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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 on PQFP144 devices (or 5V to 2.7V on TQFP144 devices). The part is supplied with a single 5V supply and I/Os work at 5V.

■ HIGH PERFORMANCE 32 OR 40 MHZ CPU WITH DSP FUNCTION

– 16-bit CPU With 4-stage Pipeline

– 50ns (or 62.5ns) Instruction Cycle Time at 40MHz (or 32MHz) 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

– 128K or 256K Byte On-chip Flash Memory Single Voltage With Erase/program Controller

– Up to 1K Erasing/programming Cycles

– Up to 16 MByte Linear Address Space For Code And Data (5 MBytes With CAN)

– 2K Byte On-chip Internal RAM (IRAM)

– 10K Byte 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 25ns at 40MHz (31.25ns at 32MHz)

■ 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 (6.06μs at 32MHz)

■ 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 Spe cial Function

– Programmable Threshold (Hysteresis)

■ IDLE AND POWER DOWN MODES

■ SINGLE VOLTAGE SUPPLY: 5V ±10 (EMBEDDED REGULATOR FOR 2.7 or 3.3 V CORE SUPPLY).

■ TEMPERATURE RANGES: -40 +125°C / -40 to 85°C

■ 144-PIN PQFP/TQFP PACKAGES