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ST7275-1 Datasheet(HTML) 1 Page - STMicroelectronics

Part No. ST7275-1
Description  8-BIT, 56-PIN MCU FOR MONITORS, WITH UP TO 60K ROM, 2K RAM, ADC, TIMER, IR, SYNC, PWM/BRM, DDC/DMA, I2C & SCI
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST7275-1 Datasheet(HTML) 1 Page - STMicroelectronics

   
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April 1998
1/3
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.
R
ST7275-1
8-BIT, 56-PIN MCU FOR MONITORS, WITH UP TO 60K ROM, 2K
RAM, ADC, TIMER, IR, SYNC, PWM/BRM, DDC/DMA, I2C & SCI
PRODUCT PREVIEW
s
User ROM/OTP/EPROM: 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
Sync Processor for Mode Recognition, power
management and composite video blanking,
clamping
and
free-running
frequency
generation.
– Corrector mode
– Analyzer mode
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
Serial
Communications
Interface
s
Infra red controller
s
Master Reset and Power on/off reset
1
s
Programmable Watchdog for system reliability
s
56-pin Shrink Dual In line Plastic package
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
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,
EPROM programmer and hardware emulator
Device Summary
Note 1: Power On/Off reset not implemented in
this revision.
Features
ST72751N9
ST72751N7
ST72751N6
ROM
(bytes)
60K
48K
32K
RAM
(bytes)
2K
1.5
1
ADC
8 channels
Timer
1
I2C Bus
one multimaster
DDC/DMA
yes
Sync
yes
PWM
9
I/O
32
SCI
yes
IR
yes
EPROM
Device
ST72E751N9D1
OTP
Device
ST72T751N9B1
PSDIP56
See Ordering Information at the end of the Document
1


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