Overview
The TMS320LF2402APGS, part of the TMS320C2000 platform, is a digital signal processor (DSP) controller from Texas Instruments. Although this specific model is now obsolete and no longer manufactured, it was designed for low-cost, low-power, and high-performance processing. The device is based on the TMS320C2xx DSP CPU core and is code-compatible with existing C24x DSP controllers, offering enhanced processing capabilities and a higher level of peripheral integration.
Key Specifications
| Feature | TMS320LF2402A |
|---|---|
| C2xx DSP Core | Yes |
| Instruction Cycle Time | 25 ns |
| MIPS (at 40 MHz) | 40 MIPS |
| Dual-Access RAM (DARAM) | 544 words x 16 bits |
| Single-Access RAM (SARAM) | 512 words x 16 bits |
| On-chip Flash (16-bit word) | 8K words (4 sectors) |
| Code Security for On-Chip Flash/ROM | Yes |
| Boot ROM | Yes |
| Event Managers (EVA and EVB) | EVA |
| ADC Conversion Time (minimum) | 500 ns |
| SCI (Serial Communications Interface) | Yes |
| SPI (Serial Peripheral Interface) | No |
| CAN (Controller Area Network) Module | No |
| Digital I/O Pins (Shared) | 21 |
| External Interrupts | 3 |
| Supply Voltage | 3.3 V |
| Packaging | 64-pin TQFP PAG |
Key Features
- High-Performance Static CMOS Technology: 25-ns instruction cycle time and 40-MIPS performance at 40 MHz.
- Advanced Peripherals: Includes up to two event-manager modules, each with two 16-bit general-purpose timers and eight 16-bit pulse-width modulation (PWM) channels.
- Memory Options: Up to 32K words x 16 bits of Flash EEPROM or ROM, and up to 2.5K words x 16 bits of data/program RAM.
- Analog-to-Digital Converter (ADC): 10-bit ADC with a minimum conversion time of 500 ns and up to 16 multiplexed input channels.
- Serial Communications: Serial Communications Interface (SCI) and optional 16-bit Serial Peripheral Interface (SPI) on other models of the series.
- Motor Control Capabilities: Designed for AC induction, BLDC, switched reluctance, and stepper motor control with features like synchronized A-to-D conversion and position encoder interface circuitry.
- Power Management: Three power-down modes and the ability to power down each peripheral independently.
- Development Tools: Supported by Texas Instruments' ANSI C Compiler, Assembler/Linker, and Code Composer Studio Debugger, along with third-party development tools.
Applications
- Digital Motor Control: Ideal for controlling AC induction, brushless DC (BLDC), switched reluctance, and stepper motors.
- Power Conversion: Suitable for power conversion applications, including three-phase inverter control and multiple motor/converter control.
- Industrial Automation: Used in various industrial automation tasks requiring high-performance processing and advanced peripheral capabilities.
- Automotive Systems: Applicable in automotive systems that require robust and efficient control systems, such as in vehicle control units.
- Medical Devices: Can be used in medical devices that require precise motor control and high-performance processing.
Q & A
- What is the TMS320LF2402A based on?
The TMS320LF2402A is based on the TMS320C2xx DSP CPU core.
- What is the instruction cycle time of the TMS320LF2402A?
The instruction cycle time is 25 ns.
- What is the MIPS performance of the TMS320LF2402A at 40 MHz?
The MIPS performance is 40 MIPS at 40 MHz.
- How much on-chip Flash memory does the TMS320LF2402A have?
The TMS320LF2402A has up to 8K words of on-chip Flash memory.
- What type of ADC does the TMS320LF2402A have?
The TMS320LF2402A has a 10-bit analog-to-digital converter (ADC) with a minimum conversion time of 500 ns.
- Does the TMS320LF2402A support SPI and CAN interfaces?
No, the TMS320LF2402A does not support SPI and CAN interfaces.
- What is the supply voltage for the TMS320LF2402A?
The supply voltage is 3.3 V.
- What packaging options are available for the TMS320LF2402A?
The TMS320LF2402A is available in a 64-pin TQFP PAG package.
- What are the power management features of the TMS320LF2402A?
The device has three power-down modes and the ability to power down each peripheral independently.
- What development tools support the TMS320LF2402A?
The device is supported by Texas Instruments' ANSI C Compiler, Assembler/Linker, and Code Composer Studio Debugger, along with third-party development tools.
