Features
■ Up to 8 Kbytes EPROM/OTP
■ 128/256 bytes of RAM
■ Readout Protection 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.
■ On-chip Power On Reset (POR) and Brown Out Detector (BOD)
■ Power Saving features Interrupts
■ 6 interrupt vectors
■ Top Level External Interrupt (INT) I/O Ports
■ 13 or 21 I/O PINs configurable in Input and Output mode
■ High current sink/source in all pins. Triac Driver output can supply 50 mA Peripherals
■ Programmable 8-bit Timer/PWMs with internal 16-bit Prescaler featuring:
■ PWM output
■ Input capture
■ Output compare
■ Pulse generator mode
■ Watchdog timer
■ 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:
■ PWM mode
■ Burst Mode
■ Phase Angle Partialization mode Development tools
■ High level Software tools
■ Emulator
■ Low cost Programmer
■ Gang Programmer ST52T400/T440/E440