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Description

The STM8S20xxx performance line 8-bit microcontrollers offer from 32 to 128 Kbytes Flash program memory. They are referred to as high-density devices in the STM8S microcontroller family reference manual.

Features

■ Core

– Max fCPU: up to 24 MHz, 0 wait states @

fCPU ≤ 16 MHz

– Advanced STM8 core with Harvard

architecture and 3-stage pipeline

– Extended instruction set

– Max 20 MIPS @ 24 MHz

■ Memories

– Program: up to 128 Kbytes Flash; data

retention 20 years at 55 °C after 10 kcycles

– Data: up to 2 Kbytes true data EEPROM;

endurance 300 kcycles

– RAM: up to 6 Kbytes

■ Clock, reset and supply management

– 2.95 to 5.5 V operating voltage

– 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

– Wait, active-halt, & halt low power modes

– Peripheral clocks switched off 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 wakeup timer

– Window watchdog, independent watchdog

■ Communications interfaces

– High speed 1 Mbit/s active beCAN 2.0B

– UART with clock output for synchronous

operation - LIN master mode

– UART with LIN 2.1 compliant, master/slave

modes and automatic resynchronization

– SPI interface up to 10 Mbit/s

– I2C interface up to 400 Kbit/s

■ 10-bit ADC with up to 16 channels

■ I/Os

– Up to 68 I/Os on an 80-pin package

including 18 high sink outputs

– Highly robust I/O design, immune against

current injection

– Development support

– Single wire interface module (SWIM) and

debug module (DM)

■ 96-bit unique ID key for each device