TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A
TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A
DSP CONTROLLERS
SPRS145K JULY 2000 REVISED AUGUST 2005
5
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
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
Instruction Cycle
25 ns
MIPS (40 MHz)
40 MIPS
RAM (16 bit word)
Dual-Access
RAM (DARAM)
544
RAM (16-bit word)
Single-Access
RAM (SARAM)
2K
512
2K
1K
512
—
3.3-V On-chip Flash (16-bit word)
(4 sectors: 4K, 12K, 12K, 4K)
32K
16K
8K
—
On-chip ROM (16-bit word)
—
32K
16K
6K
Code Security for On-Chip Flash/ROM
Yes
Boot ROM
Yes
—
External Memory Interface
Yes
—
Event Managers A and B (EVA and EVB)
EVA,
EVB
EVA,
EVB
EVA
EVA,
EVB
EVA,
EVB
EVA
S
General-Purpose (GP) Timers
4
2
4
2
S
Compare (CMP)/PWM
12/16
6/8
12/16
6/8
S
Capture (CAP)/QEP
6/4
3/2
6/4
3/2
S
Input qualifier circuitry on
PDPINTx, CAPx, QEPx,
XINT1/2, and ADCSOC pins
Yes
S
Status of PDPINTx pin reflected
in COMCONx register
Yes
Watchdog Timer
Yes
10-Bit ADC
Yes
S
Channels
16
8
16
8
S
Conversion Time (minimum)
500 ns
SPI
Yes
—
Yes
—
SCI
Yes
CAN
Yes
—
Yes
—
Yes
—
Digital I/O Pins
(Shared)
41
21
41
21
External Interrupts
5
3
5
3
Supply Voltage
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
Denotes features that are different/new compared to 240x devices.