Overview
The TMS320F2812PGFS is a high-performance 32-bit microcontroller from Texas Instruments, part of the TMS320C28x DSP generation. This device is designed for demanding control applications, offering a robust set of features and peripherals that make it suitable for a wide range of industrial and automotive uses. The F2812 is known for its high-speed processing capabilities, extensive memory options, and advanced motor control peripherals, making it an ideal choice for complex control systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor | High-performance 32-bit CPU (TMS320C28x) |
| Frequency | 150 MHz (6.67-ns cycle time) |
| Voltage | 1.8-V core at 135 MHz, 1.9-V core at 150 MHz, 3.3-V I/O |
| Memory | Up to 128K × 16 flash, 1K × 16 OTP ROM, various SARAM blocks (L0, L1, H0, M0, M1), Boot ROM (4K × 16) |
| ADC | 12-bit ADC, 16 channels, 2 Sample-and-Hold, 12.5 MSPS conversion rate |
| GPIO | Up to 56 General-Purpose I/O (GPIO) pins |
| Package | 176-pin Low-Profile Quad Flatpack (LQFP) with external memory interface |
| Operating Temperature Range | –40°C to 125°C (AEC-Q100 qualification for automotive applications) |
| Security | 128-bit security key/lock to protect flash/OTP and SARAM |
Key Features
- High-performance static CMOS technology
- JTAG boundary scan support and IEEE Standard 1149.1-1990 compliance
- 16 × 16 and 32 × 32 MAC operations, 16 × 16 dual MAC
- Harvard bus architecture and atomic operations
- Fast interrupt response and processing, unified memory programming model
- Motor control peripherals including two Event Managers (EVA, EVB)
- Serial port peripherals: SPI, two SCIs (standard UART), eCAN, McBSP
- On-chip oscillator, watchdog timer module, and three external interrupts
- Peripheral Interrupt Expansion (PIE) block supporting 45 peripheral interrupts
- Three 32-bit CPU timers and low-power modes (IDLE, STANDBY, HALT)
- Advanced emulation features and real-time debug via hardware
Applications
The TMS320F2812PGFS is widely used in various demanding control applications, including:
- Industrial control systems
- Automotive control systems (with AEC-Q100 qualification)
- Motor control and drive systems
- Power management and conversion systems
- Medical devices requiring high-performance processing
- Aerospace and defense applications
Q & A
- What is the maximum operating frequency of the TMS320F2812PGFS?
The maximum operating frequency is 150 MHz with a cycle time of 6.67 ns.
- What types of memory are available on the TMS320F2812PGFS?
The device includes up to 128K × 16 flash, 1K × 16 OTP ROM, various SARAM blocks, and a 4K × 16 Boot ROM.
- What is the resolution and conversion rate of the ADC on the TMS320F2812PGFS?
The ADC is 12-bit with a conversion rate of 12.5 MSPS and includes two Sample-and-Hold units.
- Does the TMS320F2812PGFS support automotive applications?
- What are the key motor control peripherals on the TMS320F2812PGFS?
The device includes two Event Managers (EVA, EVB) and is compatible with 240xA devices.
- What are the low-power modes supported by the TMS320F2812PGFS?
The device supports IDLE, STANDBY, and HALT modes, along with the ability to disable individual peripheral clocks.
- What development tools are available for the TMS320F2812PGFS?
Development tools include ANSI C/C++ compiler/assembler/linker, Code Composer Studio™ IDE, DSP/BIOS™, and JTAG scan controllers.
- What is the package type and pin count of the TMS320F2812PGFS?
The device is available in a 176-pin Low-Profile Quad Flatpack (LQFP) package with an external memory interface.
- Does the TMS320F2812PGFS have any security features?
- What are the operating temperature ranges for the TMS320F2812PGFS?
The operating temperature ranges are –40°C to 85°C and –40°C to 125°C.
