廬
ST52T410/T420/
E420
ST52T410/T420/E420
PRELIMINARY DATASHEET
8-BIT INTELLIGENT CONTROLLER UNIT (ICU)
Three Timer/PWMs, ADC, WDG
Memories
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Up to 4 Kbytes OTP
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128 bytes of RAM
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Readout Protection
Core
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Register File Based Architecture
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55 instructions
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Hardware multiplication and division
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Decision Processor for the implementation of
Fuzzy Logic algorithms
Clock and Power Supply
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Up to 20 MHz clock frequency.
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Power Saving features
Interrupts
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Up to 5 interrupt vectors
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Top Level External Interrupt (INT)
I/O Ports
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19 I/O PINs configurable in Input and Output
mode
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High current sink/source in all pins.
Peripherals
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3 Programmable 8-bit Timer/PWMs with internal
16-bit Prescaler featuring:
鈥?PWM output
鈥?Input capture
鈥?Output compare
鈥?Pulse generator mode
Development tools
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High level Software tools
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Emulator
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Low cost Programmer
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Gang Programmer
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On-chip 8-bit Sample and Hold A/D Converter
with 8-channel analog multiplexer (ST52T420/
E420 only)
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Watchdog timer
Rev. 1.7 - January 2003
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