Overview
The Texas Instruments TMS320F28020PTS is a high-performance 32-bit microcontroller belonging to the C2000™ family, specifically the Piccolo microcontroller series. This device is optimized for real-time control applications, such as industrial motor drives, solar inverters, digital power systems, electrical vehicles, and sensing and signal processing. The TMS320F28020PTS is part of the F2802x family, which combines the power of the C28x core with highly integrated control peripherals in low pin-count devices. It is code-compatible with previous C28x-based code and offers a high level of analog integration.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU | TMS320C28x, 40 MHz (25-ns cycle time) |
| Flash Memory | 32 KB |
| RAM | 6 KB |
| ADC Resolution | 12-bit |
| ADC Channels | 7, 13 |
| PWM Channels | 8 |
| I2C | 1 module |
| SPI | 1 module |
| UART (SCI) | 1 module |
| Operating Temperature Range | –40°C to 105°C, –40°C to 125°C |
| Package Type | 48-pin PT Low-Profile Quad Flatpack (LQFP) |
| Power Supply | Single 3.3-V supply |
Key Features
- High-efficiency 32-bit CPU with 16 × 16 and 32 × 32 MAC operations and 16 × 16 dual MAC
- Harvard bus architecture and atomic operations
- Fast interrupt response and processing, unified memory programming model
- Code-efficient in C/C++ and Assembly, little-endian architecture
- Single 3.3-V supply, no power sequencing requirement, integrated power-on and brown-out resets
- Low power consumption, small packaging options (as low as 38-pin)
- Two internal zero-pin oscillators, on-chip crystal oscillator, and external clock input
- Watchdog timer module and missing clock detection circuitry
- Up to 22 individually programmable, multiplexed GPIO pins with input filtering
- Peripheral Interrupt Expansion (PIE) block supporting all peripheral interrupts
- Three 32-bit CPU timers and independent 16-bit timer in each Enhanced Pulse Width Modulator (ePWM)
- On-chip memory including Flash, SARAM, OTP, and Boot ROM
- Code-security module with 128-bit security key and lock to protect secure memory blocks
- Serial port peripherals including SCI (UART), SPI, and I2C modules
- Enhanced control peripherals such as ePWM, High-Resolution PWM (HRPWM), Enhanced Capture (eCAP) module, ADC, and on-chip temperature sensor
- Advanced emulation features for analysis and breakpoint functions, real-time debug through hardware
Applications
- Industrial motor drives
- Solar inverters and digital power systems
- Electrical vehicles and transportation systems
- Motor control and sensing and signal processing applications
- Automotive applications (AEC Q100 qualification for automotive use)
Q & A
- What is the CPU speed of the TMS320F28020PTS?
The CPU speed of the TMS320F28020PTS is 40 MHz with a 25-ns cycle time.
- How much flash memory does the TMS320F28020PTS have?
The TMS320F28020PTS has 32 KB of flash memory.
- What is the resolution of the ADC in the TMS320F28020PTS?
The ADC resolution is 12-bit.
- How many PWM channels are available on the TMS320F28020PTS?
There are 8 PWM channels available.
- What are the operating temperature ranges for the TMS320F28020PTS?
The operating temperature ranges are –40°C to 105°C and –40°C to 125°C.
- What package types are available for the TMS320F28020PTS?
The TMS320F28020PTS is available in a 48-pin PT Low-Profile Quad Flatpack (LQFP) package.
- Does the TMS320F28020PTS require a specific power sequencing?
No, the TMS320F28020PTS does not require power sequencing and operates on a single 3.3-V supply.
- What security features does the TMS320F28020PTS have?
The TMS320F28020PTS includes a code-security module with a 128-bit security key and lock to protect secure memory blocks.
- What kind of serial port peripherals are available on the TMS320F28020PTS?
The device includes SCI (UART), SPI, and I2C modules.
- Are there any advanced emulation features available for the TMS320F28020PTS?
Yes, the device supports advanced emulation features for analysis and breakpoint functions, as well as real-time debug through hardware.
