Overview
The TMS320F2808, produced by Texas Instruments, is a high-performance 32-bit microcontroller (MCU) belonging to the C2000™ family and the TMS320C28x DSP generation. This device is designed for demanding control applications, particularly in areas such as motor control, power conversion, and other high-performance embedded systems. It features a high-performance static CMOS technology with a 100 MHz clock speed and a 10-ns cycle time, making it suitable for complex and real-time processing tasks.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Speed | 100 MHz (10-ns cycle time), 60 MHz (16.67-ns cycle time) |
| Core Voltage | 1.8 V |
| I/O Voltage | 3.3 V |
| Flash Memory | 64K × 16 |
| SARAM | 18K × 16 |
| OTP ROM | 1K × 16 |
| Boot ROM | 4K × 16 |
| PWM Outputs | Up to 16 |
| HRPWM Outputs | Up to 6 with 150-ps MEP resolution |
| Capture Inputs | Up to four |
| Quadrature Encoder Interfaces | Up to two |
| ADC | 12-bit, 16 channels |
| GPIO Pins | Up to 35 individually programmable, multiplexed GPIO pins with input filtering |
| Package Options | Thin quad flatpack (PZ), MicroStar BGA™ (GGM, ZGM) |
| Temperature Range | A: –40°C to 85°C, S: –40°C to 125°C, Q: –40°C to 125°C (AEC-Q100 qualification for automotive applications) |
Key Features
- High-performance 32-bit CPU (TMS320C28x) with 16 × 16 and 32 × 32 MAC operations and 16 × 16 dual MAC.
- Harvard bus architecture and atomic operations for efficient processing.
- Fast interrupt response and processing with unified memory programming model.
- JTAG boundary scan support and IEEE Standard 1149.1-1990 compliance.
- Enhanced control peripherals including up to 16 PWM outputs and up to 6 HRPWM outputs with 150-ps MEP resolution.
- Up to four capture inputs and up to two quadrature encoder interfaces.
- 12-bit ADC with 16 channels, single/simultaneous conversions, and fast conversion rates.
- Advanced emulation features with analysis and breakpoint functions, and real-time debug via hardware.
- Development support includes ANSI C/C++ compiler/assembler/linker, Code Composer Studio™ IDE, SYS/BIOS, and digital motor control and digital power software libraries.
- Low-power modes (IDLE, STANDBY, HALT) and power savings by disabling individual peripheral clocks.
- 128-bit security key/lock to protect flash/OTP/L0/L1 blocks and prevent firmware reverse-engineering.
Applications
The TMS320F2808 is highly suited for various demanding control applications, including:
- Digital motor control: The device's advanced PWM and quadrature encoder interfaces make it ideal for motor control applications.
- Digital power conversion: Its high-performance CPU and enhanced control peripherals are beneficial for power conversion systems.
- Automotive systems: The device is AEC-Q100 qualified, making it suitable for automotive applications that require high reliability and performance.
- Industrial control systems: It can be used in industrial automation, robotics, and other high-performance embedded systems.
Q & A
- What is the maximum clock speed of the TMS320F2808?
The TMS320F2808 operates at a maximum clock speed of 100 MHz with a 10-ns cycle time.
- What is the core voltage of the TMS320F2808?
The core voltage of the TMS320F2808 is 1.8 V.
- How much flash memory does the TMS320F2808 have?
The TMS320F2808 has 64K × 16 flash memory.
- What is the resolution of the HRPWM outputs on the TMS320F2808?
The HRPWM outputs on the TMS320F2808 have a resolution of 150 ps.
- Does the TMS320F2808 support JTAG boundary scan?
Yes, the TMS320F2808 supports JTAG boundary scan and complies with IEEE Standard 1149.1-1990.
- What are the low-power modes supported by the TMS320F2808?
The TMS320F2808 supports IDLE, STANDBY, and HALT low-power modes.
- What is the temperature range for the TMS320F2808?
The temperature range for the TMS320F2808 is –40°C to 85°C (A), –40°C to 125°C (S), and –40°C to 125°C (Q) for automotive applications.
- Does the TMS320F2808 have any security features?
Yes, the TMS320F2808 has a 128-bit security key/lock to protect flash/OTP/L0/L1 blocks and prevent firmware reverse-engineering.
- What development tools are available for the TMS320F2808?
Development tools include ANSI C/C++ compiler/assembler/linker, Code Composer Studio™ IDE, SYS/BIOS, and digital motor control and digital power software libraries.
- What types of ADC conversions does the TMS320F2808 support?
The TMS320F2808 supports single and simultaneous ADC conversions with fast conversion rates.
- Can the TMS320F2808 be used in automotive applications?
Yes, the TMS320F2808 is AEC-Q100 qualified, making it suitable for automotive applications.
