TMS320F241FN datasheet(21/122 Pages) TI1

21 / 122 page

TMS320F243, TMS320F241

DSP CONTROLLERS

SPRS064D − DECEMBER 1997 − REVISED FEBRUARY 2006

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

memory maps

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

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

1FFF

2000

External

On-Chip DARAM

(B0)† (CNF = 1)

External (CNF = 0)

Program

FF00

FFFF

Illegal

Reserved†

(CNF = 1)

External (CNF = 0)

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, (8K) − if MP/MC = 0

External Program Memory

− if MP/MC = 1

Interrupt

Vector Table

User Code in

Flash Memory

Reserved

0080

00FF

0100

Reserved

04FF

0500

† 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.

Figure 1. TMS320F243 Memory Map

TMS320F241FN Datasheet(PDF) 21 Page - Texas Instruments

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