Overview
The TMS320F28052PNQ is a real-time microcontroller from Texas Instruments, part of the C2000™ family. This microcontroller is optimized for processing, sensing, and actuation in real-time control applications. It features a high-efficiency 32-bit CPU (TMS320C28x) operating at 60 MHz with a 16.67-ns cycle time. The device includes a Programmable Control Law Accelerator (CLA) for independent 32-bit floating-point math acceleration and is designed for low device and system cost with a single 3.3-V supply and no power sequencing requirement.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 16.67 ns |
| Maximum Clock Frequency | 60 MHz |
| Data Bus Width | 32 bit |
| ADC Resolution | 12 bit |
| Number of I/Os | 42 |
| On-chip Flash Memory | 32K (16-bit word) |
| On-chip SARAM | 8K (16-bit word) |
| One-time Programmable (OTP) ROM | 1K (16-bit word) |
| Package Type | 80-pin PN Low-Profile Quad Flatpack (LQFP) |
| Supply Voltage (Nominal) | 3.3 V |
| Temperature Range | -40°C to 125°C (AEC Q100 qualification for automotive applications) |
Key Features
- High-efficiency 32-bit CPU (TMS320C28x) with Harvard bus architecture and fast interrupt response.
- Programmable Control Law Accelerator (CLA) for independent 32-bit floating-point math acceleration.
- Dual-zone security module with 128-bit security key and lock.
- Up to 42 individually programmable, multiplexed General-Purpose Input/Output (GPIO) pins with input filtering.
- Enhanced control peripherals including ePWM, eCAP, and eQEP modules.
- Analog peripherals such as a 12-bit ADC, on-chip temperature sensor, comparators, and Digital-to-Analog Converters (DACs).
- Serial port peripherals including SCI (UART), SPI, I2C, and eCAN bus.
- Advanced debug features with analysis and breakpoint functions, and real-time debug through hardware.
- JTAG boundary scan support and Peripheral Interrupt Expansion (PIE) block.
Applications
- Air conditioner outdoor unit control.
- Door operator drive control.
- Inverter and motor control.
- AC drive control module.
- AC-input and DC-input BLDC motor drives.
- Industrial motor drives, solar inverters, digital power, electrical vehicles, and transportation systems.
Q & A
- What is the maximum clock frequency of the TMS320F28052PNQ?
The maximum clock frequency is 60 MHz.
- What is the resolution of the ADC in the TMS320F28052PNQ?
The ADC resolution is 12 bits.
- How many GPIO pins does the TMS320F28052PNQ have?
The device has up to 42 individually programmable, multiplexed GPIO pins.
- What is the supply voltage for the TMS320F28052PNQ?
The nominal supply voltage is 3.3 V.
- What is the temperature range for the TMS320F28052PNQ?
The temperature range is -40°C to 125°C, with AEC Q100 qualification for automotive applications.
- Does the TMS320F28052PNQ have a Programmable Control Law Accelerator (CLA)?
No, the CLA is not available on the TMS320F28052PNQ model.
- What types of serial port peripherals are available on the TMS320F28052PNQ?
The device includes SCI (UART), SPI, I2C, and eCAN bus peripherals.
- Does the TMS320F28052PNQ support JTAG boundary scan?
- What is the package type of the TMS320F28052PNQ?
The package type is an 80-pin PN Low-Profile Quad Flatpack (LQFP).
- What are some of the enhanced control peripherals available on the TMS320F28052PNQ?
The device includes ePWM, eCAP, and eQEP modules.
