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STMicroelectronics STM8S001J3M3
- Part No.:
- STM8S001J3M3
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
STM8S001J3M3.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:3,166
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Product details
Overview
STM8S001J3M3 from STMicroelectronics is an 8-bit microcontroller with 16 MHz STM8 core, 8-Kbyte Flash memory, 128-byte true data EEPROM, 10-bit ADC, and integrated UART/SPI/I²C interfaces. It operates from 2.95 V to 5.5 V and supports low-power modes (wait, active-halt, halt), making it suitable for cost-sensitive embedded control in smart sensors, industrial I/O modules, and battery-powered telemetry nodes.
For engineers reviewing the STM8S001J3M3 datasheet, STM8S001J3M3 pinout, STM8S001J3M3 application, or STM8S001J3M3 equivalent, key selection considerations include its SO8N 8-pin package, high-sink I/O capability (up to 4 pins), single-wire SWIM debug interface, and support for LIN master mode - all critical for space-constrained, low-BOM-cost MCU deployments.
Technical Context
The STM8S001J3M3 implements a Harvard-architecture STM8 core with 3-stage pipeline and extended instruction set, enabling deterministic real-time execution at up to 16 MHz. Its clock system includes three independent sources: external crystal, user-trimmable 16 MHz RC, and low-power 128 kHz RC - all monitored by a clock security system.
Peripheral integration centers on minimal-footprint system control: one 16-bit advanced timer (TIM1) with dead-time insertion, one 16-bit general-purpose timer (TIM2), one 8-bit basic timer (TIM4), auto-wakeup timer, window/independent watchdogs, and a 3-channel 10-bit ADC with analog watchdog and internal reference voltage measurement.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | STM8 8-bit Harvard core with 3-stage pipeline and extended instruction set - enables efficient code density and deterministic interrupt latency. |
| Max Clock Frequency | 16 MHz - supports real-time control loops up to ~62.5 ns instruction cycle time at full speed. |
| Flash Memory | 8 Kbytes Flash with 20-year data retention at 55 °C after 100 write/erase cycles - sufficient for firmware + parameter storage in field-deployed devices. |
| Data EEPROM | 128-byte true data EEPROM with 100 k write/erase endurance - enables reliable non-volatile configuration storage without external EEPROM. |
| ADC Resolution & Channels | 10-bit ADC with ±1 LSB INL/DNL and up to 3 multiplexed input channels - suitable for precision sensor interfacing (e.g., thermistors, potentiometers). |
| I/O Count & Type | Up to 5 GPIO pins including 4 high-sink outputs (20 mA sink per pin) - drives LEDs, small relays, or logic-level MOSFET gates directly. |
| Communication Interfaces | UART (with LIN master), SPI (slave receiver only, up to 8 Mbit/s), I²C (up to 400 kbit/s) - covers essential serial communication for sensor hubs and actuator controllers. |
Pinout & Package
STM8S001J3M3 is housed in an SO8N (8-lead plastic small outline) package measuring 4.9 × 6 mm with 150 mils body width, optimized for automated assembly and board space efficiency.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply | Primary 2.95–5.5 V supply rail; requires local 100 nF decoupling capacitor near pin. |
| VSS | Ground | Digital ground reference; must be connected to PCB ground plane with low-impedance path. |
| NRST | Reset input | Active-low reset pin; accepts external pull-up and optional capacitor for power-on reset timing. |
| SWIM | Single-wire debug interface | Bi-directional SWIM signal for programming and non-intrusive debugging using ST-LINK tools. |
| PA1 | General-purpose I/O / UART TX | Configurable as GPIO or UART transmit; supports high-sink output (20 mA) when used as digital output. |
| PA2 | General-purpose I/O / UART RX | Configurable as GPIO or UART receive; Schmitt-trigger input for noise immunity in noisy environments. |
| PA3 | General-purpose I/O / ADC IN1 | Supports analog input for ADC channel 1; internal pull-up/pull-down configurable via software. |
| PA4 | General-purpose I/O / ADC IN2 | Supports analog input for ADC channel 2; shares same analog front-end as PA3 with shared sampling circuitry. |
Key Features
| Feature | Design Value |
|---|---|
| Embedded SWIM debug interface | Enables full-speed on-chip programming and real-time debugging via single wire - eliminates need for JTAG header and reduces PCB footprint. |
| High-sink I/O capability | Four pins (PA1–PA4) support 20 mA sink current - directly drives LEDs or logic-level N-channel MOSFETs without external drivers. |
| Low-power operation modes | Wait, active-halt, and halt modes with individual peripheral clock gating - achieves sub-1 µA halt current at 3.3 V for battery life extension. |
| Integrated LIN master support | UART peripheral configured in LIN 2.2 master mode - enables direct connection to automotive body electronics networks without external transceiver. |
| True data EEPROM | 128-byte on-chip EEPROM with 100 k endurance - stores calibration data, device IDs, or runtime parameters with guaranteed reliability over product lifetime. |
Applications
| Smart Sensor Node | Industrial I/O Module |
|---|---|
Use Scenario: Compact environmental sensor node monitoring temperature and humidity with local LED status indication and wireless data upload. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, LED drive, UART communication to BLE module, and low-power sleep scheduling. Use Value: Integrated 10-bit ADC and high-sink I/O eliminate external signal conditioning and driver ICs; SWIM simplifies field firmware updates. |
Use Scenario: DIN-rail mounted digital input/output expansion unit for PLC systems with isolated inputs and relay-driven outputs. IC Role / Device Role / Timing Role: Local intelligence unit handling opto-isolated input debouncing, relay timing control, and Modbus RTU over UART. Use Value: 16 MHz core ensures <100 µs response to input transitions; 8-Kbyte Flash accommodates protocol stack + application logic in single chip. |
