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STMicroelectronics ST10F296
- Part No.:
- ST10F296
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 208-PBGA
- Datasheet:
-
ST10F296.pdf
- Description:
- IC MCU 16BIT 832KB FLASH 208PBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,981
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Product details
Overview
ST10F296 from STMicroelectronics is a high-performance 16-bit microcontroller with integrated MAC unit, 832 KB Flash (512 KB + 320 KB), 68 KB RAM (2 KB IRAM + 66 KB XRAM), dual CAN 2.0B interfaces, and 32-channel 10-bit ADC for industrial motor control and automotive body electronics.
For engineers reviewing the ST10F296 datasheet, ST10F296 pinout, ST10F296 application, or ST10F296 equivalent, this MCU supports real-time deterministic execution at 64 MHz, on-chip PLL clock generation, fail-safe watchdog and oscillator monitoring, and bootloading via UART/CAN - critical for safety-critical embedded firmware updates and multi-bus vehicle networks.
Technical Context
The ST10F296 implements a 16-bit CISC CPU with hardware MAC coprocessor enabling single-cycle 16×16 multiply and 40-bit accumulate operations, optimized for digital power conversion and sensor fusion algorithms. Its memory architecture separates IFlash (32-bit fetch) and XFlash (16-bit fetch) to sustain instruction throughput under mixed code/data access patterns.
Interrupt handling uses an 16-level priority system with 56 sources and 15.6 ns sampling resolution, coupled with an 8-channel peripheral event controller for zero-latency DMA-like data transfers. Dual CAN controllers support both single-bus (64 message objects) and dual-bus (2×32) configurations with C-CAN compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | 16-bit ST10 CISC with MAC coprocessor; enables real-time DSP tasks like PID loop computation without external math ICs. |
| Max Clock Frequency | 64 MHz (31.25 ns instruction cycle); achieved via on-chip PLL with 4–12 MHz crystal input. |
| Flash Memory | 832 KB total (512 KB IFlash + 320 KB XFlash); supports 100 k erase/program cycles and linear 16 MB address space. |
| RAM | 68 KB total (2 KB IRAM + 66 KB XRAM); IRAM provides zero-wait-state access for time-critical variables. |
| ADC | 32-channel 10-bit SAR ADC with 3 µs min conversion time; includes timer-triggered channel injection for synchronized sampling. |
| CAN Interfaces | Dual CAN 2.0B controllers (C-CAN); configurable for one bus (64 msg objects) or two independent buses (2×32). |
| I/O Lines | Up to 143 general-purpose pins; individually configurable as input/output/special function with programmable hysteresis. |
| Supply Voltage | 5 V ±10% single supply; internal regulator generates 1.8 V core voltage for low-power operation. |
Pinout & Package
Packaged in PBGA208 (23 × 23 × 1.96 mm), the ST10F296 features a 208-ball grid array with dedicated power/ground ball mapping, differential clock inputs, dual CAN transceiver pins (CANH/CANL per interface), and multiplexed port banks (Port 0–Port 8, XPort 9/XPort 10) supporting up to 143 usable I/O signals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated balls for core (1.8 V) and I/O (5 V) domains; decoupling required per datasheet layout guidelines. |
| OSCIN/OSCOUT | Crystal oscillator input/output | Accepts 4–12 MHz fundamental-mode quartz; drives internal PLL for 64 MHz system clock. |
| CAN1H/CAN1L | CAN bus differential pair #1 | Direct connection to ISO 11898-compliant transceiver; supports up to 1 Mbps bit rate. |
| CAN2H/CAN2L | CAN bus differential pair #2 | Independent physical layer interface; enables redundant or multi-domain vehicle network topologies. |
| AD0–AD31 | ADC analog input channels | 32 dedicated pins mapped to internal 10-bit SAR converter; support simultaneous sampling via timer trigger. |
| P0.0–P8.7, XP9.0–XP10.7 | General-purpose I/O ports | 143 total pins; each configurable as GPIO, alternate function (e.g., ASC, SSC, PWM), or analog input with hysteresis control. |
Key Features
| Feature | Design Value |
|---|---|
| MAC coprocessor | Hardware 16×16 multiplier + 40-bit accumulator enables <1 µs PID execution - critical for servo motor current loop control. |
| Dual CAN 2.0B controllers | Supports fault-tolerant architectures: one bus for powertrain, second for body electronics - no external arbitration logic needed. |
| Programmable external bus | Five chip-select signals with independent timing control allow seamless interfacing with legacy peripherals (SRAM, EPROM, FPGA). |
| On-chip bootstrap loader | UART (RS232/K-line) and CAN-based firmware update capability eliminates need for external programming hardware in field deployments. |
| Fail-safe protection | Dual watchdog (programmable + oscillator watchdog) detects both software hang and clock failure - meets ASIL-B readiness requirements. |
| Real-time clock (RTC) | Independent 32.768 kHz timekeeping circuit with battery-backup support for timestamping and wake-up scheduling. |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and pump systems. IC Role / Device Role / Timing Role: Primary MCU executing FOC algorithm, ADC-sampled current feedback, and 4-channel XPWM gate drive timing. Use Value: 3 µs ADC conversion + MAC unit enables sub-10 µs current loop update - meeting IEC 60034-30 efficiency class IE4 response requirements. |
Use Scenario: Central gateway managing door locks, lighting, wipers, and seat position memory in mid-tier vehicles. IC Role / Device Role / Timing Role: Dual-CAN hub coordinating LIN subnets and diagnostic communication (UDS over CAN). Use Value: 2×32 CAN message objects allow concurrent handling of high-priority safety messages (e.g., brake status) and low-priority comfort functions (e.g., mirror fold). |
