Weltrend

WT61P9

【 General Description 】

The WT61P9 is a microcontroller for flat panel display control and power management with 1) Turbo 8052 compatible CPU, 2) 64K bytes flash memory, 3) 1K+256 bytes SRAM, 4) 12 PWMs(8 8-bit PWMs and 4 10-bit LPWM), 5) DPMS detector(2 H/V inputs, Support H+V input, Programmable H/V(HOUT/VOUT) output polarity), 6) 6 timers and 4 UART Ports, 7) DDC/CI interface, 8) Master/Slave I2C interface, 9) 8 channel 10-bit A/D converter, 10) H/W IR receiver, 11) H/W CEC , 12) Real Time Clock, 13) Watch-dog timer, 14) Embedded ISP function, 15) Power down mode, 16) Embedded ICE mode.

【 Features 】
●	Embedded Turbo 8052 compatible CPU
	-Normal operation mode: 24MHz, 12MHz, 6MHz, 2MHz or 12MHz, 6MHz, 3MHz, 1MHz (Selectable Clock Sources)
	-Instruction execution time : Min. =125ns at OSC=24Mhz, MAX=500ns (“MUL” & “DIV” instruction)
●	Memory:
	-Flash memory : 64K Bytes
	-RAM: 1K+256 Bytes
●	6 similar 8052 timer : Timer0, Timer1, Timer2, Timer3, Timer4, Timer5
●	4 similar 8052 UART Ports, Support baud rate 115200 - 1200 at OSC=12/24MHz
●	2 HV sync processor
	-Support 2 H/V inputs, Support H+V input
	-H/V frequency counter for monitoring DPMS
	-H/V input polarity detector and programmable H/V(HOUT/VOUT) output polarity
●	10-bit A/D converter with 8 selectable inputs and can accepted external reference voltage (max=3.3v)
●	8 8-bit PWM pin output and 4 10-bit selectable clock LPWM pin output
●	Support 1 DDC/CI /slave I2C interface, and 1 master/slave I2C interface
●	Hardware universal IR Receiver with 8 selectable inputs
●	Embedded H/W CEC function (CEC pad supports open drain structure)
●	Watch Dog timer
●	Build-in RTC
●	Power down mode
	-Selectable CPU clock sources
	-Support “IDLE” mode and “OFF” mode
	-CPU off mode can be waked up by external interrupt
●	Power consumption :
	-Typical 24mA at 24MHz mode
	-Typical 8mA at 2MHz mode
	-Typical 3mA at “IDLE” mode, only RTC alive mode
	-Lower than 100uA at “OFF” mode
●	Maximum 53 programmable IO pins
●	Build-in ISP function (IIC bus or UART bus)
●	Embedded ICE mode with 8 break points (IIC bus or UART bus)
●	Operation voltage: 3.6V – 3.0V (3.3V +/- 10%) (Tolerable IO structure – accept 5V signal input)
●	Package
	-LQFP 64

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