Overview
The TMS320F280230DAS is a member of the Piccolo family of microcontrollers from Texas Instruments. This device is built around the high-efficiency 32-bit TMS320C28x CPU and is designed to provide a high level of analog integration along with highly integrated control peripherals. The microcontroller is code-compatible with previous C28x-based code, making it a versatile option for various applications. It features a single 3.3-V supply, integrated power-on and brown-out resets, and an internal voltage regulator for single-rail operation.
Key Specifications
| Feature | Specification |
|---|---|
| CPU | High-Efficiency 32-Bit TMS320C28x |
| Operating Frequency | 40 MHz (25-ns Cycle Time) |
| Package Type | 38-Pin TSSOP (DA) |
| On-Chip Memory | 32 KB Flash, 4 KB SARAM, 1 KB OTP, 8 KB Boot ROM |
| GPIO Pins | Up to 22 Multiplexed GPIO Pins |
| Timers | Three 32-Bit CPU Timers |
| PWM Modules | Up to 3 Enhanced Pulse Width Modulator (ePWM) Modules for up to 6 Channels |
| ADC | Analog-to-Digital Converter with 0 to 3.3-V fixed full-scale range |
| Temperature Sensor | On-Chip Temperature Sensor |
| Serial Port Peripherals | SCI (UART), SPI, I2C |
| Power Supply | Single 3.3-V Supply |
Key Features
- High-efficiency 32-bit CPU with 16 x 16 and 32 x 32 MAC operations and 16 x 16 dual MAC
- Integrated power-on and brown-out resets, and internal voltage regulator for single-rail operation
- Up to 22 multiplexed GPIO pins with input filtering
- Three 32-bit CPU timers and independent 16-bit timer in each ePWM module
- Enhanced capture (eCAP) module and analog-to-digital converter (ADC) with optimized interface for low overhead and latency
- On-chip temperature sensor and code-security module with 128-bit security key and lock
- Serial port peripherals including SCI (UART), SPI, and I2C
- Advanced emulation features with real-time debug via hardware
Applications
The TMS320F280230DAS is suitable for a variety of applications that require high-performance processing and advanced control peripherals. These include:
- Industrial control systems, such as motor control, power supplies, and automation
- Automotive systems, including engine control, transmission control, and safety systems
- Medical devices that require precise control and high-speed processing
- Consumer electronics, such as home appliances and HVAC systems
Q & A
- What is the operating frequency of the TMS320F280230DAS?
The TMS320F280230DAS operates at 40 MHz with a 25-ns cycle time.
- What type of package does the TMS320F280230DAS come in?
The TMS320F280230DAS comes in a 38-pin TSSOP (DA) package.
- How much on-chip memory does the TMS320F280230DAS have?
The device has 32 KB of flash memory, 4 KB of SARAM, 1 KB of OTP, and 8 KB of Boot ROM.
- What are the key peripherals of the TMS320F280230DAS?
The key peripherals include three 32-bit CPU timers, up to 3 ePWM modules, an ADC, and serial port peripherals like SCI, SPI, and I2C.
- Does the TMS320F280230DAS have any security features?
Yes, it includes a code-security module with a 128-bit security key and lock to protect secure memory blocks.
- What is the power supply requirement for the TMS320F280230DAS?
The device requires a single 3.3-V supply.
- Is the TMS320F280230DAS code-compatible with previous C28x-based code?
Yes, it is code-compatible with previous C28x-based code.
- What are some common applications of the TMS320F280230DAS?
Common applications include industrial control systems, automotive systems, medical devices, and consumer electronics.
- Does the TMS320F280230DAS have an on-chip temperature sensor?
Yes, it includes an on-chip temperature sensor.
- What kind of ADC does the TMS320F280230DAS have?
The device features an analog-to-digital converter with a 0 to 3.3-V fixed full-scale range and supports ratio-metric VREFHI/VREFLO references.
