Fixed Point Digital Signal Processor, Military


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  • Processed to MIL-PRF-38535 (QML)
  • High-Performance Static CMOS Technology
  • Includes the T320C2xLP Core CPU
    • Object Compatible With the TMS320C2xx Family
    • Source Code Compatible With SMJ320C25
    • Upwardly Compatible With SMJ320C50
    • 50-ns Instruction Cycle Time
  • Memory
    • 544 Words × 16 Bits of On-Chip Data/Program Dual-Access RAM
    • 16K Words × 16 Bits of On-Chip Program Flash EEPROM
    • 224K Words × 16 Bits of Total Memory Address Reach (64K Data, 64K Program and 64K I/O, and 32K Global Memory Space)
  • Event-Manager Module
    • 12 Compare/Pulse-Width Modulation (PWM) Channels
    • Three 16-Bit General-Purpose Timers With Six Modes, Including Continuous Upand Up/Down Counting
    • Three 16-Bit Full-Compare Units With Deadband
    • Three 16-Bit Simple-Compare Units
    • Four Capture Units (Two With Quadrature Encoder-Pulse Interface Capability)
  • Dual 10-Bit Analog-to-Digital Conversion Module
  • 28 Individually Programmable, Multiplexed I/O Pins
  • Phase-Locked-Loop (PLL)-Based Clock Module
  • Watchdog Timer Module (With Real-Time Interrupt)
  • Serial Communications Interface (SCI) Module
  • Serial Peripheral Interface (SPI) Module
  • Six External Interrupts (Power Drive Protect, Reset, NMI, and Three Maskable Interrupts)
  • Four Power-Down Modes for Low-Power Operation
  • Scan-Based Emulation
  • Development Tools Available:
    • Texas Instruments (TI™) ANSI C Compiler, Assembler/Linker, and C-Source Debugger
    • Scan-Based Self-Emulation (XDS510™)
    • Third-Party Digital Motor Control and Fuzzy-Logic Development Support
  • –55°C to 125°C Operating Temperature Range, QML Processing
  • 132-Pin Ceramic Quad Flat Package (HFP Suffix)

TI and XDS510 are trademarks of Texas Instruments Incorporated.

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The SMJ320F240 is a member of a family of digital signal processor (DSP) controllers based on the TMS320C2xx generation of 16-bit fixed-point DSPs. This family is optimized for digital motor/motion control applications and contains 16K words of flash memory on chip. The DSP controller combines the enhanced TMS320 architectural design of the C2xLP core CPU for low-cost, high-performance processing capabilities and several advanced peripherals optimized for motor/motion control applications. These peripherals include the event manager module, which provides general-purpose timers and compare registers to generate up to 12 PWM outputs, and a dual 10-bit analog-to-digital converter (ADC), which can perform two simultaneous conversions within 6.1 µs.

The functional block diagram provides a high-level description of each component in the F240 DSP controller. The SMJ320F240 device is composed of three main functional units: a C2xx DSP core, internal memory, and peripherals. In addition to these three functional units, there are several system-level features of the F240 that are distributed. These system features include the memory map, device reset, interrupts, digital input/output (I /O), clock generation, and low-power operation.

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Technical documentation

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Type Title Date
* Data sheet SMJ320F240 DSP Controller datasheet (Rev. C) Sep. 16, 2004
* SMD SMJ320F240 SMD 5962-98612 Jun. 21, 2016
More literature SMJ320F240 DSP Controller (Rev. A) Apr. 02, 2001
More literature SM/sMJ320F240 Military DSPs Jul. 21, 1999

Design & development

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Software development

LF240x Flash Tools
FTLF240X — Flash tools for the C2000™real-time TMS320LF240x microcontrollers
GUI CCStudio Plugin

The JTAG based Flash plug-ins will enable you to reprogram the on-chip Flash of the Digital Signal Controller within the Code Composer Studio environment. Be sure you choose the one that is appropriate for your version of CCS. It may also be possible to download the updates (...)

Design tools & simulation

C2000 Third-party search tool
C2000-3P-SEARCH TI has partnered with multiple companies to offer a wide range of solutions and services for TI C2000 devices. These companies can accelerate your path to production using C2000 devices. Download this search tool to quickly browse third-party details and find the right third-party to meet your (...)

CAD/CAE symbols

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CFP (HFP) 132 View options

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