DATA BRIEF

For further information contact your local ST sales office.

Rev 1

July 2005

1/4

4

functions

– 16-bit CPU with 4-stage pipeline

– 31.25ns instruction cycle time at 64 MHz

max. CPU clock

– Multiply/accumulate unit (MAC) 16 x 16-bit

multiplication, 40-bit accumulator

– Repeat unit

– Enhanced boolean bit manipulation facilities

– Additional instructions to support HLL and

operating systems

– Single-cycle context switching support

– 512 Kbytes on-chip flash memory single

voltage with erase/program controller (full

performance, 32-bit fetch)

– Up to 320 Kbytes on-chip extension flash

memory single voltage with erase/program

controller (XBUS performance, 16-bit fetch)

– 100K erasing/programming cycles.

– Up to 16 Mbytes linear address space for

– 2 Kbytes on-chip internal RAM (IRAM)

– Up to 66 Kbytes on-chip extension RAM

(XRAM)

– Programmable external bus characteristics

for different address ranges

– 8-bit or 16-bit external data bus

– Multiplexed or demultiplexed external

address/data buses

– Five programmable chip-select signals

– Hold-acknowledge bus arbitration support

– 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

– Two multi-functional general purpose timer

units with 5 timers

– 24 channels with 10-bit resolution

– 3µs minimum conversion time

– Two synch. / asynch. serial channels

– Two high-speed synchronous channels

– Two CAN 2.0B interfaces operating on one

or two CAN busses (64 or 2x32 message

objects, C-CAN version)

– Programmable watchdog timer

– Oscillator watchdog

– On-chip 4-12 MHz main oscillator

–On-chip PLL

– Direct or prescaled clock input

oscillator

– 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)

PQFP144 (28 x 28 x 3.4mm)

TQFP144 (20 x 20 x 1.4mm)

ST10F276, ST10F273

16-bit MCU with MAC unit, up to 832 Kbytes Flash memory

and up to 68 Kbytes RAM