INTRODUCTION
The ST72753 is a HCMOS microcontroller unit (MCU) from the ST7 family with dedicated peripherals for Monitor applications.

■ User ROM/OTP: up to 32 Kbytes
■ Data RAM: up to 1 Kbytes (256 bytes stack)
■ 8 MHz Maximum Internal Clock Frequency in fast mode, 4 MHz in normal mode
■ Run, Wait and Halt CPU modes
■ Sync Processor for Mode Recognition, power management and composite video blanking, clamping and free-running frequency generation.
    – Corrector mode
    – Analyzer mode
■ Fast I2C Multi Master Interface
■ DDC Bus Interface fully compliant with DDC1, 2B, 2B+, 2AB, 2Bi standards
■ 18 I/O lines
    – 1 high current I/O (10 mA)
    – Up to 4 high voltage outputs (9V)
■ 16-bit timer with 2 input captures and 2 output compare functions (with 1 output pin)
■ 8-bit Analog to Digital Converter with 4 channels on port B
■ 8 10-bit PWM/BRM Digital to Analog outputs
■ One 12-bit PWM/BRM Digital to Analog output
■ Master Reset and Power on/off reset1
■ Programmable Watchdog for system reliability
■ 34-pin Shrink Dual In line Plastic package
■ Fully static operation
■ 0 to + 70 oC Operating Temperature Range
■ 4.0V to 5.5V supply operating range
■ 24 MHz Quartz Oscillator
■ 63 basic instructions/17 main address modes
■ 8x8 unsigned multiply instruction
■ True bit manipulation
■ Versatile Development Tools (DOS and Windows) including assembler, linker, Ccompiler, archiver, source level debugger, programmer, and hardware emulator