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TMS320LF2402A解密详情请咨询
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TMS320LF2402A FEATURES
High-Performance Static CMOS Technology
25-ns Instruction Cycle Time (40 MHz)
40-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
Flash (LF) and ROM (LC) Device Options
LF240xA: LF2407A, LF2406A,LF2403A, LF2402A
LC240xA: LC2406A, LC2404A,LC2403A, LC2402A
On-Chip Memory
Up to 32K Words x 16 Bits of Flash EEPROM (4 Sectors) or ROM
Programmable “Code-Security” Feature for the On-Chip Flash/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
Boot ROM (LF240xA Devices)
SCI/SPI Bootloader
Up to Two Event-Manager (EV) Modules(EVA and EVB), Each Includes:
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
Input Qualifier for Select Pins
On-Chip Position Encoder Interface Circuitry
Synchronized A-to-D Conversion
Designed for AC Induction, BLDC,Switched Reluctance, and Stepper Motor Control
Applicable for Multiple Motor and/or Converter Control
External Memory Interface (LF2407A)
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 MIN Conversion Time
Selectable Twin 8-State Sequencers Triggered by Two Event Managers
Controller Area Network (CAN) 2.0B Module (LF2407A, 2406A, 2403A)
Serial Communications Interface (SCI)
16-Bit Serial Peripheral Interface (SPI) (LF2407A, 2406A, LC2404A, 2403A)
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, 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 LQFP PGE (LF2407A)
100-Pin LQFP PZ (2406A, LC2404A)
64-Pin TQFP PAG (LF2403A, LC2403A,LC2402A)
64-Pin QFP PG (2402A)
Extended Temperature Options (A and S)
A: ? 40°C to 85°C
S: ? 40°C to 125°C
