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Weltrend Semiconductor Integrated Circuit - IC's

WT61P8 Datasheet – Microcontroller for Flat Panel Display

Microcontroller for Flat Panel Display Control Sub-MCU

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Package LQFP 44 Pin, LQFP 48 Pin
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WT61P8-IC

WT61P8 overview

The WT61P8 is a Microcontroller for Flat Panel Display Control Sub-MCU made by Weltrend Semiconductor, supplied in these packages: LQFP 44 Pin, LQFP 48 Pin. The absolute maximum ratings table on this page lists the 3 limits from the manufacturer's datasheet that must not be exceeded. This page brings together the WT61P8 pinout and maximum ratings, with the full datasheet PDF to preview below or download.

The WT61P8 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

Datasheet

wt61p8-datasheet.pdf
Format PDFSize 994 KBLanguage ENRevision Rev. 1.01
Third-party / unverified source
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WT61P8 features

  • Embedded Turbo 8052 CPU
  • Normal operation mode: 12MHz, 6MHz, 3MHz, 1MHz or 24MHz, 12MHz, 6MHz, 2MHz (Selectable Clock Sources)
  • Instruction execution time : Min. =250ns at OSC=12Mhz
  • Memory RAM: 1K+256 Bytes Flash memory : 64K Bytes
  • RAM: 1K+256 Bytes
  • Flash memory : 64K Bytes
  • 4 similar 8052 timers: Timer0, Timer1, Timer2, Timer3
  • 2 similar 8052 UART ports, support baud rate 115200 – 1200 at OSC = 12MHz
  • Sync processor for monitoring DPMS (support 2 H/V inputs, Support H+V inputs) wake up signal.
  • 8-bit A/D converter with 8 selectable inputs, shared with IO pin
  • 8 8-bit PWM pin output (One low frequency PWM at 150Hz for dimmer control)
  • Support 2 DDC/CI interface
  • Slave mode I2C interface
  • Maximum 37 programmable IO pins
  • Hardware universal IR Receiver
  • Watch Dog timer
  • Build-in RTC
  • Build-in ISP function
  • Embedded ICE mode
  • Embedded H/W CEC function
  • Power down mode
  • Selectable CPU clock sources
  • CPU off mode can be waked up by external interrupt
  • Operating temperature: -10 to +85 degree C

WT61P8 pinout

WT61P8 pinout diagram
NameDescription
GPIOE4GPIO E4 share with Low frequency PWM output or 8052 P0.6.
GPIOE3GPIO E3 share with PWM3 output.
GPIOE2GPIO E2 share with PWM2 output.
GPIOE1GPIO E1 share with PWM1 output.
NRSTReset pin, active low (internal pull high)
GPIOE0GPIO E0 share with PWM0 output.
VDDPower 3.3V
VSSGround
OSCO12Mhz(or 24MHz) oscillator output
OSCI12Mhz(or 24MHz) oscillator input
GPIOB6GPIO B6 share with slave IIC SDA.
GPIOB5GPIO B5 share with slave IIC SC L.
GPIOB4GPIO B4 share with 8052 P0.5.
GPIOB3GPIO B3 share with 8052 P0.4.
GPIOB2GPIO B2 share with IR detector input.
GPIOB1GPIO B1 share with HDMI CEC input or external IRQ3 interrupt input.
GPIOB0GPIO B0 share with External IRQ2 interrupt input.
GPIOC7GPIO C7 share with External IRQ1 interrupt input or 8052 P1.7.
GPIOC6GPIO C6 share with External IRQ0 interrupt input or 8052 P1.6.
GPIOC5GPIO C5 share with 8052 UART0 TXD or 8052 P1.5.
GPIOC4GPIO C4 share with 8052 UART0 RXD or 8052 P1.4.
GPIOC3GPIO C3 share with ADC input3.
GPIOC2GPIO C2 share with ADC input2.
GPIOC1GPIO C1 share with ADC input1.
Show all 44 pins
NameDescription
GPIOC0GPIO C0 share with ADC input0.
DSDA11st DDC SDA1.
DSCL11st DDC SCL1.
GPIOA5GPIO A5 share with 2nd DDC SDA2.
GPIOA4GPIO A4 share with 2nd DDC SCL2.
GPIOA3GPIO A3 share with PWM7 output or 8052 P0.3.
GPIOA2GPIO A2 share with PWM6 output or 8052 P0.2.
GPIOA1GPIO A1 share with PWM5 output or 8052 P0.1.
GPIOA0GPIO A0 share with PWM4 output or 8052 P0.0.
GPIOD7GPIO D7 share with 8052 UART1 RXD.
GPIOD6GPIO D6 share with 8052 UART1 TXD.
GPIOD5GPIO D5 share with ADC input7 or 8052 P1.3.
GPIOD4GPIO D4 share with ADC input6 or 8052 P1.2.
GPIOD3GPIO D3 share with ADC input5 or 8052 P1.1.
GPIOD2GPIO D2 share with ADC input4 or 8052 P1.0.
GPIOD1GPIO D1 share with 2nd HIN input.
GPIOD0GPIO D0 share with 1st HIN input.
GPIOE7GPIO E7 share with 1st VIN input.
GPIOE6GPIO E6 share with 2nd VIN input.
GPIOE5GPIO E5 share with 8052 P0.7.

Absolute maximum ratings

ParameterValueUnit
DC Supply Voltage (VDD)Min. -0.3 / Max. 3.6V
Storage temperatureMin. -25 / Max. 125oC
Operating temperatureMin. -10 / Max. 85oC

WT61P8 applications

  • Industrial automation control
  • Home appliances
  • LED lighting drivers
  • Power management

WT61P8 datasheet PDF preview

PDF · 994 KB

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