| Battery-Powered Telemetry | Appliance Control Subsystem |
Use Scenario: Wireless water meter with pulse counting, battery voltage monitoring, and periodic LoRaWAN transmission. IC Role / Device Role / Timing Role: System manager performing wake-on-interrupt pulse counting, ADC-based battery health check, and UART-to-LoRa bridge control. Use Value: Halt-mode current <1 µA extends 2xAA battery life beyond 5 years; internal 128 kHz RC enables precise wake interval timing without external crystal. |
Use Scenario: Cooktop control panel with touch feedback, thermal cutoff monitoring, and buzzer alert generation. IC Role / Device Role / Timing Role: Dedicated UI controller reading capacitive touch inputs, driving buzzer via PWM, and monitoring thermistor-based overtemperature signals. Use Value: 3-channel ADC scans multiple thermal sensors simultaneously; high-sink outputs drive buzzer and status LEDs without discrete transistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8L051F3P6 | Ultra-low-power STM8L core (16 MHz max), 8-Kbyte Flash, 1-Kbyte RAM, 128-byte EEPROM, but uses SO8 package with different pinout and lacks LIN master mode. | Targeted at sub-µA standby applications where deep-sleep current (<300 nA) is critical; not pin-compatible with STM8S001J3M3. | Select when lowest possible active/halt current is mandatory and LIN is unused; requires PCB redesign due to pin mismatch. |
| EFM8BB10F8G-A-QSOP24 | Silicon Labs EFM8 Busy Bee MCU: 8051 core, 8-Kbyte Flash, 512-byte RAM, 12-bit ADC, 2× UART, but in 24-pin QSOP - larger footprint and higher BOM cost. | Offers higher ADC resolution and dual UARTs for diagnostics + host comms; lacks high-sink I/O and SWIM simplicity. | Choose when 12-bit ADC accuracy or dual serial ports outweigh size/cost constraints; not drop-in replaceable. |
Compared with STM8L051F3P6 and EFM8BB10F8G-A-QSOP24, the STM8S001J3M3 delivers optimal balance of compact SO8N packaging, integrated LIN master, high-sink I/O, and SWIM debug - making it uniquely suited for cost- and space-constrained embedded control where moderate power efficiency suffices.
Availability
STM8S001J3M3 is available at Aetrix Electronics and suitable for smart sensor nodes, industrial I/O modules, battery-powered telemetry, and appliance control subsystems requiring stable component supply and long-term production continuity.
Supply support for STM8S001J3M3 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 analog components for industrial, automotive, and consumer markets.
The STM8S microcontroller family targets cost-optimized, robust 8-bit embedded control - emphasizing ease of use, low system cost, and rapid time-to-market for applications where 32-bit overhead is unnecessary.
FAQ
Does STM8S001J3M3 support in-circuit programming via SWIM?
Yes. The STM8S001J3M3 features a dedicated SWIM (Single-Wire Interface Module) pin that enables full-speed flash programming, EEPROM write/erase, and non-intrusive debugging using ST-LINK/V2 or compatible programmers. No bootloader code is required - the hardware-level interface operates independently of firmware state.
What is the maximum sink current capability per I/O pin?
Four pins (PA1–PA4) are designated as high-sink outputs, each capable of sinking up to 20 mA continuously at VDD = 5 V and 15 mA at VDD = 3.3 V, as specified in Table 38 of DS12129 Rev 4. Total package sink current must not exceed 80 mA to maintain voltage regulation and thermal safety.
Can the internal 16 MHz RC oscillator be trimmed for improved accuracy?
Yes. The STM8S001J3M3 includes a user-trimmable 16 MHz internal RC oscillator with ±1% typical accuracy after trimming. Calibration is performed by writing to the CLK_HSICALR register during initialization, allowing adjustment in 0.5% steps across a ±8% range to compensate for process and temperature variation.
Is LIN bus communication supported in hardware?
Yes. The UART peripheral supports LIN 2.2 master mode in hardware, including automatic sync field generation, identifier checksum calculation, and break detection - eliminating software overhead for LIN frame assembly and enabling reliable communication with slave nodes in automotive body networks.
STM8S001J3M3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- STM8
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- STM8
- Core Size:
- 8-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, LINbus, SmartCard, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 5
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128 x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.95V ~ 5.5V
- Data Converters:
- A/D 3x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8S001J3M3 FAQ
1.How can I place an order for STM8S001J3M3 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8S001J3M3 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 STM8S001J3M3 reliable?
The price and inventory of STM8S001J3M3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8S001J3M3 is usually 5 days.
3.What payment methods are accepted for STM8S001J3M3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8S001J3M3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8S001J3M3?
STM8S001J3M3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8S001J3M3 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 STM8S001J3M3?
For technical support, including STM8S001J3M3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8S001J3M3 requirements.
6.How does Aetrix verify that STM8S001J3M3 is sourced from the original manufacturer or authorized distributors?
All STM8S001J3M3 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 STM8S001J3M3 meets industry standards.
7.What is the process for return or replacement of STM8S001J3M3?
All STM8S001J3M3 units undergo pre-shipment inspection (PSI). If there is an issue with STM8S001J3M3, 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 STM8S001J3M3 part is unused and in its original packaging.
Return procedure for STM8S001J3M3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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