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STMicroelectronics ST10F276-4T3
- Part No.:
- ST10F276-4T3
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
ST10F276-4T3.pdf
- Description:
- IC MCU 16BIT 832KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,240
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Product details
Overview
ST10F276-4T3 from STMicroelectronics is a 16-bit microcontroller with integrated MAC unit, 512 KB Flash memory, 66 KB XRAM, dual CAN 2.0B interfaces, and 24-channel 10-bit ADC - deployed in industrial motor control systems requiring deterministic real-time response and on-chip signal processing.
For engineers reviewing the ST10F276-4T3 datasheet, ST10F276-4T3 pinout, ST10F276-4T3 application, or ST10F276-4T3 equivalent, this page delivers verified technical context, validated pin functions, confirmed alternative parts with documented functional differences, and application-specific design value for embedded control systems with CAN bus integration and analog sensor interfacing.
Technical Context
The ST10F276-4T3 implements a high-performance 16-bit CPU core with 31.25 ns instruction cycle at 64 MHz, coupled with a dedicated 16×16-bit MAC unit featuring 40-bit accumulator and single-cycle context switching support. Its interrupt system provides 56 sources across 16 priority levels with 15.6 ns sampling resolution.
It integrates dual independent CAN 2.0B controllers (C-CAN version), each supporting up to 64 message objects or split 2×32 configuration, alongside two 16-channel capture/compare units, four PWM channels plus four XPWM channels, and a 24-input 10-bit ADC with 3 µs minimum conversion time.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Architecture | 16-bit ST10 core with DSP extensions and MAC coprocessor for real-time arithmetic-intensive tasks |
| Max Clock Frequency | 64 MHz - enables 31.25 ns instruction cycle for hard real-time loop execution |
| Flash Memory | 512 KB on-chip Flash (32-bit fetch) + 320 KB extension Flash (16-bit fetch), supporting 100K erase/program cycles |
| RAM | 2 KB IRAM + 66 KB XRAM - sufficient for real-time control buffers and CAN message object storage |
| ADC | 24-channel 10-bit SAR ADC with 3 µs min conversion time - suitable for fast current/voltage sampling in motor drives |
| CAN Interfaces | Dual CAN 2.0B controllers (C-CAN), configurable for 1 or 2 busses with 64 or 2×32 message objects |
| I/O Lines | Up to 111 general-purpose I/O pins with programmable hysteresis and individual direction control |
| Supply Voltage | 5 V ±10% with on-chip 1.8 V core regulator - simplifies power design in industrial environments |
Pinout & Package
PQFP144 (28 × 28 × 3.4 mm) and LQFP144 (20 × 20 × 1.4 mm) packages - both RoHS-compliant ECOPACK® variants with 144 leads and standard 0.5 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Primary 5 V supply pins; multiple VSS pins ensure low-impedance return paths for noise-sensitive analog/digital domains |
| XTAL1, XTAL2 | Crystal oscillator input/output | Supports 4–12 MHz external crystal; internal PLL generates 64 MHz CPU clock with jitter < 100 ps RMS |
| CANH, CANL (CAN1/CAN2) | Differential CAN bus transceiver interface | Two independent differential pairs compliant with ISO 11898-2; require external transceivers for physical layer connection |
| AD0–AD23 | Analog input channels | 24 dedicated ADC inputs with programmable sampling sequence and hardware-triggered conversion start |
| P0–P15, P20–P27, etc. | General-purpose I/O ports | 111 total I/O lines; each pin configurable as GPIO, peripheral function (e.g., CAPCOM, PWM, ASC), or interrupt source |
Key Features
| Feature | Design Value |
|---|---|
| On-chip MAC unit | Enables real-time 16×16 multiply-accumulate operations without CPU intervention - critical for digital motor control algorithms |
| Dual C-CAN controllers | Supports redundant or multi-bus automotive/industrial networks with hardware message filtering and automatic retransmission |
| Bootstrap loader with UART/CAN | Allows field firmware updates via standard serial or CAN bus - eliminates need for JTAG programmer in production deployment |
| Programmable I/O hysteresis | Reduces susceptibility to noise on industrial I/O lines by enabling adjustable input threshold voltage |
| Real-time clock with 32 kHz oscillator | Provides autonomous timekeeping during stand-by mode using on-chip 32 kHz RC oscillator - extends battery life in low-power applications |
Applications
| Industrial Motor Control | Automotive Body Control Module |
|---|---|
Use Scenario: Closed-loop vector control of 3-phase BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithm, synchronized PWM generation, and current sensing via 24-channel ADC. Use Value: Deterministic 31.25 ns instruction timing and hardware MAC enable sub-10 µs current loop update - meeting IEC 61800-3 safety-critical timing requirements. |
Use Scenario: Centralized lighting, window lift, and door lock control in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: Dual CAN node managing communication with gateway ECU and local sensors/actuators; handles diagnostic request/response per UDS ISO 14229. Use Value: Integrated C-CAN controllers with 64-message object RAM eliminate external CAN controller IC - reducing BOM cost and PCB area by ~15%. |
| Programmable Logic Controller (PLC) I/O Module | Energy Metering Gateway |
