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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- The TMS320LF240x devices, new members of the TMS320C24x generation of digital signal processor (DSP) controllers, are part of the TMS320C2000 platform of fixed-point DSPs. The 240x devices offer the enhanced TMS320 DSP architectural design of the C2xx core CPU for low-cost, low-power, and high-performance processing capabilities. Several advanced peripherals, optimized for digital motor and motion control applications, have been integrated to provide a true single-chip DSP controller. While code-compatible with the existing C24x DSP controller devices, the 240x offers increased processing performance (30 MIPS) and a higher level of peripheral integration. See the TMS320x240x Device Summary section for device-specific features.
- The 240x generation offers an array of memory sizes and different peripherals tailored to meet the specific price/performance points required by various applications. Flash devices of up to 32K words offer a cost-effective reprogrammable solution for volume production. Note that Flash-based devices contain a 256-word boot ROM to facilitate in-circuit programming. The 240x family also includes ROM devices that are fully pin-to-pin compatible with their Flash counterparts. (The ROM devices are described in the SPRS145 data sheet.)
- All 240x devices offer at least one event manager module which has been optimized for digital motor control and power conversion applications. Capabilities of this module include center- and/or edge-aligned PWM generation, programmable deadband to prevent shoot-through faults, and synchronized analog-to-digital conversion. Devices with dual event managers enable multiple motor and/or converter control with a single 240x DSP controller.
- The high-performance, 10-bit analog-to-digital converter (ADC) has a minimum conversion time of 500 ns and offers up to 16 channels of analog input. The autosequencing capability of the ADC allows a maximum of 16 conversions to take place in a single conversion session without any CPU overhead.
- A serial communications interface (SCI) is integrated on all devices to provide asynchronous communication to other devices in the system. For systems requiring additional communication interfaces, the 2407 and 2406 offer a 16-bit synchronous serial peripheral interface (SPI). The 2407 and 2406 also offer a controller area network (CAN) communications module that meets 2.0B specifications. To maximize device flexibility, functional pins are also configurable as general-purpose inputs/outputs (GPIOs).
- To streamline development time, JTAG-compliant scan-based emulation has been integrated into all devices. This provides non-intrusive real-time capabilities required to debug digital control systems. A complete suite of code-generation tools from C compilers to the industry-standard Code Composer Studio debugger supports this family. Numerous third-party developers not only offer device-level development tools, but also system-level design and development support.
- TMS320LF2407, TMS320LF2406, and TMS320LF2402 are Being Replaced by TMS320LF2407A, TMS320LF2406A, and TMS320LF2402A, Respectively. Hence, TMS320LF2407, TMS320LF2406, and TMS320LF2402 are NOT RECOMMENDED FOR NEW DESIGNS (NRND).
- High-Performance Static CMOS Technology
- 33-ns Instruction Cycle Time (30 MHz)
- 30-MIPS Performance
- Low-Power 3.3-V Design
- Based on TMS320C2xx DSP CPU Core
- Code-Compatible With F243/F241/C242
- Instruction Set and Module Compatible With F240/C240
- On-Chip Memory
- Up to 32K Words x 16 Bits of Flash EEPROM (4 Sectors)
- 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
- * Boot ROM
- SCI/SPI Bootloader
- * Two Event-Manager (EV) Modules (EVA and EVB), Each Include:
- Two 16-Bit General-Purpose Timers
- Eight 16-Bit Pulse-Width Modulation (PWM) Channels Which Enable:
- Three-Phase Inverter Control
- Center- or Edge-Alignment of PWM Channels
- Emergency PWM Channel Shutdown With External PDPINTx\ Pin
- Programmable Deadband (Deadtime) Prevents Shoot-Through Faults
- Three Capture Units For Time-Stamping of External Events
- On-Chip Position Encoder Interface Circuitry
- Synchronized Analog-to-Digital Conversion
- Designed for AC Induction, BLDC, Switched Reluctance, and Stepper Motor Control
- Applicable for Multiple Motor and/or Converter Control
- * External Memory Interface (LF2407)
- 192K Words x 16 Bits of Total Memory:
- 64K Program, 64K Data, 64K I/O
- * Watchdog (WD) Timer Module
- * 10-Bit Analog-to-Digital Converter (ADC)
- 8 or 16 Multiplexed Input Channels
- 500 ns Minimum Conversion Time
- Selectable Twin 8-Input Sequencers Triggered by Two Event Managers
- * Controller Area Network (CAN) 2.0B Module
- * Serial Communications Interface (SCI)
- * 16-Bit Serial Peripheral Interface (SPI) Module
- * Phase-Locked-Loop (PLL)-Based Clock Generation
- * Up to 40 Individually Programmable, Multiplexed General-Purpose Input/Output (GPIO) Pins
- * Up to Five External Interrupts (Power Drive Protection, Reset, and Two Maskable Interrupts)
- * Power Management:
- Three Power-Down Modes
- Ability to Power Down Each Peripheral Independently
- * Real-Time JTAG-Compliant Scan-Based Emulation, IEEE Standard 1149.1 (JTAG)
- * Development Tools Include:
- Texas Instruments (TI) ANSI C Compiler, Assembler/Linker, and Code Composer Studio Debugger
- Evaluation Modules
- Scan-Based Self-Emulation (XDS510)
- Broad Third-Party Digital Motor Control Support
- * Package Options
- 144-Pin Low-Profile Quad Flatpack (LQFP) PGE (LF2407)
- 100-Pin LQFP PZ (LF2406)
- 64-Pin Quad Flatpack (QFP) PG (LF2402)
- * Extended Temperature Options (A and S)
- A: 40°C to 85°C
- S: 40°C to 125°C
- Code Composer Studio and XDS510 are trademarks of Texas Instruments.
- IEEE Standard 1149.11990, IEEE Standard Test-Access Port
- TMS320C24x, TMS320C2000, TMS320, and C24x are trademarks of Texas Instruments.
- Other trademarks are the property of their respective owners.
- Throughout this data sheet, 240x is used as a generic name for LF240x devices.
TMS320LF2406 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | |
| RoHS | Non-Compliant |
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