Datasheet > STK55C641

STK55C641

更新时间： 2024-09-25 09:00:07

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
19页	341K
描述
STK55C641

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STK55C641 数据手册

Syntek Semiconductor Co., Ltd

STK55C641

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 - Stopwatch timer interrupt

IRQ2 - Fix-time timer interrupt

IRQ3 - Timer interrupt

IRQ4 - External interrupt

* Code option :

- Built-in 150K OHM pull-up resistors for I/O port.

- 1/8 duty or 1/16 duty.

2. APPLICATION :

* Data bank

* Calculator

* Hand-held game

* Small instrument

* Toy

LCD Controller

1 / 1

ISSUE DATE : 3 March, 2000

12 3 4 5 6 7...19

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