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INTRODUCTION

The ST10F269 is a derivative of the STMicroelectronics ST10 family of 16-bit single-chip CMOS microcontrollers. It 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.

ST10F269 is processed in 0.35μm CMOS technology. The MCU core and the logic is supplied with a 5V to 3.3V on chip voltage regulator. The part is supplied with a single 5V supply and I/Os work at 5V.

■ HIGH PERFORMANCE 40MHz CPU WITH DSP FUNCTION

– 16-BIT CPU WITH 4-STAGE PIPELINE

– 50ns INSTRUCTION CYCLE TIME AT 40MHz 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

– 256K BYTE ON-CHIP FLASH MEMORY SINGLE VOLTAGE WITH ERASE/PROGRAM CONTROLLER.

– 100K ERASING/PROGRAMMING CYCLES.

– UP TO 16M BYTE LINEAR ADDRESS SPACE FOR CODE AND DATA (5M BYTES WITH CAN)

– 2K BYTE ON-CHIP INTERNAL RAM (IRAM)

– 10K BYTE ON-CHIP EXTENSION RAM (XRAM)

■ FAST AND FLEXIBLE BUS

– PROGRAMMABLE EXTERNAL BUS CHARACTE RISTICS 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 25ns

■ TIMERS

– TWO MULTI-FUNCTIONAL GENERAL PURPOSE TIMER UNITS WITH 5 TIMERS

■ TWO 16-CHANNEL CAPTURE / COMPARE UNITS

■ A/D CONVERTER

– 16-CHANNEL 10-BIT

– 4.85μs CONVERSION TIME AT 40MHz CPU CLOCK

■ 4-CHANNEL PWM UNIT

■ SERIAL CHANNELS

– SYNCHRONOUS / ASYNCHRONOUS SERIAL CHANNEL

– HIGH-SPEED SYNCHRONOUS CHANNEL

■ TWO CAN 2.0B INTERFACES OPERATING ON ONE OR TWO CAN BUSSES (30 OR 2x15 MESSAGE OBJECTS)

■ FAIL-SAFE PROTECTION

– PROGRAMMABLE WATCHDOG TIMER

– OSCILLATOR WATCHDOG

■ ON-CHIP BOOTSTRAP LOADER

■ CLOCK GENERATION

– ON-CHIP PLL

– DIRECT OR PRESCALED CLOCK INPUT

■ REAL TIME CLOCK

■ UP TO 111 GENERAL PURPOSE I/O LINES

– INDIVIDUALLY PROGRAMMABLE AS INPUT, OUTPUT OR SPECIAL FUNCTION

– PROGRAMMABLE THRESHOLD (HYSTERESIS)

■ IDLE AND POWER DOWN MODES

■ SINGLE VOLTAGE SUPPLY: 5V ±10 (EMBEDDED REGULATOR FOR 3.3 V CORE SUPPLY).

■ TEMPERATURE RANGE: -40 +125°C

■ 144-PIN PQFP PACKAGE