My Inquiry
My Account
STMicroelectronics ST10F272M-4TR3
- Part No.:
- ST10F272M-4TR3
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
ST10F272M-4TR3.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 144TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,436
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ST10F272M-4TR3 from STMicroelectronics is a 16-bit automotive-grade MCU featuring a 40 MHz CPU, 256 Kbyte Flash memory, 20 Kbyte RAM (2 Kbyte IRAM + 18 Kbyte XRAM), dual CAN 2.0B interfaces, and a 24-channel 10-bit ADC - deployed in engine control units and industrial motor drives requiring deterministic real-time response.
For engineers reviewing the ST10F272M-4TR3 datasheet, ST10F272M-4TR3 pinout, ST10F272M-4TR3 application, or ST10F272M-4TR3 equivalent, key selection criteria include CAN bus concurrency support, MAC unit for control-loop acceleration, fail-safe watchdog/oscillator monitoring, and -40°C to +125°C operation with embedded 1.8 V core regulator.
Technical Context
The ST10F272M-4TR3 integrates a 16-bit ST10 CPU with hardware multiply-accumulate (16×16 → 40-bit result), single-cycle context switching, and 16-priority-level interrupt system sampling at 25 ns. Its memory architecture supports up to 16 Mbyte linear address space, configurable external bus with five chip-selects, and hold-acknowledge arbitration for multi-master systems.
It embeds two independent CAN 2.0B controllers (C-CAN), each supporting 64 message objects or split 2×32 configuration across dual busses; dual high-speed synchronous serial channels; I²C interface; and two 16-channel capture/compare units synchronized to four general-purpose timers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 16-bit ST10 with DSP extensions, 50 ns instruction cycle @ 40 MHz - enables sub-μs control loop execution in motor commutation. |
| Flash Memory | 256 Kbyte single-voltage Flash with 100K erase/program cycles - supports field firmware updates without external programming voltage. |
| RAM | 20 Kbyte total: 2 Kbyte on-chip IRAM + 18 Kbyte XRAM - provides low-latency data buffering for real-time signal processing. |
| ADC | 24-channel 10-bit SAR ADC: 16 ch ±2 LSB, 8 ch ±5 LSB, 4.85 μs min conversion - meets ASIL-B timing and accuracy for sensor fusion in powertrain systems. |
| CAN Interfaces | 2 × CAN 2.0B controllers (C-CAN), configurable for 1 or 2 busses with 64 or 2×32 message objects - enables redundant communication or multi-domain networking (e.g., powertrain + chassis). |
| Operating Temp | -40°C to +125°C ambient - qualified for under-hood automotive and industrial drive environments without derating. |
| Supply | 5 V ±10% external supply with integrated 1.8 V core regulator - eliminates need for external DC-DC converter in cost-sensitive ECU designs. |
Pinout & Package
LQFP144 package (20 × 20 mm, 0.5 mm pitch) with 111 general-purpose I/O lines - supports multiplexed/demultiplexed external bus expansion, CAN transceiver interfacing, and analog sensor routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply / Ground | Dual 5 V supply pins with dedicated analog/digital ground separation - reduces noise coupling in mixed-signal operation. |
| XTAL1, XTAL2 | Crystal oscillator input/output | Supports 4–8 MHz crystal or external clock; feeds on-chip PLL for stable 40 MHz CPU clock generation. |
| CANH, CANL (CAN1/CAN2) | CAN bus differential pair | Two independent differential outputs per CAN controller - enables direct connection to ISO 11898-compliant transceivers. |
| AD0–AD23 | Analog input channels | 24 dedicated ADC input pins with programmable hysteresis - allows direct connection of resistive sensors, thermistors, and current shunts. |
| P0–P15, P2–P15, etc. | General-purpose I/O | 111 individually configurable pins with open-drain, pull-up/down, and threshold control - supports legacy 5 V logic and level-shifted peripheral interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip bootstrap loader | Enables in-system programming via ASC/I²C/CAN - eliminates need for external debugger during production programming or field updates. |
| Fail-safe protection | Dual watchdog: programmable WDT + oscillator watchdog (OWD) - detects clock failure or software hang with autonomous reset initiation. |
| X-peripheral clock gating | Dynamic clock enable/disable per peripheral module - reduces active power by >30% during idle intervals in battery-powered applications. |
| Real-time clock (RTC) | Integrated 32 kHz oscillator + calendar counter - maintains time-of-day during stand-by mode with <1 μA current draw. |
| Power reduction modes | Idle, power-down (interruptible/protected), and stand-by - achieves <10 μA deep-sleep current while retaining RAM and RTC state. |
Applications
| Engine Control Unit (ECU) | Industrial Motor Drive |
|---|---|
Use Scenario: Real-time spark/fuel injection timing, knock detection, and OBD-II diagnostics in gasoline engines. IC Role / Device Role / Timing Role: Primary control MCU executing closed-loop PID algorithms with sub-100 μs jitter tolerance. Use Value: Dual CAN interfaces enable simultaneous communication with transmission ECU and body control module; 24-channel ADC acquires cylinder pressure, throttle position, and oxygen sensor signals concurrently. |
Use Scenario: Field-oriented control (FOC) of 3-phase AC induction motors in HVAC compressors and pump systems. IC Role / Device Role / Timing Role: Deterministic timer-triggered PWM generation and current sensing with synchronized ADC sampling. Use Value: MAC unit accelerates Clarke/Park transforms; 4-channel PWM + XPWM supports six-step commutation and dead-time insertion with hardware synchronization. |
| Automotive Body Controller | Heavy-Duty Vehicle Telematics Gateway |
