Overview
The TMS320LF2407APGEG4, part of the TMS320C24x generation of digital signal processor (DSP) controllers, is a high-performance, low-power DSP controller from Texas Instruments. It is based on the enhanced TMS320C2xx DSP CPU core and is designed for low-cost, high-performance processing. This device is code-compatible with existing C24x DSP controllers but offers increased processing performance and a higher level of peripheral integration. It is particularly optimized for digital motor and motion control applications, providing a comprehensive single-chip solution.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 25 ns (at 40 MHz) |
| MIPS Performance | 40 MIPS |
| Operating Voltage | 3.3 V |
| On-Chip Flash/ROM | Up to 32K Words x 16 Bits of Flash EEPROM (4 Sectors) or ROM |
| RAM | Up to 2.5K Words x 16 Bits of Data/Program RAM, 544 Words of Dual-Access RAM, Up to 2K Words of Single-Access RAM |
| Analog-to-Digital Converter (ADC) | 10-bit, 8 or 16 multiplexed input channels, 500 ns MIN conversion time |
| Event Managers | Two Event-Manager (EV) Modules (EVA and EVB), each with two 16-bit general-purpose timers and eight 16-bit PWM channels |
| Communication Interfaces | SCI, SPI, CAN 2.0B Module (for LF2407A, 2406A, 2403A) |
| GPIO Pins | Up to 40 individually programmable, multiplexed general-purpose input/output (GPIO) pins |
| Package Options | 144-Pin LQFP PGE |
| Temperature Range | -40°C to 85°C (A), -40°C to 125°C (S) |
Key Features
- High-performance static CMOS technology with 25-ns instruction cycle time and 40-MIPS performance.
- Low-power 3.3-V design with three power-down modes and the ability to power down each peripheral independently.
- Advanced peripherals including two event-manager modules, a 10-bit analog-to-digital converter, and a controller area network (CAN) 2.0B module.
- Integrated serial communications interface (SCI) and 16-bit serial peripheral interface (SPI).
- Phase-locked-loop (PLL)-based clock generation and real-time JTAG-compliant scan-based emulation.
- Programmable “code-security” feature for the on-chip flash/ROM and boot ROM with SCI/SPI bootloader.
- Up to 40 individually programmable, multiplexed general-purpose input/output (GPIO) pins and up to five external interrupts.
Applications
- Digital motor control: AC induction, BLDC, switched reluctance, and stepper motor control.
- Multiple motor and/or converter control.
- Industrial automation and control systems.
- Automotive control systems, including powertrain and chassis control.
- Medical devices requiring precise motor control.
- Robotics and mechatronics applications.
Q & A
- What is the instruction cycle time of the TMS320LF2407APGEG4?
The instruction cycle time is 25 ns at a clock frequency of 40 MHz.
- What is the MIPS performance of this DSP controller?
The TMS320LF2407APGEG4 offers 40 MIPS performance.
- What types of memory are available on this device?
The device includes up to 32K Words x 16 Bits of Flash EEPROM or ROM, up to 2.5K Words x 16 Bits of Data/Program RAM, 544 Words of Dual-Access RAM, and up to 2K Words of Single-Access RAM.
- What communication interfaces are supported by this device?
The device supports SCI, SPI, and CAN 2.0B communication interfaces.
- What is the purpose of the event-manager modules?
The event-manager modules (EVA and EVB) include two 16-bit general-purpose timers and eight 16-bit PWM channels, enabling features like three-phase inverter control and emergency PWM channel shutdown.
- How many GPIO pins are available on this device?
Up to 40 individually programmable, multiplexed general-purpose input/output (GPIO) pins are available.
- What are the power management features of this device?
The device has three power-down modes and the ability to power down each peripheral independently.
- What development tools are available for this device?
Development tools include Texas Instruments ANSI C Compiler, Assembler/Linker, Code Composer Studio™ debugger, evaluation modules, and scan-based self-emulation (XDS510™).
- What is the temperature range for this device?
The temperature range is -40°C to 85°C (A) and -40°C to 125°C (S).
- What are some common applications of the TMS320LF2407APGEG4?
Common applications include digital motor control, industrial automation, automotive control systems, medical devices, and robotics.
