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STK55C641

Part Number	STK55C641
Manufacturer	Syntek Semiconductor
Description	STK55C641
Published	Jan 28, 2010
Detailed Description	Syntek Semiconductor Co., Ltd STK55C641 Specification 1. FEATURES : * Operating voltage : 2.5V - 6V. * Maximum CPU opera...
Datasheet	STK55C641 PDF File

Overview

Syntek Semiconductor Co.
, Ltd STK55C641 Specification 1.
FEATURES : * Operating voltage : 2.
5V - 6V.
* Maximum CPU operating frequency : 4MHz at 5V and 1.
5MHz at 2.
5V * Dual oscillators : - 32.
768 KHz crystal oscillator for LCD display and watch timer.
- RC oscillator for system clock.
* 40 segments and 16 commons output for LCD driver.
- 1/5 bias, 1/16 duty and 64Hz frame frequency.
- 1/4 bias, 1/8 duty and 128Hz frame frequency.
* I/O port.
- 30 I/O pins.
- Port 1 with selectable interrupt.
* Built in 2K bytes RAM (including LCD storage area).
* Built in 8K bytes ROM for program.
* One 8-bit timer with 8 predefined input clock.
* Five interrupt sources : NMI - 64 Hz interrupt IRQ1 - Stopwa...

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STK55C641 STK55C641 - Syntek Semiconductor

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