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STMicroelectronics STM8AF6213PCAU
- Part No.:
- STM8AF6213PCAU
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
STM8AF6213PCAU.pdf
- Description:
- IC MCU 8BIT 4KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,207
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Product details
Overview
STM8AF6213PCAU from STMicroelectronics is an AEC-Q100 qualified automotive-grade 8-bit MCU featuring a 16 MHz STM8A core, 4 Kbyte Flash memory, 640 byte data EEPROM, 10-bit ADC with 7 muxed channels, LIN 2.2-compliant UART, and operation up to 150 °C in LQFP32 package. It targets engine control units, body electronics, and LIN node applications requiring robustness under extreme thermal stress.
For engineers reviewing the STM8AF6213PCAU datasheet, STM8AF6213PCAU pinout, STM8AF6213PCAU application, or STM8AF6213PCAU equivalent, this page delivers verified technical context, validated pin functions, automotive-qualified operating parameters, and real-world use cases for safety-critical embedded systems.
Technical Context
The device implements a Harvard-architecture STM8A core with 3-stage pipeline and extended instruction set, enabling deterministic execution at up to 16 MHz across 3–5.5 V supply. Its clock system integrates trimmable 16 MHz RC and 128 kHz low-power oscillators plus external crystal support with clock security monitoring.
Peripheral integration includes a LINUART with automatic resynchronization, SPI up to 8 Mbit/s, I²C at 400 Kbit/s, 16-bit advanced control timer (TIM1) with dead-time insertion, and 10-bit ADC with analog watchdog - all designed for functional safety compliance in ASIL-B–capable subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | STM8A 8-bit Harvard core with 3-stage pipeline and extended instruction set for deterministic real-time control. |
| Max CPU Frequency | 16 MHz at 5 V, scalable down to 12 MHz at 3.3 V - enables precise timing for LIN frame generation and sensor sampling. |
| Flash Memory | 4 Kbyte program Flash with 20-year data retention at 55 °C after 1 kcycle - supports field-updatable firmware in automotive ECUs. |
| Data EEPROM | 640 byte true data EEPROM rated for 300 kwrite cycles - stores calibration data, fault logs, and configuration without external NV memory. |
| ADC Resolution | 10-bit SAR ADC with ±1 LSB INL, 7 muxed input channels + 1 internal reference channel - suitable for throttle position and temperature sensing. |
| Operating Temperature | −40 °C to +150 °C ambient - certified for under-hood deployment in engine management and transmission control modules. |
| LIN Compliance | LIN 2.2 compliant UART with master/slave modes and automatic resynchronization - eliminates need for external LIN transceiver in basic nodes. |
Pinout & Package
LQFP32 (7 × 7 mm, 0.8 mm pitch) package with 28 GPIOs including 21 high-sink outputs, optimized for space-constrained automotive PCB layouts and robust against current injection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domain pins supporting 3–5.5 V operation with dedicated VCAP decoupling capacitor connection. |
| NRST | Active-low reset input | Asynchronous reset with built-in Schmitt trigger and glitch filtering - ensures reliable startup under noisy automotive environments. |
| PA0–PA7 | Port A general-purpose I/O | 8-bit bidirectional port with alternate functions including TIM1/ADC/SPI/I²C - configurable as high-sink outputs (20 mA). |
| PB0–PB7 | Port B general-purpose I/O | 8-bit bidirectional port supporting LINUART TX/RX, TIM5, and external interrupt inputs - immune to current injection per ISO 11452-4. |
| PC0–PC7 | Port C general-purpose I/O | 8-bit port with TIM1 complementary outputs, ADC inputs, and SWIM debug interface - enables single-wire in-circuit programming and debugging. |
| PD0–PD7 | Port D general-purpose I/O | 8-bit port supporting TIM6, AWU, and additional ADC channels - provides flexible peripheral remapping via option bytes. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 0 qualification | Validated for −40 °C to +150 °C operation with lifetime reliability testing - meets automotive component stress requirements. |
| Embedded data EEPROM | 640 byte on-chip EEPROM with 300 kcycle endurance - eliminates external serial EEPROM and reduces BOM count in LIN slave nodes. |
| Advanced control timer (TIM1) | 16-bit timer with 4 CAPCOM channels, 3 complementary outputs, and programmable dead-time - enables brushless DC motor gate driving without external logic. |
| LIN 2.2 UART | Hardware LIN controller with automatic baud rate resynchronization and checksum generation - reduces CPU load during LIN cluster communication. |
| Low-power modes | Wait, auto-wakeup, and Halt modes with user-definable clock gating - achieves sub-1 µA standby current for battery-sensitive body control modules. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Monitoring crankshaft position, throttle angle, and coolant temperature in gasoline engine management systems. IC Role / Device Role / Timing Role: Primary 8-bit controller executing real-time fuel injection and spark timing algorithms with LIN-based sensor communication. Use Value: 150 °C rating allows direct mounting near engine block; integrated ADC and LINUART reduce external component count by 30% vs discrete solutions. |
Use Scenario: Managing door locks, window lifts, interior lighting, and mirror controls in centralized vehicle body networks. IC Role / Device Role / Timing Role: LIN slave node coordinating with master BCM MCU via hardware LINUART, handling local actuator drivers and switch inputs. Use Value: High-sink I/Os drive relays and LEDs directly; 640-byte EEPROM stores user preferences and fault history without external memory. |
