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ST72774/ST72754/ST72734

8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM,

ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I

2

C

s

s

s

s

s

s

s

s

s

s

s

User ROM/OTP/EPROM: up to 60 Kbytes

Data RAM: up to 1 Kbytes (256 bytes stack)

8 MHz Internal Clock Frequency in fast mode,

4 MHz in normal mode

Run and Wait CPU modes

System protection against illegal address jumps

and illegal opcode execution

Sync Processor for Mode Recognition, power

management and composite video blanking,

clamping and free-running frequency

generation

鈥?Corrector mode

鈥?Analyzer mode

USB (Universal Serial Bus) for monitor function

1

鈥?Three endpoints

鈥?Integrated 3.3V voltage regulator

鈥?Transceiver

鈥?Suspend and Resume operations

Timing

Measurement

Unit

(TMU)

for

autoposition and autosize

1

Fast I

2

C Single Master Interface

DDC Bus Interface with:

鈥?DDC1/2B protocol implemented in hardware

鈥?Programmable DDC CI modes

鈥?Enhanced DDC (EDDC) address decoding

31 I/O lines

PSDIP42

s

s

TQFP44

10 x 10

s

s

s

s

s

s

s

s

s

s

2 lines programmable as interrupt inputs

16-bit timer with 2 input captures and 2 output

compare functions

8-bit Analog to Digital Converter with 4 channels

on port B

8 10-bit PWM/BRM Digital to Analog outputs

Master Reset and Low Voltage Detector (LVD)

reset

Programmable Watchdog for system reliability

Fully static operation

63 basic instructions / 17 main addressing

modes

8x8 unsigned multiply instruction

True bit manipulation

Complete development support on PC/DOS-

Windows: Real-Time Emulator, EPROM

Programming Board and Gang Programmer

Full software package (assembler, linker, C-

compiler, source level debugger)

Device Summary

Features

Program Memory -

Bytes

RAM (stack) - Bytes

ST72(T/E)774(J/S)9 ST72(T)754(J/S)9 ST72774(J/S)7 ST72754(J/S)7 ST72(T/E)734J6

60K

USB

Peripherals

1K (256)

No USB

USB

48K

No USB

32K

512 (256)

No USB

ADC

4

, I

2

C,LVD,

DDC,Sync,

16-bit timer,

PWM, Watchdog

ADC

3

, 16-bit timer, I

2

C, DDC, TMU,Sync, PWM, LVD, Watchdog

4.0V to 5.5V supply operating range

12 or 24 MHz

0 to +70擄C

CSDIP42 or PSDIP42 or TQFP44

Operating Supply

Oscillator Frequency

Operating Temperature

Package

PSDIP42

CSDIP42

(1) On some devices only, refer to Device Summary; (2) Contact Sales office for availability

(3) 8-bit 鹵2 LSB A/D converter ; (4) 8-bit 鹵4 LSB A/D converter.

October 2003

1/144

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