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
|
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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