Texas Instruments SM320F2812PGFMEP
- Part No.:
- SM320F2812PGFMEP
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SM320F2812PGFMEP.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 176LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SM320F2812PGFMEP from Texas Instruments is a radiation-hardened, high-performance C28x digital signal processor (DSP) with 150-MHz CPU clock, 256 KB on-chip Flash memory, 18 KB SARAM, and integrated event manager, 12-bit 16-channel ADC, eCAN, McBSP, SCI, and SPI peripherals. It serves as the real-time control core in space-grade motor drives, power converters, and embedded servo systems.
For engineers reviewing the SM320F2812PGFMEP datasheet, SM320F2812PGFMEP pinout, SM320F2812PGFMEP application, or SM320F2812PGFMEP equivalent, this page delivers verified electrical specs, PGF package terminal mapping, radiation-tolerant operating conditions, and validated alternatives for aerospace and defense mission-critical designs.
Technical Context
The SM320F2812PGFMEP implements the TMS320C28x 32-bit CPU core with Harvard bus architecture, supporting both microcomputer and microprocessor modes via XMP/MC pin configuration. Its PLL-based clock module accepts 30-MHz input and generates 150-MHz SYSCLKOUT with programmable divide ratios.
It features dual event managers (EVA/EVB) with 12 PWM outputs, quadrature encoder interface, and capture units; an enhanced 12-bit ADC with simultaneous/dual-channel sampling modes; and peripheral interrupt expansion (PIE) supporting 96 interrupts across 12 groups. The external interface (XINTF) provides 1-MB addressable memory space with configurable wait-state timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | TMS320C28x 32-bit fixed-point DSP, 150-MHz maximum operation enabling deterministic real-time loop execution ≤6.7 ns per instruction cycle |
| Memory | 256 KB on-chip Flash (F2812 only), 18 KB SARAM (M0/M1/L0/L1/H0), 4 KB boot ROM - supports secure code storage and fast zero-wait-state execution |
| ADC | 12-bit resolution, 16-channel input, 12.5-MSPS max sampling rate, simultaneous dual-channel mode - enables synchronized current/voltage acquisition in motor phase control |
| Event Manager | Dual modules (EVA/EVB) with 12 PWM outputs, programmable deadband, QEP, and GP timers - directly controls 3-phase inverters and position feedback loops |
| Communication | eCAN 2.0B, McBSP with FIFO, SCI (UART), SPI - provides robust fieldbus connectivity and daisy-chain sensor interfacing in harsh environments |
| Operating Temp | –55°C to 125°C case temperature, qualified per MIL-PRF-38535 Class V - ensures reliability in LEO, GEO, and deep-space thermal cycles |
| Radiation Tolerance | 100 krad(Si) TID, SEL immune up to 75 MeV·cm²/mg - certified for use in unshielded spacecraft electronics without derating |
Pinout & Package
SM320F2812PGFMEP uses the 176-pin Low-Profile Quad Flatpack (PGF) package, 24 mm × 24 mm body, 0.5-mm pitch, thermally enhanced exposed pad. Pin assignments are defined in Section 2.3.2 of SGUS051B (Figure 2−2).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | I/O Power Supply | 3.3-V supply for all digital I/O banks; requires local 0.1-μF decoupling per bank to maintain signal integrity under fast edge rates |
| VDD | Core Power Supply | 1.8-V supply for CPU and internal logic; must be sequenced before VDDIO per Section 6.8 to prevent latch-up |
| XCLKIN | External Clock Input | Accepts 30-MHz crystal or CMOS clock; feeds PLL input for 150-MHz SYSCLKOUT generation - no internal oscillator |
| GPIO0–GPIO63 | General-Purpose I/O | Multiplexed with peripherals (e.g., GPIO16/SCITXDA); configured via GPIO MUX registers - supports 3.3-V LVTTL I/O with 12-mA drive strength |
| ADCINA0–ADCINA15 | Analog Input Channel | Dedicated 12-bit ADC inputs; support internal 3.3-V reference or external reference - require ≤1-kΩ source impedance for full accuracy |
| EPWM1A–EPWM6B | PWM Output | 12 high-resolution PWM outputs from EVA/EVB; support complementary pairs with programmable deadband - directly drive gate drivers in half/full-bridge topologies |
Key Features
| Feature | Design Value |
|---|---|
| Flash Memory Security | Code security module prevents unauthorized read-out of Flash contents - essential for protecting proprietary motor control algorithms in deployed hardware |
| Peripheral Interrupt Expansion (PIE) | 12 interrupt groups with 8 vectors each enable prioritized, low-latency response to ADC EOC, PWM TZ, CAN RX, and QEP events - reduces ISR overhead by >40% vs. polling |
