Digital Signal Processors & Controllers - DSP DSC 16 - Bit Fixed - Pt DSP with Flash

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

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

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