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W541C261 반도체 회로 부품 판매점

4BIT MICROCONTROLLER



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W541C261 데이터시트, 핀배열, 회로
W541E/C261 DATA SHEET
4BIT MICROCONTROLLER, 2K ×16 ROM, 128 ×4 RAM 128 -DOT LCD
Table of Contents-
1. INTRODUCTION......................................................................................................................... 2
2. FEATURES ................................................................................................................................. 3
3. ARCHITECTURE ........................................................................................................................ 5
3.1 BLOCK DIAGRAM.......................................................................................................... 5
3.2 PIN CONFIGURATION................................................................................................... 6
3.3 PAD DESCRIPTION....................................................................................................... 7
4. ABSOLUTE MAXIMUM RATINGS ............................................................................................. 8
5. DC CHARACTERISTICS............................................................................................................ 9
6. AC CHARACTERISTICS .......................................................................................................... 10
7. TYPICAL APPLICATION CIRCUIT........................................................................................... 11
8. PACKAGE DIMENSION ........................................................................................................... 12
9. VERSION HISTORY ................................................................................................................. 13
www.DataSheet.in
Publication Release Date: June 12, 2007
- 1 - Revision A1


W541C261 데이터시트, 핀배열, 회로
W541E/C261 DATA SHEET
1. INTRODUCTION
The W541E261 and W541C261 are high-performance 4-bit microcontroller (μC) with an LCD driver
and the flash EEPROM and mask ROM for the program memory. 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 1 output port to
drive the LEDs). There are also five interrupt sources and 8-level subroutine nesting for interrupt
applications. The W541E261 and W541C261 have two power reduction modes, hold mode and stop
mode, which help to minimize power dissipation.
The W541E261 and W541C261 have two oscillator circuits and can work in dual-clock or single-clock
operation mode. It is suitable for remote controllers, watches and clocks, speech synthesis LSI
controllers, hand-held games and other products.
www.DataSheet.in
-2-




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W541C261 controller

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