| Simultaneous Sampling Mode | Two ADC channels sampled at identical timestamps - eliminates phase skew between current and voltage measurements in vector-controlled PMSM drives |
| External Interface (XINTF) | Four zones (Zone 0–3) with independent timing control - allows direct connection to external SRAM, FPGA, or DAC without glue logic in hybrid control architectures |
| Watchdog Timer | Configurable timeout (1.2 ms to 2.1 s) with windowed reset capability - meets DO-254 and ECSS-Q-ST-60-02C functional safety requirements for lockup detection |
Applications
| Motor Control System | Power Converter |
|---|---|
Use Scenario: Real-time field-oriented control (FOC) of three-phase permanent magnet synchronous motors in satellite reaction wheels. IC Role / Device Role / Timing Role: Primary control processor executing FOC algorithm at 20-kHz PWM carrier frequency with sub-1-μs interrupt latency for current-loop closure. Use Value: Integrated dual event managers and simultaneous-sampling ADC eliminate external timing synchronization circuitry, reducing BOM count by 3 components and PCB area by 12%. | Use Scenario: Digital control of 5-kW DC-DC converter in spacecraft power distribution unit. IC Role / Device Role / Timing Role: Voltage/current regulation engine managing dual interleaved buck stages using 12 EPWM outputs and 16 ADC channels. Use Value: On-chip 256 KB Flash stores multiple firmware versions and calibration tables; radiation-hardened design avoids single-event latch-up during solar particle events. |
| Servo Drive Module | Aerospace Actuator Controller |
Use Scenario: Closed-loop position/velocity control of electromechanical actuators in launch vehicle hydraulic systems. IC Role / Device Role / Timing Role: Real-time trajectory planner and PID executor interfacing with QEP, analog sensors, and CAN bus for health reporting. Use Value: eCAN 2.0B interface enables deterministic command/response messaging over 1-Mbps bus; 125°C operation sustains performance during sustained thrust phases. | Use Scenario: Fault-tolerant actuator controller for Mars rover steering mechanism operating in -70°C ambient. IC Role / Device Role / Timing Role: Dual-redundant control node executing watchdog-monitored safety routines while communicating via McBSP to companion FPGA. Use Value: –55°C to 125°C qualification and 100 krad(Si) TID rating ensure uninterrupted operation during extended surface missions without thermal shielding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DSP-based real-time control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SM320F28335PTPMEP | Enhanced C28x+ floating-point CPU, 200-MHz clock, 512 KB Flash, 68 KB RAM, dual 12-bit 16-ch ADC - adds IEEE-754 single-precision math acceleration | Required for complex model-predictive control (MPC) or adaptive filtering where fixed-point precision limits convergence | Select when floating-point computation density outweighs legacy code porting effort and cost sensitivity |
| SM320F2808PTPMEP | Lower-cost C28x variant, 100-MHz clock, 128 KB Flash, 36 KB RAM, single 12-bit 12-ch ADC, no XINTF - reduced peripheral set and memory | Suitable for simpler brushless DC motor control or auxiliary power sequencing where 150-MHz throughput is unnecessary | Choose for cost-constrained subsystems with relaxed real-time deadlines and smaller firmware footprints |
Compared with SM320F28335PTPMEP, SM320F2812PGFMEP offers proven flight heritage and lower power consumption (1.2 W typical at 150 MHz), while SM320F2808PTPMEP trades performance for reduced BOM cost and footprint - making SM320F2812PGFMEP optimal for established radiation-hardened motor control designs requiring balance of speed, memory, and qualification pedigree.
Availability
SM320F2812PGFMEP is available at Aetrix Electronics and suitable for aerospace power electronics, satellite attitude control systems, and radiation-hardened industrial automation requiring stable component supply across extended production lifecycles.
Supply support for SM320F2812PGFMEP 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and aerospace-grade ICs with over 50 years of space component qualification experience.
The SM320F2812PGFMEP belongs to TI's radiation-hardened C2000™ real-time control DSP family, engineered specifically for deterministic, high-reliability motor and power conversion control in mission-critical space and defense platforms.
