TMS320F datasheet(36/389 Pages) TI

36 / 389 page

Overview of Memory and I/O Spaces

3-3

Memory and I/O Spaces

Figure 3–1. Generic Memory Maps for ’C24x DSP Controllers

Reserved/

illegal

Reserved/

illegal

Reserved/

illegal

0000

005F

0060

01FF

02FF

0300

0200

03FF

0400

7000

Peripheral memory-

mapped registers

(system,WD, ADC,

SCI, SPI, CAN, I/O,

interrupts)

73FF

7400

743F

7440

Data

Hex

007F

0080

8000

External

FFFF

7FFF

Memory-mapped

registers/reserved

addresses

On-chip

DARAM B2

On-chip DARAM

(B0)‡ (CNF = 0)

reserved (CNF = 1)

On-chip

DARAM (B1)§

6FFF

Peripheral

memory-mapped

registers

(event manager)

0000

003F

0040

FEFF

FDFF

FE00

Hex

External

On-chip DARAM

(B0)† (CNF = 1)

external (CNF = 0)

Program

FF00

FFFF

Illegal

Interrupt

vectors

Reserved†

(CNF = 1)

external (CNF = 0)

On-chip

Flash/ROM

0000

External

FF0E

I/O

Hex

FFFF

Wait-state generator

control register

(on-chip)

Flash control

mode register

Reserved

FEFF

FF00

FF10

FFFE

FF0F

On-chip FLASH memory, (16K or 8K) if MP/MC = 0

external program memory, if MP/MC = 1

3FFF or 1FFF

4000 or 2000

† 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 will have the same effect as a write to FF00h. For simplicity, addresses FE00h–FEFFh

are referred to as reserved when CNF = 1.

‡ 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 will have 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.

TMS320F Datasheet(PDF) 36 Page - Texas Instruments

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