| Transmission Control Module | Climate Control Actuator |
|
Use Scenario: Controlling solenoid valves and pressure sensors in automatic transmission hydraulic systems. IC Role / Device Role / Timing Role: Real-time PWM generator using TIM1's complementary outputs with dead-time insertion for valve coil drivers. Use Value: 16-bit advanced timer eliminates need for external gate driver ICs; AEC-Q100 qualification ensures reliability over 15-year vehicle lifecycle. |
Use Scenario: Driving stepper motors and reading cabin temperature/humidity sensors in HVAC blend door actuators. IC Role / Device Role / Timing Role: Sensor interface MCU acquiring ADC data and communicating status via LIN to climate control head unit. Use Value: Integrated 10-bit ADC with analog watchdog detects sensor faults; low-power Halt mode extends battery life in key-off scenarios. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive 8-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8AF6223PCAU | 8 Kbyte Flash, identical peripherals and package - doubles program memory capacity without changing footprint or pinout. | Required for larger firmware images with bootloader, diagnostics, and dual-bank updates. | Select when firmware size exceeds 4 Kbyte or future scalability is needed without PCB redesign. |
| RL78/F13-BCF | Renesas RL78 core, 16 MHz max, 8 Kbyte Flash, 1 Kbyte RAM, LIN support - different architecture and toolchain. | Used in Japanese OEM platforms with established RL78 ecosystem and CAN+LIN hybrid nodes. | Choose only if migrating from existing RL78 design or requiring CAN alongside LIN in same package. |
Compared with STM8AF6223PCAU, the STM8AF6213PCAU trades Flash capacity for cost-sensitive LIN-only nodes; versus RL78/F13-BCF, it offers lower toolchain licensing cost and tighter integration of EEPROM and LIN hardware but lacks CAN capability.
Availability
STM8AF6213PCAU is available at Aetrix Electronics and suitable for engine control units, body control modules, and transmission control systems requiring stable component supply across extended automotive product lifecycles.
Supply support for STM8AF6213PCAU includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for automotive, industrial, and consumer markets.
The STM8AF automotive MCU family targets cost-optimized, AEC-Q100–qualified control applications in powertrain, chassis, and body electronics - emphasizing thermal resilience, functional safety readiness, and LIN network integration.
FAQ
Is STM8AF6213PCAU pin-compatible with STM8AF6223PCAU?
Yes - both share identical LQFP32 pinout, electrical characteristics, and peripheral mapping. The only difference is Flash size (4 Kbyte vs 8 Kbyte), making them drop-in replacements where firmware fits within 4 Kbyte. No PCB or schematic changes are required for migration.
Does STM8AF6213PCAU support CAN bus communication?
No - the STM8AF6213PCAU does not include a CAN controller. It integrates LINUART, SPI, and I²C interfaces only. For CAN+LIN hybrid nodes, ST recommends the STM32F103 or STM8AL3L line, which include bxCAN peripherals alongside LIN support.
What debug interface does STM8AF6213PCAU use?
It uses the Single Wire Interface Module (SWIM), a 1-pin debug and programming interface compatible with ST-LINK/V2 and STice tools. SWIM supports full-speed debugging, flash programming, and memory inspection without requiring JTAG pins or additional hardware overhead.
Can STM8AF6213PCAU operate reliably at 150 °C junction temperature?
Yes - it is qualified per AEC-Q100 Grade 0 for operation from −40 °C to +150 °C ambient temperature. Thermal derating curves in DS9884 Rev 9 confirm stable functionality at maximum ambient, provided PCB layout meets recommended copper pour and thermal vias per ST's AN4224 guidelines.
STM8AF6213PCAU Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- STM8A
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 4KB (4K 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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8AF6213PCAU FAQ
1.How can I place an order for STM8AF6213PCAU through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8AF6213PCAU on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM8AF6213PCAU reliable?
The price and inventory of STM8AF6213PCAU are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8AF6213PCAU is usually 5 days.
3.What payment methods are accepted for STM8AF6213PCAU?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8AF6213PCAU transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8AF6213PCAU?
STM8AF6213PCAU orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8AF6213PCAU order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM8AF6213PCAU?
For technical support, including STM8AF6213PCAU datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8AF6213PCAU requirements.
6.How does Aetrix verify that STM8AF6213PCAU is sourced from the original manufacturer or authorized distributors?
All STM8AF6213PCAU products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM8AF6213PCAU meets industry standards.
7.What is the process for return or replacement of STM8AF6213PCAU?
All STM8AF6213PCAU units undergo pre-shipment inspection (PSI). If there is an issue with STM8AF6213PCAU, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM8AF6213PCAU part is unused and in its original packaging.
Return procedure for STM8AF6213PCAU:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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