Overview
The TMS320LF2402APGAR is a digital signal processor (DSP) controller from Texas Instruments, part of the TMS320C24x generation of fixed-point DSPs. This device is based on the enhanced TMS320C2xx DSP CPU core, offering low-cost, low-power, and high-performance processing capabilities. It is designed to be code-compatible with existing C24x DSP controller devices while providing increased processing performance and a higher level of peripheral integration.
The TMS320LF2402APGAR is particularly optimized for digital motor and motion control applications, featuring advanced peripherals such as event managers, PWM channels, and analog-to-digital converters. It also includes a boot ROM for in-circuit programming and a programmable 'code-security' feature to protect proprietary code stored in on-chip Flash/ROM.
Key Specifications
| Feature | Specification |
|---|---|
| Instruction Cycle Time | 25 ns (40 MHz) |
| MIPS Performance | 40 MIPS |
| Power Supply | Low-Power 3.3-V Design |
| On-Chip Memory | Up to 32K Words x 16 Bits of Flash EEPROM (4 Sectors) or ROM 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 |
| Event Manager Modules | Up to Two Event-Manager (EV) Modules (EVA and EVB) Each includes: Two 16-Bit General-Purpose Timers, Eight 16-Bit PWM Channels |
| Analog-to-Digital Converter (ADC) | 10-Bit ADC, 8 or 16 Multiplexed Input Channels, 500 ns MIN Conversion Time |
| Communication Interfaces | Serial Communications Interface (SCI), 16-Bit Serial Peripheral Interface (SPI) |
| Package | 64-Pin QFP (PG) Package |
| Operating Temperature | 40°C to 85°C (A), 40°C to 125°C (S) |
Key Features
- High-Performance Static CMOS Technology: Ensures efficient and reliable operation.
- Advanced Peripherals: Includes event managers, PWM channels, and analog-to-digital converters optimized for digital motor and motion control.
- Code Security: Programmable 'code-security' feature to protect proprietary code stored in on-chip Flash/ROM.
- Boot ROM and Bootloader: Facilitates in-circuit programming with SCI/SPI bootloader.
- Power Management: Three power-down modes and the ability to power down each peripheral independently.
- Communication Interfaces: Serial Communications Interface (SCI) and 16-Bit Serial Peripheral Interface (SPI).
- General-Purpose Input/Output (GPIO) Pins: Up to 40 individually programmable, multiplexed GPIO pins.
- Real-Time JTAG-Compliant Scan-Based Emulation: Supports IEEE Standard 1149.1 (JTAG) for debugging and development.
Applications
The TMS320LF2402APGAR is designed for various motor control and power conversion applications, including:
- AC Induction Motor Control
- Brushless DC (BLDC) Motor Control
- Switched Reluctance Motor Control
- Stepper Motor Control
- Multiple Motor and/or Converter Control
Its advanced peripherals and high-performance capabilities make it an ideal choice for demanding motor control and motion control systems.
Q & A
- What is the instruction cycle time of the TMS320LF2402APGAR?
The instruction cycle time is 25 ns at a clock frequency of 40 MHz.
- What is the MIPS performance of the TMS320LF2402APGAR?
The device offers a performance of 40 MIPS.
- What type of memory does the TMS320LF2402APGAR have?
The device includes up to 32K Words x 16 Bits of Flash EEPROM or ROM, along with various types of RAM.
- What are the key features of the event manager modules in the TMS320LF2402APGAR?
The event manager modules include two 16-bit general-purpose timers and eight 16-bit PWM channels, enabling features like three-phase inverter control and programmable deadband.
- What is the conversion time of the analog-to-digital converter (ADC) in the TMS320LF2402APGAR?
The ADC has a minimum conversion time of 500 ns.
- What communication interfaces are available on the TMS320LF2402APGAR?
The device includes a Serial Communications Interface (SCI) and a 16-Bit Serial Peripheral Interface (SPI).
- What is the package type of the TMS320LF2402APGAR?
The device is available in a 64-pin QFP (PG) package.
- What are the operating temperature ranges for the TMS320LF2402APGAR?
The device operates in the temperature ranges of 40°C to 85°C (A) and 40°C to 125°C (S).
- Does the TMS320LF2402APGAR support code security features?
Yes, it includes a programmable 'code-security' feature to protect proprietary code stored in on-chip Flash/ROM.
- What development tools are available for the TMS320LF2402APGAR?
Development tools include Texas Instruments' ANSI C Compiler, Assembler/Linker, Code Composer Studio, and evaluation modules.