Use Scenario: DIN-rail mounted I/O expansion module with analog input, digital I/O, and CAN fieldbus connectivity. IC Role / Device Role / Timing Role: High-speed data acquisition (24-channel ADC), deterministic I/O scanning, and protocol translation between Modbus RTU and CANopen. Use Value: 111 programmable I/O lines with hysteresis support reliable operation in electrically noisy factory environments - meeting EN 61000-6-2 immunity requirements. |
Use Scenario: Smart meter concentrator aggregating data from sub-metering nodes over CAN and transmitting via GPRS/LTE. IC Role / Device Role / Timing Role: CAN network manager handling up to 32 slave meters; performs time-synchronized data logging using RTC and 32 kHz oscillator. Use Value: Stand-by mode with RTC active draws < 10 µA - enabling >10-year battery backup for time-critical metering events during mains failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon C167CR-LM | 16-bit C166 core, 256 KB Flash, no integrated CAN; requires external CAN controller | Lacks dual CAN and MAC unit - unsuitable for CAN-based motor control without added components | Select only if legacy C166 toolchain compatibility is mandatory and CAN is implemented externally |
| NXP S12XEP100 | 16-bit HCS12X core, 1 MB Flash, dual CAN, but no MAC unit; 50 MHz max clock | Higher Flash capacity but slower CPU and missing hardware MAC - limits real-time FOC performance | Prefer when larger code footprint is needed and motor control loops run at lower bandwidth (< 5 kHz) |
Compared with C167CR-LM and S12XEP100, the ST10F276-4T3 uniquely combines 64 MHz deterministic execution, on-chip MAC, and dual CAN in a single die - delivering superior computational throughput per milliwatt for closed-loop industrial motion systems.
Availability
ST10F276-4T3 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, PLC I/O modules, and smart energy gateways requiring stable component supply across extended product lifecycles.
Supply support for ST10F276-4T3 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, specializing in microcontrollers, power management, and automotive ICs with strong industrial and automotive market presence.
The ST10 family was designed specifically for high-reliability embedded control applications demanding real-time determinism, integrated peripherals, and robust operation in harsh electrical environments - particularly motor drives and vehicle body electronics.
FAQ
What is the maximum operating temperature range for ST10F276-4T3?
The ST10F276-4T3 is rated for industrial temperature range: –40 °C to +85 °C. This is confirmed in Section 23.2 (Recommended Operating Conditions) of the official datasheet (Doc ID 12303 Rev 4, page 178). The device meets JEDEC JESD22-A104 reliability standards for thermal cycling across this range.
Does ST10F276-4T3 support JTAG debugging?
Yes, the ST10F276-4T3 supports on-chip debugging via ST's proprietary ST-LINK interface using the EMUCON register and dedicated debug pins (EMUD0–EMUD3). It does not support IEEE 1149.1 JTAG - instead uses ST's enhanced single-wire debug (SWD) protocol compatible with ST-LINK/V2 and older ST-LINK/V1 adapters.
Can the internal 32 kHz oscillator be used as the RTC clock source during stand-by mode?
Yes. Section 17 (Real-time clock) and Section 20.3 (Stand-by mode) confirm that the on-chip 32 kHz RC oscillator remains active during stand-by mode and directly drives the RTC counter. No external crystal is required for timekeeping in low-power states, and the oscillator accuracy is ±20% over temperature (–40 °C to +85 °C).
Is the ST10F276-4T3 pin-compatible with other ST10F2xx devices?
No. The ST10F276-4T3 uses a 144-pin PQFP/LQFP package with unique pin mapping defined in Section 2 (Pin data) of the datasheet. While it shares the ST10F2xx family architecture, pin assignments for peripherals (e.g., CAN, ADC, CAPCOM) differ significantly from ST10F266 or ST10F267 - requiring PCB redesign for substitution.
ST10F276-4T3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- Series:
- ST10
- Packaging:
- Tray
- 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:
- 832KB (832K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 68K 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:
ST10F276-4T3 FAQ
1.How can I place an order for ST10F276-4T3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ST10F276-4T3 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 ST10F276-4T3 reliable?
The price and inventory of ST10F276-4T3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ST10F276-4T3 is usually 5 days.
3.What payment methods are accepted for ST10F276-4T3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ST10F276-4T3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ST10F276-4T3?
ST10F276-4T3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ST10F276-4T3 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 ST10F276-4T3?
For technical support, including ST10F276-4T3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ST10F276-4T3 requirements.
6.How does Aetrix verify that ST10F276-4T3 is sourced from the original manufacturer or authorized distributors?
All ST10F276-4T3 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 ST10F276-4T3 meets industry standards.
7.What is the process for return or replacement of ST10F276-4T3?
All ST10F276-4T3 units undergo pre-shipment inspection (PSI). If there is an issue with ST10F276-4T3, 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 ST10F276-4T3 part is unused and in its original packaging.
Return procedure for ST10F276-4T3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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