Datasheet
TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A
TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A
DSP CONTROLLERS
SPRS145L − JULY 2000 − REVISED SEPTEMBER 2007
2
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
Description 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TMS320x240xA Device Summary 5. . . . . . . . . . . . . . . . .
Functional Block Diagram of the 2407A
DSP Controller 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pinouts 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin Functions 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory Maps 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peripheral Memory Map of the 2407A/2406A 29. . . . . . .
Device Reset and Interrupts 30. . . . . . . . . . . . . . . . . . . . .
DSP CPU Core 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TMS320x240xA Instruction Set 34. . . . . . . . . . . . . . . . . . .
Scan-Based Emulation 34. . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Block Diagram
of the 2407A DSP CPU 35. .
Internal Memory 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peripherals 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Event Manager Modules (EVA, EVB) 45. . . . . . . . . . . .
Enhanced Analog-to-Digital Converter
(ADC) Module 49. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Serial Communications Interface (SCI) Module 53. . . .
Controller Area Network (CAN) Module 51. . . . . . . . . .
Serial Peripheral Interface (SPI) Module 55. . . . . . . . . .
PLL-Based Clock Module 57. . . . . . . . . . . . . . . . . . . . . .
Digital I/O and Shared Pin Functions 60. . . . . . . . . . . . .
External Memory Interface (LF2407A) 64. . . . . . . . . . . .
Watchdog (WD) Timer Module 65. . . . . . . . . . . . . . . . . .
Development Support 67. . . . . . . . . . . . . . . . . . . . . . . . . . .
Documentation Support 70. . . . . . . . . . . . . . . . . . . . . . . . .
LF240xA and LC240xA Electrical
Specifications Data 71. . . . . . . . . . . . . . . . . . . . . . . . .
Absolute Maximum Ratings 71. . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions 71. . . . . . . . . . . . .
Migrating From LF240xA (Flash) Devices to
LC240xA (ROM) Devices 110. . . . . . . . . . . . . . . . . . .
Migrating From 240x Devices to 240xA Devices 111. . .
Migrating From LF240x Devices to
LC240xA Devices 112. . . . . . . . . . . . . . . . . . . . . . . . .
Peripheral Register Description 113. . . . . . . . . . . . . . . . . .
Mechanical Data 126. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents