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GENERAL DESCRIPTION

INTRODUCTION

The ST72752 is a HCMOS microcontroller unit (MCU) from the ST7 family with dedicated peripherals for Monitor applications.

■ User ROM/OTP/EPROM: 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

■ 23 I/O lines

– 1 high current I/O (10 mA)

– Up to 5 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

■ 42-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, C-compiler, archiver, source level debugger, programmer, and hardware emulator