| Programmable Logic Controllers | Energy Metering Systems |
Use Scenario: DIN-rail mounted PLC executing ladder logic with analog I/O expansion and Modbus RTU communication. IC Role / Device Role / Timing Role: Real-time controller with 143 GPIOs for discrete I/O, ASC/SSC for RS485, and RTC for event logging. Use Value: Hold-acknowledge bus arbitration enables deterministic expansion bus access across multiple I/O modules - reducing scan cycle jitter below 100 µs. |
Use Scenario: DIN-rail polyphase electricity meter with harmonic analysis and tamper detection. IC Role / Device Role / Timing Role: ADC front-end processor performing 32-channel synchronized sampling of voltage/current transformers. Use Value: Timer-triggered ADC injection ensures phase-aligned sampling across all 3 phases - enabling IEEE 1459-compliant active/reactive power calculation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit automotive-grade microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon C167CR-LM | 16-bit C166 core, 512 KB Flash, single CAN, no MAC unit; 40 MHz max clock. | Lacks dual CAN and hardware MAC - unsuitable for multi-bus vehicle networks or real-time motor control. | Select only if cost-sensitive designs require basic CAN+ADC functionality without computational acceleration. |
| Renesas M16C/62P | 16-bit M16C core, 256 KB Flash, 16 KB RAM, single CAN, 20 MHz max clock. | Lower performance envelope and memory capacity; no XRAM extension or external bus arbitration. | Consider for legacy replacement where footprint compatibility and minimal feature set are prioritized over scalability. |
Compared with C167CR-LM and M16C/62P, the ST10F296 delivers 60% higher instruction throughput, dual-CAN redundancy, and hardware-accelerated math - making it uniquely suited for next-generation industrial drives requiring functional safety and field-upgradable firmware.
Availability
ST10F296 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, programmable logic controllers, and energy metering systems requiring stable component supply across extended temperature ranges (−40 °C to +125 °C).
Supply support for ST10F296 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, sensors, and automotive ICs with broad industrial and automotive qualification coverage.
The ST10 family was designed specifically for deterministic real-time control in harsh environments - emphasizing high-speed interrupt response, on-chip safety mechanisms, and robust peripheral integration for engine management, traction control, and factory automation.
FAQ
Is the ST10F296 still in active production?
No - STMicroelectronics has marked the ST10F296 as obsolete (as confirmed in the October 2008 datasheet revision). However, Aetrix Electronics maintains legacy inventory with full traceability and offers extended lifecycle support including obsolescence forecasting, cross-reference assistance, and last-time-buy coordination for ongoing production programs.
What debug interface does the ST10F296 support?
The ST10F296 supports JTAG-based debugging via its dedicated TDI/TDO/TCK/TMS pins, compatible with ST's STICK and third-party ICE tools. It also enables in-circuit programming through the on-chip UART or CAN bootstrap loader - eliminating the need for dedicated debug headers in space-constrained designs.
Can the ST10F296 operate without an external crystal?
Yes - the device includes an on-chip PLL and supports direct clock input (1–64 MHz) on the OSCIN pin, bypassing the crystal oscillator. However, for CAN timing accuracy and RTC stability, ST recommends using a 4–12 MHz crystal with the internal oscillator circuit, as specified in Section 10.3 of the datasheet.
How is flash memory protected against accidental overwrite?
Flash protection is implemented via dedicated registers (FLASHCON0/1) enabling sector-level write/erase lock, temporary unprotection sequences, and access-protection bits. The bootloader enforces signature checks before allowing reprogramming - preventing unauthorized firmware modification during field updates via UART or CAN.
ST10F296 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 208-PBGA
- Series:
- ST10
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ST10
- Core Size:
- 16-Bit
- Speed:
- 64MHz
- Connectivity:
- ASC, CANbus, EBI/EMI, I2C, SSC, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 143
- 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 32x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
ST10F296 FAQ
1.How can I place an order for ST10F296 through Aetrix?
Please submit a Request for Quotation (RFQ) for ST10F296 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 ST10F296 reliable?
The price and inventory of ST10F296 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ST10F296 is usually 5 days.
3.What payment methods are accepted for ST10F296?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ST10F296 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ST10F296?
ST10F296 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ST10F296 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 ST10F296?
For technical support, including ST10F296 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ST10F296 requirements.
6.How does Aetrix verify that ST10F296 is sourced from the original manufacturer or authorized distributors?
All ST10F296 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 ST10F296 meets industry standards.
7.What is the process for return or replacement of ST10F296?
All ST10F296 units undergo pre-shipment inspection (PSI). If there is an issue with ST10F296, 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 ST10F296 part is unused and in its original packaging.
Return procedure for ST10F296:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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