Overview
The TMS320F280270PTT is a member of the TMS320F2802x0 Piccolo family of microcontrollers produced by Texas Instruments. This device is designed to provide high efficiency and integrated control peripherals, making it suitable for a variety of applications requiring precise control and low power consumption. The TMS320F280270PTT features a 32-bit TMS320C28x CPU, operating at a maximum frequency of 50 MHz, and is available in a 48-pin PT Low-Profile Quad Flatpack (LQFP) package. It is code-compatible with previous C28x-based code, ensuring ease of migration and development.
Key Specifications
| Feature | Specification |
|---|---|
| Instruction Cycle Time | 20 ns (at 50 MHz) |
| On-chip Flash Memory | 16 KB (16-bit word) |
| On-chip SARAM | 4 KB (16-bit word) |
| One-time Programmable (OTP) ROM | 1 KB (16-bit word) |
| Boot ROM | 8 KB x 16 |
| ePWM Channels | Up to 6 channels |
| eCAP Inputs | 1 |
| Watchdog Timer | Yes |
| ADC Conversion Time | 800 ns |
| ADC Channels | 8 |
| Temperature Sensor | Yes |
| 32-Bit CPU Timers | 3 |
| Comparators with Integrated DACs | 1 |
| Serial Peripheral Interface (SPI) | 1 |
| Serial Communications Interface (SCI) | 1 |
| Inter-Integrated Circuit (I2C) | 1 |
| Power-on Reset (POR)/Brown-out Reset (BOR) | Yes |
| Digital (GPIO) Pins | 22 |
| Analog (AIO) Pins | 6 |
| Supply Voltage (Nominal) | 3.3 V |
| Operating Temperature Range | -40°C to 105°C |
Key Features
- High-Efficiency 32-Bit CPU (TMS320C28x): Operates at 50 MHz with a 20-ns instruction cycle time.
- Single 3.3-V Supply: No power sequencing requirement, with integrated power-on and brown-out resets.
- Integrated Peripherals: Includes up to 6 enhanced pulse width modulator (ePWM) channels, enhanced capture (eCAP) module, and analog-to-digital converter (ADC) with 8 channels.
- Memory: Features on-chip flash, SARAM, OTP, and boot ROM, with code security for secure memory blocks.
- Communication Interfaces: Supports SCI (UART), SPI, and I2C interfaces.
- Low Power Consumption: Optimized for low power operation with dynamic PLL ratio changes and missing clock detection circuitry.
- Temperature Sensor and Comparators: Includes an on-chip temperature sensor and comparators with integrated DACs.
- GPIO and AIO Pins: Provides up to 22 multiplexed GPIO pins and 6 analog input/output pins.
Applications
The TMS320F280270PTT microcontroller is suitable for a wide range of applications, including:
- Industrial Control Systems: Ideal for motor control, power conversion, and industrial automation due to its integrated control peripherals.
- Automotive Systems: Used in various automotive applications requiring precise control and low power consumption.
- Medical Devices: Suitable for medical devices that require high precision and reliability.
- Consumer Electronics: Can be used in consumer electronics that need efficient and integrated control solutions.
Q & A
- What is the maximum operating frequency of the TMS320F280270PTT?
The maximum operating frequency is 50 MHz.
- What type of CPU does the TMS320F280270PTT use?
The TMS320F280270PTT uses a 32-bit TMS320C28x CPU.
- How much on-chip flash memory does the TMS320F280270PTT have?
The device has 16 KB of on-chip flash memory.
- What is the supply voltage for the TMS320F280270PTT?
The nominal supply voltage is 3.3 V.
- Does the TMS320F280270PTT have a temperature sensor?
Yes, it includes an on-chip temperature sensor.
- How many ePWM channels does the TMS320F280270PTT support?
The device supports up to 6 enhanced pulse width modulator (ePWM) channels.
- What communication interfaces are supported by the TMS320F280270PTT?
The device supports SCI (UART), SPI, and I2C interfaces.
- Does the TMS320F280270PTT have code security features?
Yes, it includes code security for on-chip flash, SARAM, and OTP blocks.
- What is the operating temperature range of the TMS320F280270PTT?
The operating temperature range is -40°C to 105°C.
- How many GPIO pins does the TMS320F280270PTT have?
The device has up to 22 multiplexed GPIO pins.
