MID MICROCONTROLLER

The architecture of the ST10F276E 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 ST10F276E.

Highly performance 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

512 Kbyte Flash memory (32-bit fetch)

320 Kbyte extension Flash memory (16-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)

66 Kbyte extension RAM (XRAM)

External bus

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 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

3 µs minimum conversion time

Serial channels

2 synch. / asynch. serial channels

2 high-speed synchronous channels

1 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 12 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 1.8 V core supply)