* Operating voltage: 2.4V−5.5V
* Crystal or RC oscillation circuit can be selected by the code option − Crystal/Ceramic oscillator: up to 4 MHz − RC oscillator: u.

The W541E20X has two power reduction modes, hold mode and stop mode, which help to minimize power dissipation. The W541.

The W541E20X is fully compatible with W741E20X in terms of pin assignment and IC function. It is a high-performance 4-bit microcontroller (µC) that provides an flash EEPROM for the program memory. The device contains a 4-bit ALU, two 8-bit timers, a .

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