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ST72104G Datasheet(PDF) 1 Page - STMicroelectronics

Part No. ST72104G
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, I2C INTERFACES
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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Rev. 2.2
February 2000
1/135
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.
ST72104G, ST72215G,
ST72216G, ST72254G
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,
ADC, 16-BIT TIMERS, SPI, I2C INTERFACES
PRELIMINARY DATA
s
Memories
– 4K or 8K bytes Program memory (ROM and
single voltage FLASH) with read-out protec-
tion and in-situ programming (remote ISP)
– 256 bytes RAM
s
Clock, Reset and Supply Management
– Enhanced reset system
– Enhanced low voltage supply supervisor with
3 programmable levels
– Clock sources: crystal/ceramic resonator os-
cillators or RC oscillators, external clock,
backup Clock Security System
– Clock-out capability
– 3 Power Saving Modes: Halt, Wait and Slow
s
Interrupt Management
– 7 interrupt vectors plus TRAP and RESET
– 22 external interrupt lines (on 2 vectors)
s
22 I/O Ports
– 22 multifunctional bidirectional I/O lines
– 14 alternate function lines
– 8 high sink outputs
s
3 Timers
– Configurable watchdog timer
– Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input on one tim-
er, PWM and Pulse generator modes
(one only on ST72104Gx and ST72216G1)
s
2 Communications Interfaces
– SPI synchronous serial interface
– I2C multimaster interface
(only on ST72254Gx)
s
1 Analog peripheral
– 8-bit ADC with 6 input channels
(except on ST72104Gx)
s
Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
s
Development Tools
– Full hardware/software development package
Device Summary
SDIP32
SO28
Features
ST72104G1
ST72104G2
ST72216G1
ST72215G2
ST72254G1
ST72254G2
Program memory - bytes
4K
8K
4K
8K
4K
8K
RAM (stack) - bytes
256 (128)
Peripherals
Watchdog timer,
One 16-bit timer,
SPI
Watchdog timer,
One 16-bit timer,
SPI, ADC
Watchdog timer,
Two 16-bit timers,
SPI, ADC
Watchdog timer,
Two 16-bit timers,
SPI, I C, ADC
Operating Supply
3.0V to 5.5V
CPU Frequency
Up to 8 MHz (with oscillator up to 16 MHz)
Operating Temperature
-40
Β°C to +85Β°C (-40Β°C to +105/125Β°C optional)
Packages
SO28 / SDIP 32
1




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