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STMicroelectronics STM8AF6288TDY
- Part No.:
- STM8AF6288TDY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM8AF6288TDY.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,940
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Product details
Overview
STM8AF6288TDY from STMicroelectronics is an AEC-Q100 Grade 0 qualified automotive 8-bit MCU featuring a 24 MHz STM8A core, 128 Kbyte Flash program memory with 20-year data retention at 55 °C, 2 Kbyte true data EEPROM (300 kcycle endurance), and integrated CAN 2.0B interface operating up to 1 Mbit/s - deployed in engine control units for real-time sensor signal acquisition and actuator command execution.
For engineers reviewing the STM8AF6288TDY datasheet, STM8AF6288TDY pinout, STM8AF6288TDY application, or STM8AF6288TDY equivalent, key selection criteria include automotive-grade temperature range (−40 °C to 150 °C), CAN/LIN/USART/I²C/SPI communication coexistence, 10-bit ADC with 16-channel multiplexing, and low-power Halt/Wait modes with clock gating control.
Technical Context
The STM8AF6288TDY implements a Harvard-architecture STM8A CPU with 3-stage pipeline, achieving 10 MIPS at 16 MHz via 1.6-cycle/instruction average. Its clock system integrates trimmable 16 MHz HSI and 128 kHz LSI oscillators plus external crystal support, all monitored by a dedicated clock security system (CSS).
Interrupt handling uses a nested controller with 32 vectors and up to 37 external interrupts mapped across 5 vectors. The peripheral set includes two 16-bit general-purpose timers (each with 3 CAPCOM channels), one advanced control timer (4 CAPCOM, 3 complementary outputs, dead-time insertion), and an 8-bit auto-wakeup timer.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | STM8A 8-bit Harvard CPU with 3-stage pipeline; enables deterministic timing for safety-critical automotive firmware. |
| Max fCPU | 24 MHz; supports real-time control loops with sub-42 ns instruction cycle at full speed. |
| Flash Memory | 128 Kbyte; retains code/data for 20 years at 55 °C - suitable for long-lifecycle vehicle platforms. |
| Data EEPROM | 2 Kbyte true EEPROM; withstands 300,000 write/erase cycles for odometer, calibration, or fault log storage. |
| CAN Interface | CAN 2.0B compliant, 1 Mbit/s; meets ISO 11898-1 for robust in-vehicle network communication. |
| ADC Resolution | 10-bit SAR ADC with ≤2 LSB total unadjusted error; delivers precise analog sensing for throttle position or coolant temperature. |
| Operating Temp | −40 °C to +150 °C; qualified per AEC-Q100 Grade 0 - validated for under-hood ECU deployment. |
Pinout & Package
LQFP64 package (10 × 10 mm, 0.5 mm pitch) with 64 pins; thermally enhanced for sustained operation at 150 °C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD powers digital core and I/O; VSS provides reference return path for noise immunity. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; accepts external debounced signal or watchdog timeout assertion. |
| PA0–PA7, PB0–PB7, PC0–PC7, PD0–PD7, PE0–PE7, PF0–PF7 | General-purpose bidirectional I/O | Up to 68 user pins; 11 high-sink I/Os drive LEDs or relays directly without external buffers. |
| TX/RX (USART1) | Universal synchronous/asynchronous serial interface | Full-duplex UART with LIN master mode and automatic resynchronization - used for diagnostic communication. |
| CAN_RX / CAN_TX | CAN physical layer interface | Differential signaling pair connected to external CAN transceiver (e.g., TJA1042); supports bus arbitration and error framing. |
| OSC_IN / OSC_OUT | External crystal oscillator connection | Supports 1–24 MHz quartz resonator; enables precise timing for CAN bit rate accuracy and clock redundancy. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 0 qualification | Validated for −40 °C to +150 °C operation - eliminates derating for under-hood engine management systems. |
| Integrated CAN 2.0B controller | Hardware mailbox management and message filtering offload CPU during multi-node network traffic bursts. |
| True data EEPROM | Independent 2 Kbyte nonvolatile memory block with separate erase/write control - avoids Flash wear during frequent parameter updates. |
| Low-power modes with clock gating | Wait/Halt/Auto-wakeup modes reduce current to <1 μA (Halt) while preserving RAM and register state for fast wake latency. |
| 10-bit ADC with 16-channel mux | Simultaneous sampling not supported, but configurable scan sequence enables sequential sensor polling with hardware-triggered conversions. |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of crankshaft position, oxygen sensor voltage, and intake air temperature in gasoline direct injection systems. IC Role / Device Role / Timing Role: Central controller executing closed-loop fuel injection and spark timing algorithms with <100 μs interrupt response. Use Value: 24 MHz CPU and deterministic 1.6-cycle instruction execution ensure jitter-free timing for critical combustion events. |
Use Scenario: Managing door lock actuators, interior lighting dimming, and window lift motor sequencing in premium vehicles. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slave nodes (e.g., mirror controls) and driving high-current loads via GPIO sink capability. Use Value: 11 high-sink I/O pins eliminate external driver ICs, reducing BOM cost and PCB area in space-constrained modules. |
| Transmission Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Hub |
