WT61P802 PDF – Microcontroller for Flat Panel Display Control

Part Number: WT61P802

Function: Flat Panel Display Control Sub-MCU

Package: LQFP 44, LQFP 48 Pin Type

Manufacturer: Weltrend Semiconductor


WT61P802 datasheet


The WT61P802 is a microcontroller for flat panel display control and power management with

1) Turbo 8052 CPU, 2) 64K bytes flash memory, 3) 1K+256 bytes SRAM, 4) 8 8-bit PWMs, 5) DPMS detector(2 H/V inputs, Support H+V input) , 6) 4 timers and 2 UART Ports, 7) 2 DDC/CI interface, 8) Slave I2C interface, 9) 8 channel 8-bit A/D converter, 10) Real Time Clock, 11) Watch-dog timer, 12) Embedded ISP function, 13) Power down mode, 14) Embedded ICE mode. 15) H/W CEC […]

Block Diagram:

WT61P802 datasheet

A Flat Panel Display Control Sub-MCU, or simply a Display Sub-MCU, is a microcontroller unit within a flat panel display or a related electronic device that is responsible for controlling and managing various functions associated with the display. Flat panel displays include technologies such as LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and TFT (Thin-Film Transistor) displays, which are commonly used in televisions, computer monitors, smartphones, tablets, and other electronic devices.


1. 4 similar 8052 timers: Timer0, Timer1, Timer2, Timer3

2. 2 similar 8052 UART ports, support baud rate 115200 – 1200 at OSC = 12MHz

3. Sync processor for monitoring DPMS (support 2 H/V inputs, Support H+V inputs) wake up signal.

4. 8-bit A/D converter with 8 selectable inputs, shared with IO pin

5. 8 8-bit PWM pin output (One low frequency PWM at 150Hz for dimmer control)

6. Support 2 DDC/CI interface

7. Slave mode I2C interface

8. Maximum 37 programmable IO pins

9. Hardware universal IR Receiver

10. Watch Dog timer

11. Build-in RTC

12. Build-in ISP function

WT61P802 PDF Datasheet