Datasheet
TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A
TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A
DSP CONTROLLERS
SPRS145L − JULY 2000 − REVISED SEPTEMBER 2007
5
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
TMS320x240xA device summary
Note that throughout this data sheet, 240xA is used as a generic name for the LF240xA/LC240xA generation
of devices.
Table 1. Hardware Features of 240xA Devices
FEATURE LF2407A LF2406A LF2403A LF2402A LC2406A LC2404A LC2403A LC2402A
C2xx DSP Core Yes Yes Yes Yes Yes Yes Yes Yes
Instruction Cycle 25 ns 25 ns 25 ns 25 ns 25 ns 25 ns 25 ns 25 ns
MIPS (40 MHz) 40 MIPS 40 MIPS 40 MIPS 40 MIPS 40 MIPS 40 MIPS 40 MIPS 40 MIPS
RAM (16 bit word)
Dual-Access
RAM (DARAM)
544 544 544 544 544 544 544 544
RAM (16-bit word)
Single-Access
RAM (SARAM)
2K 2K 512 512 2K 1K 512 —
3.3-V On-chip Flash (16-bit word)
(4 sectors: 4K, 12K, 12K, 4K)
32K 32K 16K 8K — — — —
On-chip ROM (16-bit word) — — — — 32K 16K 16K 6K
Code Security for On-Chip Flash/ROM Yes Yes Yes Yes Yes Yes Yes Yes
Boot ROM Yes Yes Yes Yes — — — —
External Memory Interface Yes — — — — — — —
Event Managers A and B (EVA and EVB)
EVA,
EVB
EVA,
EVB
EVA EVA
EVA,
EVB
EVA,
EVB
EVA EVA
S General-Purpose (GP) Timers 4 4 2 2 4 4 2 2
S Compare (CMP)/PWM 12/16 12/16 6/8 6/8 12/16 12/16 6/8 6/8
S Capture (CAP)/QEP 6/4 6/4 3/2 3/2 6/4 6/4 3/2 3/2
S Input qualifier circuitry on
PDPINTx
, CAPx, QEPx,
XINT1/2, and ADCSOC pins
Yes Yes Yes Yes Yes Yes Yes Yes
S Status of PDPINTx pin reflected
in COMCONx register
Yes Yes Yes Yes Yes Yes Yes Yes
Watchdog Timer Yes Yes Yes Yes Yes Yes Yes Yes
10-Bit ADC Yes Yes Yes Yes Yes Yes Yes Yes
S Channels 16 16 8 8 16 16 8 8
S Conversion Time (minimum) 500 ns 500 ns 500 ns 500 ns 500 ns 500 ns 500 ns 500 ns
SPI Yes Yes Yes — Yes Yes Yes —
SCI Yes Yes Yes Yes Yes Yes Yes Yes
CAN Yes Yes Yes — Yes — Yes —
Digital I/O Pins
(Shared)
41 41 21 21 41 41 21 21
External Interrupts 5 5 3 3 5 5 3 3
Supply Voltage 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
Packaging
144-pin
PGE
100-pin
PZ
64-pin
PAG
64-pin
PG
100-pin
PZ
100-pin
PZ
64-pin
PAG
64-pin
PG, PAG
Product Status:
Product Preview (PP)
Advance Information (AI)
Production Data (PD)
PD PD PD PD PD PD PD PD
Denotes features that are different/new compared to 240x devices.