STK55C641 Datasheet STK55C641

Manufacturer: Syntek Semiconductor

STK55C641 stk55c641 by Syntek Semiconductor - Datasheet Preview

Datasheet Details

Part number	STK55C641
Manufacturer	Syntek Semiconductor
File Size	384.21 KB
Description	STK55C641
Datasheet	STK55C641 Datasheet

General Description

: Pin name COM1-COM16 SEG1...SEG40 VLCD VR CLK256 P10-P17 P20-P27 P30-P37 P40-P45 OSC1 OSC2 XOSC1 XOSC2 SOUND /RES /TEST VDD VSS1, VSS2 www.DataSheet4U.com STK55C641 (Total 100 pads) Function description LCD common output pins LCD segment output pins LCD voltage input LCD contrast control 256 Hz clock output 8-bit I/O pins for port 1 8-bit I/O pins for port 2 8-bit I/O pins for port 3 6-bit I/O pins for port 4 Main system oscillator input pin for chip Main system oscillator output pin for resistor 32.768K Hz crystal oscill

Overview

Syntek Semiconductor Co., Ltd STK55C641 Specification 1.

Key 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 stora.

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