第一章概述 n.ppt

TMS320LF/LC2407ADSP Controllers FEATURES High-Performance Static CMOS Technology - 25-ns Instruction Cycle Time (40 MHz) - 40-MIPS Performance - Low-Power 3.3-V Design FEATURES On-Chip Memory - Up to 32K Word x 16 Bits of Flash EEPROM (4 Sectors) or ROM - Up to 2.5 K Words×16 Bits of data/Program RAM -544 Words of Dual-Access RAM -Up to 2K Words of Single –Access RAM - Programmable “Code-Security” Feature for the On-Chip Flash/ROM FEATURES FEATURES FEATURES 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 ADC -8 or 16 Multiplexed Input Channels -375ns or 500ns MIN Conversion Time -Selectable Twin 8-State Sequencers Triggered by Tow Even Managers FEATURES FEATURES peripheral memory map of the 2407A 电气工程学院 Electrical Engineering Institute of NEDU 电气工程学院 Electrical Engineering Department 电气工程学院 Electrical Engineering Department 电气工程学院 Electrical Engineering Institute of NEDU Up to Tow Event-Manager(EV) Modules(EVA and EVB), Each Includes: -Tow 16-Bit General-Purpose Timers -Eight 16-Bit PWM Channels Which Enable: -Three-Phase Inverter Control -Center-or Edge-Alignment of PWM Channels -Emergency PWM Channel Shutdown With External Pin (power drive protection) - Programmable Deadband(deadtime) Prevents Shoot- Through Fault - Three Capture Units for Time-Stamping of External Events - Input Qualifier for Select Pins (5-11clock) - On-Chip Position Encoder Interface Circuitry ( quadrature encoder pulse circuit ) - Synchronized A-to-D Conversion - Designed for AC Induction ,BLDC(BrushlessDC） Switched Reluctance,and Stepper Motor Control - Applicable for Multiple Motor and/or Converter Control CAN (Controller Area Network) SCI (Serial Communication Interface) 16-Bit SPI (Serial Peripheral Interface) PLL (Phase-Locked-Loop-Based Clock Generation) Up to 40 Individually Programmable