Overview
The TMS320F2808GBAS from Texas Instruments is a high-performance 32-bit microcontroller (MCU) belonging to the C2000™ family. This device is designed for demanding control applications, particularly in areas such as digital motor control, digital power, and other high-performance control systems. It features a high-performance static CMOS technology and operates at frequencies of up to 100 MHz with a 10-ns cycle time, or 60 MHz with a 16.67-ns cycle time. The MCU is known for its low-power design, with a 1.8-V core and 3.3-V I/O, making it suitable for a wide range of applications where power efficiency is crucial.
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 |
| On-Chip Memory | 64K × 16 flash, 18K × 16 SARAM |
| CPU Type | High-performance 32-bit CPU (TMS320C28x) |
| MAC Operations | 16 × 16 and 32 × 32 MAC operations, 16 × 16 dual MAC |
| Bus Architecture | Harvard bus architecture |
| ADC | 12-bit ADC, 16 channels, 2 × 8 channel input multiplexer |
| 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 static CMOS technology with low-power design
- High-performance 32-bit CPU (TMS320C28x) with 16 × 16 and 32 × 32 MAC operations and 16 × 16 dual MAC
- Harvard bus architecture and unified memory programming model
- Fast interrupt response and processing, atomic operations
- On-chip memory: 64K × 16 flash, 18K × 16 SARAM
- Up to 2 SCI (UART) modules, up to 2 CAN modules, and one I2C bus
- 12-bit ADC with 16 channels, 2 × 8 channel input multiplexer, and fast conversion rates
- Up to 35 individually programmable, multiplexed GPIO pins with input filtering
- Advanced emulation features, 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 and power savings with IDLE, STANDBY, HALT modes supported
Applications
The TMS320F2808GBAS is highly suited for various demanding control applications, including:
- Digital motor control systems
- Digital power systems
- Industrial automation and control
- Automotive control systems (with AEC-Q100 qualification)
- Medical devices requiring high-performance control
- Other high-performance control systems where precision and efficiency are critical
Q & A
- What is the maximum operating frequency of the TMS320F2808GBAS?
The TMS320F2808GBAS operates at frequencies of up to 100 MHz with a 10-ns cycle time, or 60 MHz with a 16.67-ns cycle time.
- What is the core voltage and I/O voltage of the TMS320F2808GBAS?
The core voltage is 1.8 V, and the I/O voltage is 3.3 V.
- How much on-chip memory does the TMS320F2808GBAS have?
The TMS320F2808GBAS has 64K × 16 flash and 18K × 16 SARAM.
- What types of serial communication modules are available on the TMS320F2808GBAS?
The device includes up to 2 SCI (UART) modules, up to 2 CAN modules, and one I2C bus.
- What are the key features of the ADC on the TMS320F2808GBAS?
The ADC is a 12-bit ADC with 16 channels, a 2 × 8 channel input multiplexer, and fast conversion rates.
- How many GPIO pins are available on the TMS320F2808GBAS?
Up to 35 individually programmable, multiplexed GPIO pins with input filtering are available.
- What development tools are supported for the TMS320F2808GBAS?
Development support includes ANSI C/C++ compiler/assembler/linker, Code Composer Studio™ IDE, SYS/BIOS, and digital motor control and digital power software libraries.
- What low-power modes are supported by the TMS320F2808GBAS?
The device supports IDLE, STANDBY, and HALT modes for power savings.
- What are the temperature options for the TMS320F2808GBAS?
The temperature options include A: –40°C to 85°C, S: –40°C to 125°C, and Q: –40°C to 125°C (AEC-Q100 qualification for automotive applications).
- What is the significance of the Harvard bus architecture in the TMS320F2808GBAS?
The Harvard bus architecture allows for separate buses for program and data, enhancing performance by allowing simultaneous access to program and data memory.
- How does the TMS320F2808GBAS support real-time debugging?
The device supports real-time debug via hardware, along with advanced emulation features, analysis, and breakpoint functions.
