ST10F272M-4T3 - 16-bit MCU 32MHz 832KB Flash | STMicroelectronics
MPN: ST10F272M-4T3 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.1 | $8,100.00 |
Drop-in alternatives for ST10F272M-4T3 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ST10F272M-4Q3
β Drop-Inπ Reference alternative (not in catalog)
ST10F272Z4T3
β Drop-Inπ Reference alternative (not in catalog)
ST10F276Z5T3
β Drop-Inπ Reference alternative (not in catalog)
SAK-XC164CS-16F40F
β Drop-Inπ Reference alternative (not in catalog)
ST10F272M-4T3 Maximum Ratings & Electrical Characteristics
| Core | ST10 16-bit CISC |
| Maximum Clock Frequency | 32 MHz |
| Flash Memory | 832 KB |
| RAM | 68 KB |
| Supply Voltage | 4.5 V to 5.5 V |
| Operating Temperature | -40Β°C to +85Β°C |
| Package | TQFP-144 |
| Mounting Type | Surface Mount |
| Number of I/O Pins | 111 |
| ADC Channels | 16 (10-bit) |
| CAN Interfaces | 2 |
| USART Interfaces | 2 |
| Timers | 5 (16-bit) |
| PWM Channels | 4 |
| RoHS Status | Compliant |
ST10F272M-4T3 Pin Configuration
| Pin 1 | P0.0 β Port 0 bit 0 (I/O) |
| Pin 2 | P0.1 β Port 0 bit 1 (I/O) |
| Pin 3 | P0.2 β Port 0 bit 2 (I/O) |
| Pin 4 | P0.3 β Port 0 bit 3 (I/O) |
| Pin 5 | P0.4 β Port 0 bit 4 (I/O) |
| Pin 6 | P0.5 β Port 0 bit 5 (I/O) |
| Pin 7 | P0.6 β Port 0 bit 6 (I/O) |
| Pin 8 | P0.7 β Port 0 bit 7 (I/O) |
| Pin 9 | VDD β Power supply (5V) |
| Pin 10 | VSS β Ground |
| Pin 11 | P1.0 β Port 1 bit 0 (I/O) |
| Pin 12 | P1.1 β Port 1 bit 1 (I/O) |
| Pin 13 | P1.2 β Port 1 bit 2 (I/O) |
| Pin 14 | P1.3 β Port 1 bit 3 (I/O) |
| Pin 15 | P1.4 β Port 1 bit 4 (I/O) |
| Pin 16 | P1.5 β Port 1 bit 5 (I/O) |
| Pin 17 | P1.6 β Port 1 bit 6 (I/O) |
| Pin 18 | P1.7 β Port 1 bit 7 (I/O) |
| Pin 19 | P2.0 β Port 2 bit 0 (I/O) |
| Pin 20 | P2.1 β Port 2 bit 1 (I/O) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ST10F272M-4T3 is suitable for 6 applications: Automotive Engine Control, Industrial Automation, Motor Drives, Medical Monitoring, Networking Equipment, Test and Measurement.
Automotive Engine Control
The ST10F272M-4T3 is ideal for engine control units (ECUs) due to its dual CAN interfaces, high-speed ADC, and robust temperature range. It can handle real-time sensor data acquisition and actuator control, ensuring efficient fuel injection and ignition timing. The 832KB Flash allows for complex calibration maps and diagnostic routines. Its 5V supply simplifies interfacing with automotive sensors and actuators. The MCU's 32 MHz clock provides sufficient processing power for control loops, while the MAC unit supports signal processing for knock detection. In a typical ECU, the ST10F272M-4T3 reads crankshaft and camshaft position sensors via the ADC, processes the data, and outputs PWM signals to fuel injectors and ignition coils. The dual CAN buses enable communication with transmission control and body electronics. The wide operating temperature range (-40Β°C to +85Β°C) ensures reliability under hood. Designers must ensure proper power supply decoupling and use a crystal oscillator for accurate timing. The MCU's low power consumption in idle mode helps reduce battery drain when the engine is off.
Recommended
Industrial Automation
In industrial automation, the ST10F272M-4T3 excels in PLCs and motor drives. Its 16-bit core and rich peripherals enable precise control of conveyor systems, robotic arms, and CNC machines. The 10-bit ADC with 16 channels can monitor multiple analog sensors, while the PWM outputs drive motor drivers. The dual USARTs allow communication with HMI panels and fieldbus modules. The MCU's 5V logic is compatible with industrial 24V systems through level shifters. The large Flash memory stores complex control algorithms and user programs. The ST10 core's MAC unit accelerates PID loops and FFT for vibration analysis. In a typical motor drive, the ST10F272M-4T3 reads current and position sensors, computes control signals, and outputs PWM to an IGBT driver. The CAN interface connects to a central controller for coordinated motion. The device's industrial temperature range and high ESD robustness make it suitable for factory floors. Designers should implement proper isolation for communication interfaces and use optocouplers for high-voltage isolation.
