WT6702F Data Sheet v0.93
Copyright 2006 Weltrend Semiconductor, Inc. All Rights Reserved.
Weltrend reserves right to modify all information contained in this document without notice.
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1. General Description
The WT6702F is a microcontroller for system power manager with 1)Turbo 8051 compatible (3T) CPU, 2)
8K bytes flash memory, 3) 256 bytes SRAM, 4) 2 PWMs, 5) DPMS detector, 6) 8051 2 timers and UART,
7) Three Slave IIC interface, 8) 4 channel 8-bit A/D converter, 9) Real Time Clock, 10) watch-dog timer,
11) Embedded ISP, 12) Power down mode, 13) Embedded ICE mode.
1.1. Features
Embedded turbo 8051(3T) CPU
• Normal operation mode : 12MHz, 2MHz
• Stand by mode : 32KHz
Memory :
• RAM: 256 Bytes
• Flash memory: 8K Bytes
Turbo 8051 Timer0, Timer1, & UART
Sync processor for monitoring DPMS (VGA connector) wake up signal
8-bit A/D converter with 4 selectable inputs, shared with IO pin
2 PWM pin output
3 slave mode IIC interface
Universal IR Receiver
INT pin to main chip
Watch Dog timer
Low voltage reset
32.768KHz crystal Oscillator & build-in RC Oscillator
Build-in RTC
Maximum 18 programmable IO pins
• 18-IO: 24 pin package
• 14-IO: 20 pin package
• 11/12-IO: 16 pin package
Power consumption :
• Lower than 6mA at 12Mhz mode
• Lower than 4mA at 2Mhz mode
• Lower than 2mA at low speed mode(32KHz)
Operating voltage range : 3.6V – 2.5V
Package:
• SOP16
• SOP20/SSOP20
• SOP24
1.2. Application
• Display system power management MCU with RTC.
• I/O expander with RTC and ADC.
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