October 1997
1/1
This is preliminary information on a new product in development orundergoing evaluation. Detailsare subject to change without notice.
ST7250
8-BIT MCU FOR CAN WITH 32K ROM, 1K RAM, EEPROM,
ADC, WDG, PWM/BRM, 2 TIMERS, SPI AND SCI INTERFACES
BRIEF DATA
s
4.5V to 5.5V Supply Operating Range
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16 MHz Maximum Oscillator Frequency
s
8 MHz Maximum Internal Clock Frequency
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Fully Static operation
s
-40
C to + 85
C Temperature Range
s
Run, Wait, Slow, Halt and RAM Retention
modes
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User ROM/OTP: up to 32 Kbytes
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Data RAM: up to 1 Kbytes, including 256 bytes
stack
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Data EEPROM: up to 384 bytes
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64 pin PQFP package
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48 multifunctional bidirectional I/O lines:
15 Programmable Interrupt inputs
8 Analog alternate inputs
4x15mA outputs
25 Alternate functions
EMI filtering
s
Two 16-bit Timers, each featuring:
2 Input Captures
2 Output Compares
External Clock input (on Timer 1)
PWM and Pulse Generator modes
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CAN peripheral
s
8-bit Analog-to-Digital Converter
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Programmable Watchdog for system integrity
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4x10-bit PWM Pulse Width Modulation outputs
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Synchronous Serial Peripheral Interface
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Asynchronous Serial Communications Interface
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Master Reset and Power-On Reset
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8-bit Data Manipulation
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63 basic Instructions and 17 main Addressing
Modes
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8 x 8 Unsigned Multiply Instruction
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True Bit Manipulation
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Complete
Development
Support
on DOS/
WINDOWS
TM
Real-Time Emulator
s
Full Software Package on DOS/WINDOWS
TM
(C-Compiler, Cross-Assembler, Debugger)
Device Summary
Features
ST7250A6
ST7250B4
ROM bytes
32 Kbytes
20 Kbytes
RAM bytes
1 Kbytes
512 bytes
EEPROM
384 bytes
256 bytes
Timers
2
2
PWM
1
1
WDG
1 (Hardware)
1 (Hardware)
SCIP
1
1
SPI
1
1
CAN
1
1
ADC
1
1
Package
PQFP64
PQFP64
PQFP64
1
Rev. 1.2
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