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Introduction

The ST10F271 device is a derivative of the STMicroelectronics ST10 family of 16-bit singlechip CMOS microcontrollers.

The ST10F271 combines high CPU performance (up to 32 million instructions per second) with high peripheral functionality and enhanced I/O-capabilities. It also provides on-chip high-speed single voltage Flash memory, on-chip high-speed RAM, and clock generation via PLL.

Features

■ 16-bit CPU with DSP functions

– 31.25ns instruction cycle time at 64MHz 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

– 128 Kbyte Flash memory (32-bit fetch)

– Single voltage Flash memories with erase/program controller and 100K 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)

– 10 Kbyte extension RAM (XRAM)

– Programmable external bus configuration & characteristics for different address ranges

– Five 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 15.6ns

■ Timers

– Two multi-functional general purpose timer units with 5 timers

■ Two 16-channel capture / compare units

■ 4-channel PWM unit + 4-channel XPWM

■ A/D converter

– 24-channel 10-bit

–3μs minimum conversion time

■ Serial channels

– Two synch. / asynch. serial channels

– Two high-speed synchronous channels

–One I2C standard interface

■ 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 32kHz 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: 5V ±10