ST52X420 Datasheet, PDF (1/84 Pages) STMicroelectronics – 8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Three Timer/PWMs, ADC, WDG

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