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Introduction

The ST10F273 device is a derivative of the STMicroelectronics ST10 family of 16-bit single chip CMOS microcontrollers.

The ST10F273 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.

ST10F273 is processed in 0.18mm CMOS technology. The MCU core and the logic is supplied with a 5 V to 1.8 V on-chip voltage regulator. The part is supplied with a single 5 V supply and I/Os work at 5 V.

Features

■ High performance 16-bit CPU with DSP functions

– 31.25ns instruction cycle time at 64 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

■ Memory organization

– 512 Kbyte on-chip Flash memory single voltage with erase/program controller (full performance, 32-bit fetch)

– 100K erasing/programming cycles.

– Up to 16 Mbyte linear address space for code and data (5 Mbytes with CAN or I2C)

– 2 Kbyte on-chip internal RAM (IRAM)

– 34 Kbyte on-chip 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 15.6ns

■ Timers

– 2 multifunctional 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

– 2 synch. / asynch. serial channels

– 2 high-speed synchronous channels

– I2C standard interface

■ 2 CAN 2.0B interfaces operating on 1 or 2 CAN busses (64 or 2x32 messages, C-CAN version)

■ Fail-safe protection

– Programmable watchdog timer

– Oscillator watchdog

■ On-chip bootstrap loader

■ Clock generation

– On-chip PLL and 4 to 12 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: 5 V ±10.