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Description

The ST10F272M device is a new derivative of the STMicroelectronics ST10 family of 16-bit single-chip CMOS microcontrollers.

The ST10F272M combines high CPU performance (up to 20 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.

The ST10F272M is processed in 0.18mm CMOS technology. The MCU core and the logic is supplied with a 5V to 1.8V on-chip voltage regulator. The part is supplied with a single 5V supply and I/Os work at 5V.

The ST10F272M is an optimized version of the ST10F272E, upward compatible with the following set of differences:

● Maximum CPU frequency is 40 MHz

● Reduced range for the Standby Voltage: VStby must be in the range of 4.5 to 5.5V.

● Identification registers: the IDMEM register reflects the Flash type difference and can be used to differentiate the two devices by software

● Improved EMC behavior thanks to the introduction of an internal RC filter on the 5V for the ballast transistors

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 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)

– 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 25ns

■ 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 +/-2LSB

– 8-channel 10-bit, accuracy +/-5LSB

– 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: 5V ±10 (embedded regulator for 1.8V core supply)

■ Temperature range: -40 to +125°C