ST52T400 Datasheet, PDF (1/94 Pages) STMicroelectronics – 8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG

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ST52T400/T440/E44_S0 _{T52T400/T440/E440/T441}
8-BIT INTELLIGENT CONTROLLER UNIT (ICU)
Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG
Memories
PRELIMINARY DATASHEET
s Up to 8 Kbytes EPROM/OTP
s 128/256 bytes of RAM
s Readout Protection
Core
s Register File Based Architecture
s 55 instructions
s Hardware multiplication and division
s Decision Processor for the implementation of
Fuzzy Logic algorithms
Clock and Power Supply
s Up to 20 MHz clock frequency.
s On-chip Power On Reset (POR) and Brown Out
Detector (BOD)
s Power Saving features
Interrupts
s 6 interrupt vectors
s Top Level External Interrupt (INT)
I/O Ports
s 13 or 21 I/O PINs configurable in Input and
Output mode
s High current sink/source in all pins. Triac Driver
output can supply 50 mA
Peripherals
s Programmable 8-bit Timer/PWMs with internal
16-bit Prescaler featuring:
– PWM output
– Input capture
– Output compare
– Pulse generator mode
s Watchdog timer
s 6-channels Analog Comparator with 16-bit
Timer (not available in ST52T400)
s Triac/PWM Driver Timer with zero crossing
detector and high current capability for:
– PWM mode
– Burst Mode
– Phase Angle Partialization mode
Development tools
s High level Software tools
s Emulator
s Low cost Programmer
s Gang Programmer
Rev. 2.9 - November 2002
1/94
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.