Mainstream Performance line 8-bit MCU with 128 Kbytes Flash, 24 MHz CPU, integrated EEPROM
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.
All devices of the STM8S20xxx performance line provide the following benefits: reduced system cost, performance robustness, short development cycles, and product longevity.
The system cost is reduced thanks to an integrated true data EEPROM for up to 300 k write/erase cycles and a high system integration level with internal clock oscillators, watchdog, and brown-out reset.
Device performance is ensured by 20 MIPS at 24 MHz CPU clock frequency and enhanced characteristics which include robust I/O, independent watchdogs (with a separate clock source), and a clock security system.
Short development cycles are guaranteed due to application scalability across a common family product architecture with compatible pinout, memory map and and modular peripherals. Full documentation is offered with a wide choice of development tools.
Product longevity is ensured in the STM8S family thanks to their advanced core which is made in a state-of-the art technology for applications with 2.95 V to 5.5 V operating supply.
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
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
Nested interrupt controller with 32 interrupts
Up to 37 external interrupts on 6 vectors
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
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
Up to 68 I/Os on an 80-pin package including 18 high sink outputs
Highly robust I/O design, immune against current injection
Single wire interface module (SWIM) and debug module (DM)
96-bit unique ID key for each device
Average product review
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