DATA BRIEF
For further information contact your local ST sales office.
Rev 1
July 2005 1/4
4
■High performance 64 MHz CPU with DSP
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
■Memory organization
– 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
code and data (5m bytes with CAN or I2C)
– 2 Kbytes on-chip internal RAM (IRAM)
– Up to 66 Kbytes on-chip extension RAM
(XRAM)
■Fast and flexible bus
– 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
■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
■A/D converter
– 24 channels with 10-bit resolution
– 3µs minimum conversion time
■4-channel PWM unit + 4-channel XPWM
■Serial channels
– Two synch. / asynch. serial channels
– Two high-speed synchronous channels
–I
2C standard interface
– Two CAN 2.0B interfaces operating on one
or two CAN busses (64 or 2x32 message
objects, C-CAN version)
■Fail-safe protection
– Programmable watchdog timer
– Oscillator watchdog
■On-chip bootstrap loader
■Clock generation
– On-chip 4-12 MHz main oscillator
–On-chip PLL
– 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)
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