[Myson]

GENERAL DESCRIPTION

The MTV012E micro-controller is an 8051 CPU core-embedded device specially tailored to CRT monitor applications. It includes an 8051 CPU core, 256-byte SRAM, 14 built-in PWM DACs, DDC1/DDC2B interface, 24Cxx series EEPROM interface and an 8K-byte internal program EPROM.

FEATURES

8051 core.

256 bytes internal RAM.

8K bytes program EPROM.

14 channels 12V open drain PWM DAC, 10 dedicated channels and 4 channels shared with I/O pin.

20 bi-direction I/O pin, 12 dedicated pin, 4 shared with DAC, 4 shared with DDC/IIC interface.

3 output pin shared with H/V sync output and self test output pins.

SYNC processor for composite separation, polarity and frequency check, and polarity adjust.

Built-in monitor self test pattern generator.

Built-in Low Power Reset circuit.

IIC interface for DDC1/DDC2B and EEPROM, only one EEPROM needed to store DDC1/DDC2B and display mode information.

Watch dog timer with programmable interval.

40 pin PDIP package.