Use Scenario: Processing gear position switch inputs, turbine speed signals, and solenoid valve commands in 8-speed automatic transmissions. IC Role / Device Role / Timing Role: Safety-aware controller with independent watchdog and clock monitor - detects and recovers from transient faults per ISO 26262 ASIL-B requirements. Use Value: AEC-Q100 Grade 0 qualification and dual watchdog timers (independent + window) provide fault containment for transmission actuation logic. |
Use Scenario: Aggregating analog outputs from radar preprocessing ICs and thermal cameras before forwarding fused data via CAN to central ADAS ECU. IC Role / Device Role / Timing Role: Signal conditioning node performing ADC oversampling, digital filtering, and timestamped CAN message packaging. Use Value: 10-bit ADC with 16-channel multiplexing and hardware-triggered conversion sequences enable synchronized multi-sensor acquisition without CPU overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8AF6269TDY | 64 Kbyte Flash, no CAN interface; identical package and peripheral set otherwise. | Suitable for LIN-only body electronics where CAN bus integration is unnecessary. | Select when CAN is not required and Flash footprint can be reduced by 50% without compromising EEPROM or ADC resources. |
| STM32F042F6P6 | 32-bit ARM Cortex-M0 core, 32 Kbyte Flash, no built-in EEPROM, operates up to 48 MHz. | Targets cost-sensitive industrial control with USB device support - lacks AEC-Q100 qualification and automotive temp range. | Choose only for non-automotive designs requiring higher compute throughput and USB connectivity, accepting trade-offs in qualification and nonvolatile memory architecture. |
Compared with STM8AF6269TDY, the STM8AF6288TDY adds 64 Kbyte Flash and CAN - essential for complex ECUs. Versus STM32F042F6P6, it trades 32-bit performance for guaranteed automotive qualification, embedded EEPROM, and deterministic 8-bit real-time behavior.
Availability
STM8AF6288TDY is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and body control modules requiring stable component supply across extended automotive product lifecycles.
Supply support for STM8AF6288TDY 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 management ICs, sensors, and automotive-grade silicon.
The STM8A family targets cost-optimized, high-reliability automotive applications - delivering AEC-Q100 qualified 8-bit performance with integrated CAN, LIN, and EEPROM for ECU consolidation and legacy platform modernization.
FAQ
What is the maximum operating temperature rating for STM8AF6288TDY?
The STM8AF6288TDY is rated for continuous operation from −40 °C to +150 °C and qualified per AEC-Q100 Grade 0. This specification is verified through accelerated life testing and thermal cycling across the full range, making it suitable for under-hood engine compartment placement without thermal derating.
Does STM8AF6288TDY include hardware debug support?
Yes - it features the Single Wire Interface Module (SWIM), enabling non-intrusive in-circuit debugging and programming via a single pin. SWIM supports full read/write access to Flash, EEPROM, and registers, and is compatible with ST-LINK/V2 and ST-LINK/V2-1 debug probes.
How many CAN message objects does the on-chip CAN controller support?
The integrated beCAN controller supports 16 message objects (mailboxes) with programmable identifier masking and acceptance filtering. Each object can be configured for transmit, receive, or self-test mode, and supports standard (11-bit) and extended (29-bit) frame formats per CAN 2.0B.
Is the 2 Kbyte data EEPROM accessible concurrently with program execution?
Yes - the STM8AF6288TDY implements separate EEPROM and Flash memory spaces with independent address buses and control logic. EEPROM read operations occur in parallel with CPU instruction fetches, and EEPROM write/erase operations use a dedicated state machine that pauses CPU execution only during the actual programming phase (≤5 ms per byte).
STM8AF6288TDY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM8A
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- STM8A
- Core Size:
- 8-Bit
- Speed:
- 24MHz
- Connectivity:
- I2C, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 38
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 10x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8AF6288TDY FAQ
1.How can I place an order for STM8AF6288TDY through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8AF6288TDY 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 STM8AF6288TDY reliable?
The price and inventory of STM8AF6288TDY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8AF6288TDY is usually 5 days.
3.What payment methods are accepted for STM8AF6288TDY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8AF6288TDY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8AF6288TDY?
STM8AF6288TDY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8AF6288TDY 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 STM8AF6288TDY?
For technical support, including STM8AF6288TDY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8AF6288TDY requirements.
6.How does Aetrix verify that STM8AF6288TDY is sourced from the original manufacturer or authorized distributors?
All STM8AF6288TDY 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 STM8AF6288TDY meets industry standards.
7.What is the process for return or replacement of STM8AF6288TDY?
All STM8AF6288TDY units undergo pre-shipment inspection (PSI). If there is an issue with STM8AF6288TDY, 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 STM8AF6288TDY part is unused and in its original packaging.
Return procedure for STM8AF6288TDY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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