
SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
1
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
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
Copyright
2002, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Code Composer Studio and XDS510 are trademarks of Texas Instruments.
IEEE Standard 1149.11990, IEEE Standard Test-Access Port
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