ST52T400/T440/E440
廬
ST52T400/T440/E440/T441
PRELIMINARY DATASHEET
8-BIT INTELLIGENT CONTROLLER UNIT (ICU)
Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG
Memories
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Up to 8 Kbytes EPROM/OTP
128/256 bytes of RAM
Readout Protection
Core
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Register File Based Architecture
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55 instructions
Hardware multiplication and division
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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On-chip Power On Reset (POR) and Brown Out
Detector (BOD)
Power Saving features
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Interrupts
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6 interrupt vectors
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Top Level External Interrupt (INT)
I/O Ports
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13 or 21 I/O PINs configurable in Input and
Output mode
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High current sink/source in all pins. Triac Driver
output can supply 50 mA
6-channels Analog Comparator with 16-bit
Timer (not available in ST52T400)
Triac/PWM Driver Timer with zero crossing
detector and high current capability for:
鈥?PWM mode
鈥?Burst Mode
鈥?Phase Angle Partialization mode
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Peripherals
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Programmable 8-bit Timer/PWMs with internal
16-bit Prescaler featuring:
鈥?PWM output
鈥?Input capture
鈥?Output compare
鈥?Pulse generator mode
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Development tools
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High level Software tools
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Emulator
Low cost Programmer
Gang Programmer
Watchdog timer
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.