ST7277 Datasheet, PDF (1/3 Pages) STMicroelectronics – 8-BIT USB MCU FOR MONITORS WITH UP TO 60K ROM, 2K RAM, ADC, TIMER, INFRA RED, SYNC, PWM/BRM, DDC/DMA, I2C & SCI

ST7277
8-BIT USB MCU FOR MONITORS WITH UP TO 60K ROM, 2K RAM,
ADC, TIMER, INFRA RED, SYNC, PWM/BRM, DDC/DMA, ²I C & SCI
BRIEF DATA
s User ROM: up to 60 Kbytes
s Data RAM: up to 2 Kbytes (256 bytes stack)
s 8 MHz Maximum Internal Clock Frequency in
fast mode, 4 MHz in normal mode
s Run, Wait and Halt CPU modes
s RAM Retention Mode
s Sync Processor for Mode Recognition, power
management and composite video blanking,
clamping and free-running frequency
generation.
– Corrector mode
– Analyzer mode
s USB (Universal Serial Bus) for monitor function
– Integrated 3.3V voltage regulator
– Integrated Transceiver
– Suspend and Resume operations
s Fast I²C Multi Master Interface
s DDC Bus Interface fully compliant with DDC1,
2B, 2B+, 2AB, 2Bi standards
s 32 I/O lines
– 8 Open Drain I/Os with high current capacity
(10 mA) on port A
– 5 lines programmable as interrupt inputs
s 16-bit timer with 2 input captures and 2 output
compare functions (with 1 output pin)
s 8-bit Analog to Digital Converter with 8
channels on port B
s 8 10-bit PWM/BRM Digital to Analog outputs
s One 12-bit PWM/BRM Digital to Analog output
s Asynchronous
Interface
Serial
Communications
s Infra red controller
s Master Reset and Power on/off reset¹
s Programmable Watchdog for system reliability
s 56-pin Shrink Dual In line Plastic package or 64-
pin Plastic Quad Flat Pack
s Fully static operation
s 0 to + 70 ^oC Operating Temperature Range
s 4.0V to 5.5V supply operating range
s 24 MHz Quartz Oscillator
PQFP64
PSDIP56
See Ordering Information at the end of the Document
s 63 basic instructions/17 main address modes
s 8x8 unsigned multiply instruction
s True bit manipulation
s 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
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This is preliminary information on a new product in development orundergoing evaluation. Detailsare subject to change without notice.
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