Overview
The TMS320F28235ZJZQR is a high-performance digital signal controller (DSC) from Texas Instruments, part of the C2000™ real-time control microcontroller family. This device is optimized for processing, sensing, and actuation in real-time control applications, such as industrial motor drives, solar inverters, digital power, electrical vehicles, and motor control. It features a 32-bit CPU (TMS320C28x) with advanced peripherals and memory configurations, making it a robust solution for demanding control environments.
Key Specifications
| Specification | Details |
|---|---|
| Processor | 32-bit CPU (TMS320C28x), up to 150 MHz (6.67-ns cycle time) |
| Voltage | 1.9-V/1.8-V core, 3.3-V I/O design |
| Memory | 256K × 16 flash, 34K × 16 SARAM, 1K × 16 OTP ROM |
| Peripheral Interface | Up to 2 CAN modules, up to 3 SCI (UART) modules, up to 2 McBSP modules, one SPI module, one I2C bus |
| ADC | 12-bit ADC, 16 channels, 80-ns conversion rate |
| GPIO | Up to 88 individually programmable, multiplexed GPIO pins with input filtering |
| Package | 176-ball plastic Ball Grid Array (BGA) |
| Temperature Range | –40°C to 125°C (AEC Q100 qualification for automotive applications) |
Key Features
- High-performance static CMOS technology with up to 150 MHz operation
- IEEE 754 single-precision Floating-Point Unit (FPU) for F2833x devices
- 16 × 16 and 32 × 32 MAC operations, 16 × 16 dual MAC
- Harvard bus architecture and fast interrupt response and processing
- Six-channel DMA controller for ADC, McBSP, ePWM, XINTF, and SARAM
- 16-bit or 32-bit External Interface (XINTF) with more than 2M × 16 address reach
- Enhanced control peripherals including up to 18 PWM outputs, up to 6 HRPWM outputs, and up to 6 event capture inputs
- 128-bit security key/lock to protect flash/OTP/RAM blocks and prevent firmware reverse-engineering
- JTAG boundary scan support and advanced debug features
- Low-power modes and power savings with IDLE, STANDBY, HALT modes supported
Applications
- Advanced driver assistance systems (ADAS) – medium/short range radar
- Building automation – HVAC motor control, traction inverter motor control
- Factory automation & control – automated sorting equipment, CNC control
- Grid infrastructure – central inverter, string inverter
- Hybrid, electric & powertrain systems – inverter & motor control, on-board (OBC) & wireless charger
- Motor drives – AC-input BLDC motor drive, servo drive control module
- Power delivery – industrial AC-DC
Q & A
- What is the maximum operating frequency of the TMS320F28235ZJZQR?
The maximum operating frequency is up to 150 MHz (6.67-ns cycle time).
- What are the voltage specifications for the core and I/O of this device?
The core operates at 1.9-V/1.8-V, and the I/O operates at 3.3-V.
- How much flash and SARAM memory does the TMS320F28235ZJZQR have?
The device has 256K × 16 flash and 34K × 16 SARAM, along with 1K × 16 OTP ROM.
- What types of serial port peripherals are available on this device?
The device includes up to 2 CAN modules, up to 3 SCI (UART) modules, up to 2 McBSP modules, one SPI module, and one I2C bus).
- What is the resolution and conversion rate of the ADC on this device?
The 12-bit ADC has a conversion rate of 80 ns and includes 16 channels).
- How many GPIO pins are available and what are their features?
Up to 88 individually programmable, multiplexed GPIO pins with input filtering are available).
- What are the package options and temperature ranges for this device?
The device is available in a 176-ball plastic Ball Grid Array (BGA) package, with a temperature range of –40°C to 125°C (AEC Q100 qualification for automotive applications)).
- Does the TMS320F28235ZJZQR support low-power modes?
Yes, it supports IDLE, STANDBY, and HALT modes for power savings).
- What security features are included in the TMS320F28235ZJZQR?
The device includes a 128-bit security key/lock to protect flash/OTP/RAM blocks and prevent firmware reverse-engineering).
- What development tools and support are available for this device?
Development support includes ANSI C/C++ compiler/assembler/linker, Code Composer Studio™ IDE, DSP/BIOS™ and SYS/BIOS, and digital motor control and digital power software libraries).
