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Weltrend |
偉詮電子股份有限公司
Weltrend Semiconductor, Inc.
WT6703F
Product Description
Rev. 0.83
June 23, 2008
Copyright Notice
This data sheet is copyrighted by Weltrend Semiconductor, Inc. Do not reproduce, transform to any other format,
or send/transmit any part of this documentation without the express written permission of Weltrend Semiconductor,
Inc.
Disclaimers
Right to make change –
This document provides technical information for user. Weltrend Semiconductor, Inc. reserves the right to make
change without further notice to any products herein.
新竹縣科學工業園區工業東九路24號2樓
2F, No. 24, Industry E. 9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan
TEL: 886-3-5780241
http://www.weltrend.com.tw
WT6703F Product Description v083
1. General Description
The WT6703F is a low power consumption and low cost microcontroller for system power manager with
1)Turbo 8051 compatible (3T) CPU, 2) 8051 2 timers and UART, 3) 8K bytes flash memory, 4) 384 bytes
SRAM, 5) 2 8-bit PWMs, 6) DPMS detector, 7) Two Slave I2C interface, 8) 4 channel 8-bit A/D converter,
9) Hardware CEC, 10) Real Time Clock, 11) watch-dog timer, 12) Power down mode, 13) Embedded
ISP, 14) Embedded ICE mode.
1.1. Features
Embedded turbo 8051 CPU
• Normal operation mode : 12MHz, 6MHz, 2MHz, 1MHz
• Stand by mode : 32KHz
• Instruction execution time : Min. =250ns at 12Mhz
Memory :
• Flash memory: 8K Bytes
• RAM: 384 Bytes (include 128bytes H/W DDC SRAM)
2 8051 timers: Timer0, Timer1
1 8051 UART, support baud rate 115200 – 1200 at RC oscillator =12MHz.
Sync processor for monitoring DPMS (VGA connector) wake up signal
8-bit A/D converter with 4 selectable inputs, shared with IO pin
Tri-state I/O structure, Input state can decided by external resister (pull high or pull low)
2 PWM pin output
1 DDC/CI interface
1 slave mode IIC interface
Universal IR Receiver
Watch Dog timer
Low voltage reset
32.768KHz crystal Oscillator & build-in RC Oscillator
Build-in RTC
Maximum 22 programmable IO pins
• 22-IO: 28 pin package
• 18-IO: 24 pin package
• 14-IO: 20 pin package
• 11-IO: 16 pin package
Power consumption :
• Typical 8mA at 12Mhz mode
• Typical 4mA at 2Mhz mode
• Typical 2mA at low speed mode(32KHz)
Operating voltage range : 3.6V – 3.0V
Package:
• SOP16
• SSOP20
• SOP24/SSOP24
• SSOP28
1.2. Application
• Display system power management MCU with RTC.
• I/O expander with RTC and ADC.
Copyright© 2008 Weltrend Semiconductor, Inc. All Rights Reserved.
Weltrend reserves right to modify all information contained in this document without notice.
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