TMS320LC2401AVFS datasheet(22/134 Pages) TI

22 / 134 page

TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A

TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A

DSP CONTROLLERS

SPRS145K − JULY 2000 − REVISED AUGUST 2005

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

memory maps (continued)

Reserved

On-Chip Flash Memory (Sectored)

0000

005F

0060

Hex

Data

Memory-Mapped

Registers/Reserved Addresses

007F

0080

On-Chip DARAM B2

01FF

0200

Illegal

02FF

0300

On-Chip DARAM (B0)§ (CNF = 0)

Reserved (CNF = 1)

03FF

0400

On-Chip DARAM (B1)¶

07FF

0800

Illegal

SARAM (2K)

Internal (DON = 1)

Reserved (DON = 0)

6FFF

7000

Illegal

Peripheral Memory-Mapped

Registers (System, WD, ADC,

SCI, SPI, CAN, I/O, Interrupts)

7FFF

8000

Illegal

0000

Hex

I/O

FEFF

FF00

FF0E

FF0F

Reserved

Illegal

FFFF

FFFE

Reserved

FF10

Flash Control Mode Register

SARAM (See Table 1 for details.)

FFFF

0FFF

1000

Hex

Program

7FFF

8000

FFFF

FEFF

FF00

FDFF

FE00

On-Chip DARAM (B0)‡ (CNF = 1)

External (CNF = 0)

SARAM (2K)

Internal (PON = 1)

Reserved (PON=0)

87FF

8800

Flash Sector 3 (4K)

6FFF

7000

Illegal

Reserved or Illegal

0000

0FFF

1000

3FFF

Flash Sector 1 (12K)

Flash Sector 2 (12K)

Flash Sector 0 (4K)

4000

Interrupt Vectors (0000−003Fh)

Reserved† (0040−0043h)

User code begins at 0044h

Reserved‡

Reserved

00FF

0100

Reserved

04FF

0500

NOTE A: Boot ROM: If the boot ROM is enabled, then addresses 0000−00FF in the program space will be occupied by boot ROM.

† Addresses 0040h−0043h in program memory are reserved for code security passwords.

‡ When CNF = 1, addresses FE00h−FEFFh and FF00h−FFFFh are mapped to the same physical block (B0) in program-memory space. For

example, a write to FE00h has the same effect as a write to FF00h. For simplicity, addresses FE00h−FEFFh are referred to as reserved.

§ When CNF = 0, addresses 0100h−01FFh and 0200h−02FFh are mapped to the same physical block (B0) in data-memory space. For example,

a write to 0100h has the same effect as a write to 0200h. For simplicity, addresses 0100h−01FFh are referred to as reserved.

¶ Addresses 0300h−03FFh and 0400h−04FFh are mapped to the same physical block (B1) in data-memory space. For example, a write to 0400h

has the same effect as a write to 0300h. For simplicity, addresses 0400h−04FFh are referred to as reserved.

Figure 2. TMS320LF2406A Memory Map

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