TMS320LC2401AVFS datasheet(26/134 Pages) TI

26 / 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)

Illegal

Reserved

Program

Hex

Data

Memory-Mapped

Registers/Reserved Addresses

On-Chip DARAM B2

Illegal

On-Chip DARAM (B0)§ (CNF = 0)

Reserved (CNF = 1)

On-Chip DARAM (B1)¶

Reserved

SARAM (1K)

Internal (DON = 1)

Reserved (DON = 0)

Illegal

Peripheral Memory-Mapped

Registers (System, WD, ADC,

SCI, SPI, I/O, Interrupts)

On-Chip DARAM (B0)‡ (CNF = 1)

Reserved (CNF = 0)

SARAM (See Table 1 for details.)

On-Chip ROM memory

Reserved or Illegal

0000

Hex

7FFF

8000

FFFF

FEFF

FF00

FDFF

FE00

83FF

8400

0000

005F

0060

007F

0080

01FF

0200

02FF

0300

03FF

0400

07FF

0800

6FFF

7000

7FFF

8000

FFFF

0BFF

0C00

SARAM (1K)

Internal (PON = 1)

Reserved (PON = 0)

Reserved

3FFF

4000

On-Chip ROM (16K)

Interrupt Vectors (0000−003Fh)

Reserved† (0040−0043h)

User code begins at 0044h

Reserved‡

00FF

0100

Reserved

Illegal

04FF

0500

Reserved

3FBF

3FC0

† 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 6. TMS320LC2404A Memory Map

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