
SPRS145G
–
JULY 2000
–
REVISED FEBRUARY 2002
9
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
LC2402A
C2xx DSP Core
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Instruction Cycle
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
RAM (16 bit
RAM (16-bit word)
Dual-Access
RAM (DARAM)
544
544
544
544
544
544
544
Single-Access
RAM (SARAM)
2K
2K
512
512
2K
1K
—
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
6K
Code Security for On-Chip Flash/ROM
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
General-Purpose (GP) Timers
4
4
2
2
4
4
2
Compare (CMP)/PWM
12/16
12/16
6/8
6/8
12/16
12/16
6/8
Capture (CAP)/QEP
6/4
6/4
3/2
3/2
6/4
6/4
3/2
Input qualifier circuitry on
PDPINTx, CAPn, XINT1/2, and
ADCSOC pins
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Status of PDPINTx pin reflected
in COMCONx register
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Watchdog Timer
Yes
Yes
Yes
Yes
Yes
Yes
Yes
10-Bit ADC
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Channels
16
16
8
8
16
16
8
Conversion Time (minimum)
500 ns
500 ns
500 ns
500 ns
375 ns
375 ns
425 ns
SPI
Yes
Yes
Yes
—
Yes
Yes
—
SCI
Yes
Yes
Yes
Yes
Yes
Yes
Yes
CAN
Yes
Yes
Yes
—
Yes
—
—
Digital I/O Pins
(Shared)
41
41
21
21
41
41
21
External Interrupts
5
5
3
3
5
5
3
Supply Voltage
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
PG, PAG
Product Status:
Product Preview (PP)
Advance Information (AI)
Production Data (PD)
PD
PD
PD
PD
PD
PD
PD
Denotes features that are different/new compared to 240x devices.