Use Scenario: Centralized lighting, window lift, and door lock control with LIN/CAN gateway functionality. IC Role / Device Role / Timing Role: Multi-protocol interface hub managing asynchronous ASC, I²C sensor networks, and CAN cluster messaging. Use Value: 111 GPIOs support direct LED driver and relay control; programmable hysteresis tolerates noisy vehicle electrical environment. |
Use Scenario: Aggregating J1939 CAN bus data (engine, transmission, ABS) and forwarding via cellular/GPS module. IC Role / Device Role / Timing Role: Dual-CAN bridge with message filtering, store-and-forward buffering, and fault-tolerant reset recovery. Use Value: C-CAN controllers handle concurrent high-priority (J1939) and low-priority (diagnostic) traffic; 256 Kbyte Flash stores firmware + OTA update image. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon C167CS-32L | 16-bit C166 core, 32 Kbyte Flash, no integrated CAN - requires external CAN controller and external RAM expansion. | Limited to simpler body electronics; lacks dual CAN and failsafe watchdog features required for powertrain use. | Select only for cost-constrained non-safety-critical modules where external peripheral integration is acceptable. |
| NXP S12XEP100 | 16-bit HCS12X core, 1 MB Flash, 64 Kbyte RAM, 3× CAN - higher memory and peripheral count but larger footprint and higher power. | Better suited for complex gateway or ADAS domain controllers; over-spec for standalone ECU with tight thermal budget. | Prefer when future scalability, CAN FD readiness, or larger code base is anticipated - not for drop-in replacement. |
Compared with C167CS-32L, ST10F272M-4TR3 delivers integrated dual CAN and fail-safe monitoring essential for ASIL-B systems; versus S12XEP100, it offers lower BOM cost and thermal footprint for focused engine/motor control tasks without sacrificing real-time determinism.
Availability
ST10F272M-4TR3 is available at Aetrix Electronics and suitable for engine control units, industrial motor drives, and automotive body controllers requiring stable component supply across extended product lifecycles.
Supply support for ST10F272M-4TR3 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 ICs, sensors, and automotive-grade components since 1987.
The ST10 family was engineered specifically for deterministic real-time control in automotive powertrain and industrial automation - emphasizing robustness, fail-safe operation, and mixed-signal integration in harsh environments.
FAQ
What is the maximum operating frequency and corresponding instruction cycle time of the ST10F272M-4TR3?
The ST10F272M-4TR3 operates at a maximum CPU clock of 40 MHz, delivering a 50 ns instruction cycle time. This timing is achieved using the on-chip PLL locked to a 4–8 MHz external crystal or clock source, with internal 1.8 V core regulation ensuring stable high-speed execution across temperature and voltage variations.
Does the ST10F272M-4TR3 support in-system programming (ISP) without external hardware?
Yes - the device includes an on-chip bootstrap loader accessible via ASC, I²C, or CAN interfaces. It supports full Flash programming, erasure, and verification using standard UART or CAN frames, enabling field firmware updates and eliminating dependency on JTAG debuggers or external programmers during production.
How does the dual CAN implementation differ from standard CAN controllers?
The ST10F272M-4TR3 implements two independent C-CAN modules, each supporting 64 message objects or configurable as 2×32 for separate busses. Unlike basic CAN peripherals, C-CAN provides hardware message filtering, transmit prioritization, and automatic retransmission - reducing CPU load in high-traffic automotive networks.
What power-saving modes are available, and what is the lowest achievable current draw?
The MCU supports Idle, Power-down (interruptible or protected), and Stand-by modes. In Stand-by mode with RTC active and RAM retention, typical current draw is <1 μA. Full wake-up from Stand-by occurs within 10 μs via external interrupt or RTC alarm, preserving deterministic real-time behavior during low-power operation.
ST10F272M-4TR3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- Series:
- ST10
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ST10
- Core Size:
- 16-Bit
- Speed:
- 40MHz
- Connectivity:
- ASC, CANbus, EBI/EMI, I2C, SSC, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 111
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 20K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 24x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
ST10F272M-4TR3 FAQ
1.How can I place an order for ST10F272M-4TR3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ST10F272M-4TR3 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 ST10F272M-4TR3 reliable?
The price and inventory of ST10F272M-4TR3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ST10F272M-4TR3 is usually 5 days.
3.What payment methods are accepted for ST10F272M-4TR3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ST10F272M-4TR3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ST10F272M-4TR3?
ST10F272M-4TR3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ST10F272M-4TR3 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 ST10F272M-4TR3?
For technical support, including ST10F272M-4TR3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ST10F272M-4TR3 requirements.
6.How does Aetrix verify that ST10F272M-4TR3 is sourced from the original manufacturer or authorized distributors?
All ST10F272M-4TR3 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 ST10F272M-4TR3 meets industry standards.
7.What is the process for return or replacement of ST10F272M-4TR3?
All ST10F272M-4TR3 units undergo pre-shipment inspection (PSI). If there is an issue with ST10F272M-4TR3, 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 ST10F272M-4TR3 part is unused and in its original packaging.
Return procedure for ST10F272M-4TR3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ST10F272M-4TR3 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
