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ST10F272M：16-bit MCU with 256 Kbyte Flash memory and 20 Kbyte RAM

The architecture of the ST10F272M combines advantages of both RISC and CISC processors and an advanced peripheral subsystem. The block diagram gives an overview of the different on-chip components and the high bandwidth internal bus structure of the ST10F272M.

Key Features

• 16-bit CPU with DSP functions
  • 50ns instruction cycle time at 40 MHz max CPU clock
  • Multiply/accumulate unit (MAC) 16 x 16-bit multiplication, 40-bit accumulator
  • Enhanced boolean bit manipulations
  • Single-cycle context switching support
• On-chip memories
  • 256 Kbyte Flash memory (32-bit fetch)
  • Single voltage Flash memories with erase/program controller and 100 K erasing/programming cycles.
  • Up to 16 Mbyte linear address space for code and data (5 Mbytes with CAN or I2C)
  • 2 Kbyte internal RAM (IRAM)
  • 18 Kbyte extension RAM (XRAM)
  • Programmable external bus configuration & characteristics for different address ranges
  • 5 programmable chip-select signals
  • Hold-acknowledge bus arbitration support
• Interrupt
  • 8-channel peripheral event controller for single cycle interrupt driven data transfer
  • 16-priority-level interrupt system with 56 sources, sampling rate down to 25 ns
• Timers
  • 2 multi-functional general purpose timer units with 5 timers
• Two 16-channel capture/compare units
• Serial channels
  • 2 synch./asynch. serial channels
  • 2 high-speed synchronous channels
  • One I2C standard interface
• 24-channel A/D converter
  • 16-channel 10-bit, accuracy ± 2 LSB
  • 8-channel 10-bit, accuracy ± 5 LSB
  • 4.85 μs minimum conversion time
• 4-channel PWM unit + 4-channel XPWM
• 2 CAN 2.0B interfaces operating on 1 or 2 CAN busses (64 or 2x32 message, C-CAN version)
• Fail-safe protection
  • Programmable watchdog timer
  • Oscillator watchdog
• On-chip bootstrap loader
• Clock generation
  • On-chip PLL with 4 to 8 MHz oscillator
  • Direct or prescaled clock input
• Real-time clock and 32 kHz on-chip oscillator
• Up to 111 general purpose I/O lines
  • Individually programmable as input, output or special function
  • Programmable threshold (hysteresis)
• Idle, power-down and stand-by modes
• Single voltage supply: 5 V ± 10 % (embedded regulator for 1.8 V core supply)
• Temperature range: -40 to +125 °C

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