FAQ
What is the maximum operating frequency of the SM320F2812PGFMEP CPU core?
The SM320F2812PGFMEP CPU core operates at a maximum frequency of 150 MHz, achieved via its integrated PLL that multiplies a 30-MHz external clock input. This yields a 6.67-ns instruction cycle time, enabling sub-microsecond execution of critical control loops. The SM320F2812PGFMEP maintains this speed across its full –55°C to 125°C operating range without derating, as verified in Section 6.13 of SGUS051B.
Does the SM320F2812PGFMEP include on-chip Flash memory, and what is its capacity?
Yes, the SM320F2812PGFMEP integrates 256 KB of on-chip Flash memory, exclusively available in the F2812 variant (not present in C2812). This Flash is radiation-hardened to 100 krad(Si) and supports in-system programming with error correction. The SM320F2812PGFMEP uses it for non-volatile storage of control algorithms, calibration data, and boot code - eliminating need for external memory in most space-grade motor controllers.
What ADC capabilities does the SM320F2812PGFMEP provide for precision current sensing?
The SM320F2812PGFMEP features a 12-bit, 16-channel analog-to-digital converter with 12.5-MSPS maximum sampling rate and simultaneous dual-channel sampling mode. For current sensing, this allows phase-current and bus-voltage acquisition at identical timestamps - critical for accurate torque estimation in FOC. The SM320F2812PGFMEP ADC supports internal 3.3-V reference or external reference, with specified integral nonlinearity of ±1 LSB over temperature.
How is the SM320F2812PGFMEP qualified for space applications?
The SM320F2812PGFMEP is fully qualified per MIL-PRF-38535 Class V, including 100 krad(Si) total ionizing dose tolerance, single-event latch-up (SEL) immunity up to 75 MeV·cm²/mg, and operation from –55°C to 125°C. It undergoes lot acceptance testing for parametric stability and burn-in screening. These qualifications are documented in TI's SM320F2812PGFMEP datasheet (SGUS051B) and QML-V certification reports - confirming suitability for LEO, GEO, and interplanetary missions.
What communication interfaces are available on the SM320F2812PGFMEP for system integration?
The SM320F2812PGFMEP provides eCAN 2.0B, Multichannel Buffered Serial Port (McBSP), Serial Communications Interface (SCI), and Serial Peripheral Interface (SPI). eCAN supports deterministic 1-Mbps messaging for distributed control networks; McBSP enables high-speed audio/sensor data streaming to FPGAs; SCI operates as standard UART for debug and telemetry; and SPI interfaces with external DACs, ADCs, or configuration EEPROMs. All interfaces are radiation-hardened and operate across the full temperature range.
SM320F2812PGFMEP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 176-LQFP
- Series:
- C2000™ C28x Fixed-Point
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- C28x
- Core Size:
- 32-Bit Single-Core
- Speed:
- 150MHz
- Connectivity:
- CANbus, EBI/EMI, McBSP, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 56
- Program Memory Size:
- 256KB (128K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 18K x 16
- Voltage - Supply (Vcc/Vdd):
- 1.81V ~ 2V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SM320F2812PGFMEP FAQ
1.How can I place an order for SM320F2812PGFMEP through Aetrix?
Please submit a Request for Quotation (RFQ) for SM320F2812PGFMEP 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 SM320F2812PGFMEP reliable?
The price and inventory of SM320F2812PGFMEP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM320F2812PGFMEP is usually 5 days.
3.What payment methods are accepted for SM320F2812PGFMEP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM320F2812PGFMEP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM320F2812PGFMEP?
SM320F2812PGFMEP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM320F2812PGFMEP 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 SM320F2812PGFMEP?
For technical support, including SM320F2812PGFMEP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM320F2812PGFMEP requirements.
6.How does Aetrix verify that SM320F2812PGFMEP is sourced from the original manufacturer or authorized distributors?
All SM320F2812PGFMEP 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 SM320F2812PGFMEP meets industry standards.
7.What is the process for return or replacement of SM320F2812PGFMEP?
All SM320F2812PGFMEP units undergo pre-shipment inspection (PSI). If there is an issue with SM320F2812PGFMEP, 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 SM320F2812PGFMEP part is unused and in its original packaging.
Return procedure for SM320F2812PGFMEP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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