Overview
The TMS320F28235ZHHA is a Digital Signal Controller (DSC) from Texas Instruments, part of the TMS320F2823x family. Although this specific part is now obsolete and no longer manufactured, it remains a significant component in the realm of high-performance embedded systems. The device is built on high-performance static CMOS technology and features a 32-bit CPU (TMS320C28x) with a maximum clock speed of up to 150 MHz at 1.9 V or 100 MHz at 1.8 V.
The TMS320F28235ZHHA is designed for demanding applications requiring advanced control and signal processing capabilities, making it suitable for various industrial, automotive, and power management systems.
Key Specifications
| Specification | Details |
|---|---|
| Processor | 32-bit TMS320C28x CPU |
| Clock Speed | Up to 150 MHz at 1.9 V, up to 100 MHz at 1.8 V |
| Memory | 256K × 16 flash, 34K × 16 SARAM, 1K × 16 OTP ROM |
| ADC | 12-bit, 16 channels, 80-ns conversion rate |
| PWM Outputs | Up to 18 PWM outputs, up to 6 HRPWM outputs with 150-ps MEP resolution |
| Event Capture Inputs | Up to 6 event capture inputs |
| Quadrature Encoder Interfaces | Up to 2 Quadrature Encoder interfaces |
| Timers | Up to 8 32-bit timers, up to 9 16-bit timers |
| Serial Port Peripherals | Up to 2 CAN modules, up to 3 SCI (UART) modules, up to 2 McBSP modules, one SPI module, one I2C bus |
| GPIO | Up to 88 individually programmable, multiplexed GPIO pins |
| Package Options | 176-ball plastic BGA, 179-ball MicroStar BGA, 179-ball nFBGA, 176-pin LQFP, 176-pin HLQFP |
| Temperature Range | -40°C to 85°C, -40°C to 125°C (for certain packages) |
Key Features
- High-Performance CPU: 32-bit TMS320C28x CPU with up to 150 MHz clock speed.
- Advanced Control Peripherals: Up to 18 PWM outputs, up to 6 HRPWM outputs with 150-ps MEP resolution, and up to 6 event capture inputs.
- Memory and Storage: 256K × 16 flash, 34K × 16 SARAM, and 1K × 16 OTP ROM.
- Analog-to-Digital Conversion: 12-bit ADC with 16 channels and an 80-ns conversion rate.
- Serial Communication: Up to 2 CAN modules, up to 3 SCI (UART) modules, up to 2 McBSP modules, one SPI module, and one I2C bus.
- GPIO and Interrupts: Up to 88 individually programmable GPIO pins and support for 58 peripheral interrupts through the PIE block.
- Security and Debugging: 128-bit security key/lock and advanced debug features including real-time debug using hardware.
- Low-Power Modes: IDLE, STANDBY, and HALT modes supported with the ability to disable individual peripheral clocks.
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.
Q & A
- What is the maximum clock speed of the TMS320F28235ZHHA?
The maximum clock speed is up to 150 MHz at 1.9 V or up to 100 MHz at 1.8 V.
- How many PWM outputs does the TMS320F28235ZHHA support?
It supports up to 18 PWM outputs and up to 6 HRPWM outputs with 150-ps MEP resolution.
- What is the resolution of the ADC in the TMS320F28235ZHHA?
The ADC is 12-bit with 16 channels and an 80-ns conversion rate.
- How many GPIO pins are available on the TMS320F28235ZHHA?
There are up to 88 individually programmable, multiplexed GPIO pins.
- What are the package options for the TMS320F28235ZHHA?
Options include 176-ball plastic BGA, 179-ball MicroStar BGA, 179-ball nFBGA, 176-pin LQFP, and 176-pin HLQFP.
- What are the temperature ranges supported by the TMS320F28235ZHHA?
The temperature ranges are -40°C to 85°C and -40°C to 125°C for certain packages.
- Does the TMS320F28235ZHHA support low-power modes?
Yes, it supports IDLE, STANDBY, and HALT modes with the ability to disable individual peripheral clocks.
- What security features are included in the TMS320F28235ZHHA?
It includes a 128-bit security key/lock to protect flash, OTP, and RAM blocks.
- What development tools are available for the TMS320F28235ZHHA?
Development support includes ANSI C/C++ compiler/assembler/linker, Code Composer Studio™ IDE, DSP/BIOS™, and SYS/BIOS.
- Is the TMS320F28235ZHHA still in production?
No, the TMS320F28235ZHHA is obsolete and no longer manufactured.
