MID MICROCONTROLLER

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.

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