STMicroelectronics STM8AF6223PCX

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8A
Packaging Cut Tape (CT) | Tape & Reel (TR)
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 5x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°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 STM8AF6223PCX from STMicroelectronics is an 8-bit automotive-grade microcontroller built on the STM8A core. It delivers 16MHz performance with 8KB flash and 1KB RAM in a compact 20-TSSOP package. Designed for 3V to 5.5V operation, it includes brown-out reset, POR, PWM, and WDT for reliable operation in extreme temperatures from -40°C to 125°C.

  • Automotive temperature range (-40°C to 125°C) ensures reliable operation in engine bays and industrial ovens.
  • Wide 3V-5.5V supply simplifies direct battery connection without external regulators.
  • Integrated WDT and brown-out reset enhance system safety in unattended applications.
  • Compact TSSOP-20 package saves PCB space for space-constrained designs.

Automotive Body Control Modules

With a 3V-5.5V supply and -40°C to 125°C range, it handles harsh under-hood environments for lighting and relay control.

Industrial Sensor Interfaces

The 16MHz STM8A core and 8KB flash enable real-time processing of temperature and pressure sensor data.

Low-Power Actuator Drivers

Integrated PWM and WDT support efficient motor and solenoid control with fail-safe operation.

Portable Diagnostic Tools

1KB RAM and 8KB flash are sufficient for calibration tables and communication protocols in handheld testers.

Smart Power Switches

Brown-out detection ensures safe state transitions in high-current switching applications.

LED Lighting Controllers

PWM outputs allow dimming and color mixing in automotive interior lighting systems.

Q: What is the operating voltage range of the STM8AF6223PCX?
A: It operates from 3V to 5.5V, making it suitable for automotive and industrial power rails.
Q: What is the maximum CPU speed?
A: The STM8A core runs at up to 16 MHz.
Q: What package is available?
A: It comes in a 20-pin TSSOP package (4.40mm width).
Q: Does it include a watchdog timer?
A: Yes, it features a WDT along with brown-out reset and POR.
Base Product Number : STM8AF6223
16MHz 8-bit MCU 8KB flash automotive industrial motor control PWM STM8A core TSSOP-20 WDT
Q: What is the operating voltage range of the STM8AF6223PCX?
A: It operates from 3V to 5.5V, making it suitable for automotive and industrial power rails.
Q: What is the maximum CPU speed?
A: The STM8A core runs at up to 16 MHz.
Q: What package is available?
A: It comes in a 20-pin TSSOP package (4.40mm width).
Q: Does it include a watchdog timer?
A: Yes, it features a WDT along with brown-out reset and POR.