Overview
The TMS320LF2402APGA is a digital signal processor (DSP) controller from Texas Instruments, part of the TMS320C24x generation and the TMS320C2000 platform of fixed-point DSPs. This device is designed to offer low-cost, low-power, and high-performance processing capabilities, making it suitable for a variety of applications, particularly in digital motor and motion control.
The TMS320LF2402APGA is based on the enhanced TMS320 DSP architectural design of the C2xx core CPU and is code-compatible with existing C24x DSP controller devices. It features advanced peripherals optimized for motor control and power conversion applications, providing a true single-chip DSP controller solution.
Key Specifications
| Specification | Value |
|---|---|
| Instruction Cycle Time | 25 ns (40 MHz) |
| Performance | 40 MIPS |
| Operating Voltage | 3.3 V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 64-Pin QFP (PG) |
| On-Chip Memory | 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 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-Manager (EV) Modules | Up to two modules, each with two 16-bit general-purpose timers and eight 16-bit PWM channels |
| Serial Communications | SCI, SPI (16-bit) |
| General-Purpose Input/Output (GPIO) Pins | Up to 40 individually programmable, multiplexed GPIO pins |
| Power Management | Three power-down modes, ability to power down each peripheral independently |
Key Features
- High-performance static CMOS technology
- Code-compatible with F243/F241/C242 and instruction set and module compatible with F240
- Flash (LF) and ROM (LC) device options with programmable 'code-security' feature
- Boot ROM (LF240xA devices) and SCI/SPI bootloader
- Up to two event-manager modules optimized for digital motor control and power conversion
- Three-phase inverter control, center- or edge-alignment of PWM channels, and programmable deadband
- Synchronized A-to-D conversion and on-chip position encoder interface circuitry
- Controller Area Network (CAN) 2.0B module (on select models)
- Phase-Locked-Loop (PLL)-based clock generation
- Real-time JTAG-compliant scan-based emulation
Applications
The TMS320LF2402APGA is designed for various motor control and motion control 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 industrial automation, robotics, and other applications requiring precise motor control.
Q & A
- What is the instruction cycle time of the TMS320LF2402APGA?
The instruction cycle time is 25 ns at a clock frequency of 40 MHz.
- What is the performance of the TMS320LF2402APGA in terms of MIPS?
The device offers a performance of 40 MIPS.
- What types of memory are available on the TMS320LF2402APGA?
The device features 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 is the resolution and conversion time of the ADC on the TMS320LF2402APGA?
The ADC is a 10-bit converter with 8 or 16 multiplexed input channels and a minimum conversion time of 500 ns.
- What are the key features of the event-manager modules on the TMS320LF2402APGA?
The event-manager modules include two 16-bit general-purpose timers, eight 16-bit PWM channels, and features such as center- or edge-alignment of PWM channels and programmable deadband.
- Does the TMS320LF2402APGA support serial communication interfaces?
Yes, it supports SCI and SPI (16-bit) interfaces.
- How many GPIO pins are available on the TMS320LF2402APGA?
Up to 40 individually programmable, multiplexed GPIO pins are available.
- What power management features are available on the TMS320LF2402APGA?
The device features three power-down modes and the ability to power down each peripheral independently.
- Is the TMS320LF2402APGA suitable for motor control applications?
Yes, it is designed for various motor control applications including AC induction, BLDC, switched reluctance, and stepper motors.
- Does the TMS320LF2402APGA support JTAG-compliant emulation?
Yes, it supports real-time JTAG-compliant scan-based emulation.
