STMicroelectronics STM8AF6223PAAU

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8A
Packaging Tube | NULL
Core Processor STM8A
Core Size 8-Bit
Speed 16MHz
Connectivity I2C, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 16
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
EEPROM Size 640 x 8
RAM Size 1K x 8
Voltage - Supply (Vcc/Vdd) 3V ~ 5.5V
Data Converters A/D 7x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade Automotive
Qualification AEC AEC-Q100
Mounting Type Surface Mount
Supplier Device Package 20-TSSOP
Package / Case 20-TSSOP (0.173", 4.40mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8AF6223PAAU from STMicroelectronics is an 8-bit automotive-grade microcontroller featuring a robust STM8A core at 16MHz. It provides 8KB flash and 1KB RAM in a compact 20-TSSOP package. With integrated brown-out reset, power-on reset, PWM, and watchdog timer, it ensures dependable operation across 3V to 5.5V supplies and -40°C to 85°C temperatures, making it ideal for safety-critical embedded control.

  • Automotive-grade reliability: AEC-Q100 qualified with brown-out detect and POR for harsh environments.
  • Compact 20-TSSOP: Saves PCB space while offering 20 I/O pins for peripheral integration.
  • Wide voltage range (3V-5.5V): Directly interfaces with standard automotive and industrial power supplies.
  • Integrated WDT: Enhances system safety by preventing software lockups in real-time control.

Automotive Body Control Modules

The 3V-5.5V supply and 16MHz STM8A core handle window lift and light control logic with robust WDT for fail-safe operation.

Industrial Sensor Interfaces

With 8KB flash and 1KB RAM, it processes analog sensor data via PWM outputs, ideal for temperature or pressure transmitters.

Power Management Units

Brown-out detect and POR ensure clean startup/shutdown sequencing in 24V industrial power supplies.

HVAC Actuator Controllers

The 20-TSSOP package fits compact damper actuators, while 16MHz speed supports real-time position feedback loops.

Portable Medical Monitors

Low-power features and -40°C to 85°C range enable battery-operated patient monitors with reliable reset behavior.

Smart Grid Metering

WDT and PWM capabilities support pulse counting and tamper detection in energy meters operating from 3.3V rails.

Q: What is the operating voltage range of the STM8AF6223PAAU?
A: It operates from 3V to 5.5V, making it suitable for automotive and industrial power rails.
Q: What package is available?
A: It comes in a 20-TSSOP (4.40mm width) package, ideal for space-constrained PCBs.
Q: Does it include a watchdog timer?
A: Yes, it features a WDT along with brown-out reset and POR for reliable operation.
Q: What is the maximum CPU speed?
A: The STM8A core runs at up to 16MHz, providing balanced performance for control tasks.
Q: What memory does it have?
A: It has 8KB flash program memory and 1KB RAM.
Base Product Number : STM8AF6223
16MHz 1KB RAM 8-bit MCU 8KB flash automotive brown-out reset industrial control PWM sensor interface STM8A core TSSOP-20 WDT
Q: What is the operating voltage range of the STM8AF6223PAAU?
A: It operates from 3V to 5.5V, making it suitable for automotive and industrial power rails.
Q: What package is available?
A: It comes in a 20-TSSOP (4.40mm width) package, ideal for space-constrained PCBs.
Q: Does it include a watchdog timer?
A: Yes, it features a WDT along with brown-out reset and POR for reliable operation.
Q: What is the maximum CPU speed?
A: The STM8A core runs at up to 16MHz, providing balanced performance for control tasks.
Q: What memory does it have?
A: It has 8KB flash program memory and 1KB RAM.