SGS Thomson Microelectronics ST72771R5Q1, ST72771R4Q1, ST72771N9B1, ST72771N6B1, ST72771N5B1 Datasheet

ST7277

8-BIT USB MCU FOR MONITORS WITH UP TO 60K ROM, 2K RAM,

2

ADC, TIMER, INFRA RED, SYNC, PWM/BRM, DDC/DMA, I C & SCI

■User ROM: up to 60 Kbytes

■Data RAM: up to 2 Kbytes (256 bytes stack)

■8 MHz Maximum Internal Clock Frequency in fast mode, 4 MHz in normal mode

■Run, Wait and Halt CPU modes

■RAM Retention Mode

■Sync Processor for Mode Recognition, power management and composite video blanking, clamping and free-running frequency generation.

±Corrector mode

±Analyzer mode

■USB (Universal Serial Bus) for monitor function

±Integrated 3.3V voltage regulator

±Integrated Transceiver

±Suspend and Resume operations

■Fast I2C Multi Master Interface

■DDC Bus Interface fully compliant with DDC1, 2B, 2B+, 2AB, 2Bi standards

■32 I/O lines

±8 Open Drain I/Os with high current capacity

(10 mA) on port A

±5 lines programmable as interrupt inputs

■16-bit timer with 2 input captures and 2 output compare functions (with 1 output pin)

■8-bit Analog to Digital Converter with 8 channels on port B

■8 10-bit PWM/BRM Digital to Analog outputs

■One 12-bit PWM/BRM Digital to Analog output

■Asynchronous Serial Communications Interface

■Infra red controller

■Master Reset and Power on/off reset1

■Programmable Watchdog for system reliability

■56-pin Shrink Dual In line Plastic package or 64pin Plastic Quad Flat Pack

■Fully static operation

■0 to + 70 oC Operating Temperature Range

■4.0V to 5.5V supply operating range

■24 MHz Quartz Oscillator

BRIEF DATA

PQFP64

PSDIP56

See Ordering Information at the end of the Document

■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, and hardware emulator

Note 1: Power On/Off reset not implemented in this revision.

April 1998

1/3

This is preliminary information on a new product in development orundergoing evaluation. Detailsare subject to change without notice.