin)
• Built-in 18/14-bit watchdog timer selectable for system reset
• Powerful instruction set: 118 instructions
• 8-level subroutine (include interrupt) nesting
• One serial transmission/receiver port specified by software
• Up to 1 μS instruction cycle (with 4 MHz operating frequency)
• Packaged in 18-pin, 20-pin, 28-pin PDIP and 20-pin, 28-pin SOP
Publication Release Date: November 06, 2009
-2-
Revision A6