Recommended
Motor Drives
The ST10F272M-4T3 is well-suited for motor drives, including BLDC and PMSM motors. Its high-speed PWM channels (up to 32 MHz) generate precise switching signals, while the 10-bit ADC samples phase currents and rotor position. The MAC unit executes FOC algorithms efficiently. The dual CAN interfaces enable multi-axis synchronization in robotics. The 5V supply simplifies gate driver interfacing. The MCU's 68KB RAM supports real-time data buffers for control loops. In a typical BLDC drive, the ST10F272M-4T3 reads Hall sensors or encoder feedback, computes commutation, and outputs six-step PWM to a three-phase inverter. The ADC monitors DC bus voltage for overvoltage protection. The device's fast interrupt response ensures minimal latency in fault handling. The wide temperature range allows operation in harsh environments. Designers must ensure proper dead-time insertion in PWM signals to prevent shoot-through. The MCU's PWM timers have built-in dead-time generators, simplifying design.
Recommended
Medical Monitoring
The ST10F272M-4T3 can be used in medical monitoring devices such as patient monitors and infusion pumps. Its low power consumption and high reliability are critical for continuous operation. The 10-bit ADC captures vital signs from sensors, while the USART interfaces transmit data to displays or central stations. The 5V supply is compatible with medical-grade power supplies. The large Flash memory stores patient data and firmware updates. The MCU's real-time capabilities ensure accurate timing for drug delivery. In a typical infusion pump, the ST10F272M-4T3 controls a stepper motor via PWM, monitors pressure sensors via ADC, and communicates with a user interface via USART. The device's industrial temperature range is sufficient for indoor medical environments. Designers must follow medical safety standards, including isolation and EMC. The MCU's built-in watchdog timer enhances system reliability.
Recommended
Networking Equipment
The ST10F272M-4T3 can be used in networking equipment like industrial switches and routers. Its dual CAN interfaces are useful for management protocols, while the USARTs connect to console ports. The 32 MHz clock provides sufficient throughput for packet processing in low-end devices. The 5V supply is common in networking gear. The large Flash memory stores firmware and configuration. The MCU's timers generate precise timeouts for protocol handling. In a typical industrial switch, the ST10F272M-4T3 manages the switch fabric, monitors link status via GPIO, and communicates with a host CPU via USART. The device's industrial temperature range suits factory networking. Designers should implement proper ESD protection on Ethernet ports. The MCU's low power consumption reduces heat in compact enclosures.
Recommended
Test and Measurement
The ST10F272M-4T3 is suitable for test and measurement instruments like data loggers and signal analyzers. Its high-speed ADC and timers enable accurate data acquisition. The 5V supply is compatible with bench instruments. The large Flash memory stores calibration data and measurement logs. The USART interfaces connect to PCs for data transfer. The MCU's MAC unit supports digital filtering. In a typical data logger, the ST10F272M-4T3 samples analog signals via ADC, timestamps them using timers, and stores data in Flash. The device's industrial temperature range allows use in field environments. Designers should implement proper shielding and grounding for accurate measurements. The MCU's low power consumption extends battery life in portable instruments.
Recommended
Recommended Products Summary
Engineering reference data for ST10F272M-4T3 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ST10F272M-4Q3 | ST10F272Z4T3 | ST10F276Z5T3 | SAK-XC164CS-16F40F |
|---|---|---|---|---|---|
| Package | TQFP-144 | PQFP-144 | TQFP-144 | TQFP-144 | TQFP-144 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Infineon |
| Core | ST10 16-bit | ST10 16-bit | ST10 16-bit | ST10 16-bit | C166 16-bit |
| Max Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 40 MHz |
| Flash | 832 KB | 832 KB | 512 KB | 832 KB | 128 KB |
| RAM | 68 KB | 68 KB | 32 KB | 68 KB | 6 KB |
| CAN Interfaces | 2 | 2 | 2 | 2 | 1 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
Key Differentiators
- Large Flash memory (832KB) for complex applications (vs ST10F272Z4T3)
- Dual CAN controllers for automotive networking (vs SAK-XC164CS-16F40F)
- Higher RAM (68KB) for data buffering (vs SAK-XC164CS-16F40F)
Design Notes
The ST10F272M-4T3 requires a stable 5V supply. Use a low-dropout regulator (LDO) with at least 100mA headroom. Place 100nF and 10uF decoupling capacitors close to each VDD pin. For noisy environments, add a ferrite bead in series with the supply.
For the TQFP-144 package, ensure proper solder paste stencil design to avoid bridging. Use a 0.5mm pitch land pattern. Provide a solid ground plane under the MCU to reduce noise. Keep high-speed traces short and away from analog inputs.
Do not leave unused pins floating; configure them as outputs or tie to ground. Ensure the reset pin has a proper RC circuit (10k pull-up and 100nF capacitor). Verify the clock source: use a 4-16 MHz crystal with load capacitors as specified in the datasheet.
Compliance Information
RoHS compliant per STMicroelectronics. Not AEC-Q100 qualified; for automotive, consider ST10F272M-4T3-Q1 variant if available.
