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Introduction

This datasheet contains the description of the device features, pinout, electrical characteristics, mechanical data and ordering information.

? For complete information on the STM8S microcontroller memory, registers and peripherals, please refer to the STM8S microcontroller family reference manual (RM0016).

? For information on programming, erasing and protection of the internal Flash memory please refer to the STM8S Flash programming manual (PM0051).

? For information on the debug and SWIM (single wire interface module) refer to the STM8 SWIM communication protocol and debug module user manual (UM0470).

? For information on the STM8 core, please refer to the STM8 CPU programming manual (PM0044).

Description

The STM8S005xx value line 8-bit microcontrollers offer 32 Kbytes of Flash program memory, plus 128 bytes of data EEPROM. They are referred to as medium-density devices in the STM8S microcontroller family reference manual (RM0016). All devices of the STM8S005xx value line provide the following benefits: performance, robustness, reduced system cost, and short develoment cycles.

Device performance and robustness are ensured by true data EEPROM supporting up to 100 000 write/erase cycles, advanced core and peripherals made in a state-of-the art technology, a 16 MHz clock frequency, robust I/Os, independent watchdogs with separate clock source, and a clock security system.

The system cost is reduced thanks to high system integration level with internal clock oscillators, watchdog and brown-out reset.

Common family product architecture with compatible pinout, memory map and modular peripherals allow application scalability and reduced development cycles.

All products operate from a 2.95 to 5.5 V supply voltage.

Full documentation is offered as well as a wide choice of development tools.

Features

Core

? 16 MHz advanced STM8 core with Harvard architecture and 3-stage pipeline

? Extended instruction set

Memories

? Medium-density Flash/EEPROM:

- Program memory: 32 Kbytes of Flash memory; data retention 20 years at 55°C after 100 cycles

- Data memory: 128 bytes of true data EEPROM; endurance up to 100 k write/erase cycles

? RAM: 2 Kbytes

Clock, reset and supply management

? 2.95 V to 5.5 V operating voltage

? Flexible clock control, 4 master clock sources:

- Low power crystal resonator oscillator

- External clock input

- Internal, user-trimmable 16 MHz RC

- Internal low power 128 kHz RC

? Clock security system with clock monitor

? Power management:

- Low power modes (wait, active-halt, halt)

- Switch-off peripheral clocks individually

? Permanently active, low consumption power-on and power-down reset

Interrupt management

? Nested interrupt controller with 32 interrupts

? Up to 37 external interrupts on 6 vectors

Timers

? 2x 16-bit general purpose timers, with 2+3 CAPCOM channels (IC, OC or PWM)

? Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization

? 8-bit basic timer with 8-bit prescaler

? Auto wake-up timer

? Window and independent watchdog timers

Communications interfaces

? UART with clock output for synchronous operation, Smartcard, IrDA, LIN

? SPI interface up to 8 Mbit/s

? I2C interface up to 400 Kbit/s

Analog-to-digital converter (ADC)

? 10-bit, ±1 LSB ADC with up to 10 multiplexed channels, scan mode and analog watchdog

I/Os

? Up to 38 I/Os on a 48-pin package including 16 high sink outputs

? Highly robust I/O design, immune against current injection

Development support

? Embedded single wire interface module (SWIM) for fast on-chip programming and non intrusive debugging