TMS320VC5510 datasheet(23/86 Pages) TI

23 / 86 page

Functional Overview

June 2000 − Revised July 2004

SPRS076J

3.1

Memory

The 5510 supports a unified memory map (program and data accesses are made to the same physical space).

The total on-chip memory is 352K bytes (176K 16-bit words).

3.1.1 On-Chip Dual-Access RAM (DARAM)

The DARAM is located in the byte address range 000000h−00FFFFh and is composed of eight blocks of

8K-bytes each (see Table 3−1). Each DARAM block can perform two accesses per cycle (two reads, two

writes, or a read and a write). DARAM can be accessed by the internal program, data, or DMA buses.

Table 3−1. DARAM Blocks

BYTE ADDRESS RANGE

MEMORY BLOCK

000000h − 001FFFh

DARAM 0

002000h − 003FFFh

DARAM 1

004000h − 005FFFh

DARAM 2

006000h − 007FFFh

DARAM 3

008000h − 009FFFh

DARAM 4

00A000h − 00BFFFh

DARAM 5

00C000h − 00DFFFh

DARAM 6

00E000h − 00FFFFh

DARAM 7

3.1.2 On-Chip Single-Access RAM (SARAM)

The SARAM is located at the byte address range 010000h−04FFFFh and is composed of 32 blocks of

8K-bytes each (see Table 3−2). Each SARAM block can perform one access per cycle (one read or one write).

SARAM can be accessed by the internal program, data, or DMA buses.

Table 3−2. SARAM Blocks

BYTE ADDRESS RANGE

MEMORY BLOCK

BYTE ADDRESS RANGE

MEMORY BLOCK

010000h − 011FFFh

SARAM 0

030000h − 031FFFh

SARAM 16

012000h − 013FFFh

SARAM 1

032000h − 033FFFh

SARAM 17

014000h − 015FFFh

SARAM 2

034000h − 035FFFh

SARAM 18

016000h − 017FFFh

SARAM 3

036000h − 037FFFh

SARAM 19

018000h − 019FFFh

SARAM 4

038000h − 039FFFh

SARAM 20

01A000h − 01BFFFh

SARAM 5

03A000h − 03BFFFh

SARAM 21

01C000h − 01DFFFh

SARAM 6

03C000h − 03DFFFh

SARAM 22

01E000h − 01FFFFh

SARAM 7

03E000h − 03FFFFh

SARAM 23

020000h − 021FFFh

SARAM 8

040000h − 041FFFh

SARAM 24

022000h − 023FFFh

SARAM 9

042000h − 043FFFh

SARAM 25

024000h − 025FFFh

SARAM 10

044000h − 045FFFh

SARAM 26

026000h − 027FFFh

SARAM 11

046000h − 047FFFh

SARAM 27

028000h − 029FFFh

SARAM 12

048000h − 049FFFh

SARAM 28

02A000h − 02BFFFh

SARAM 13

04A000h − 04BFFFh

SARAM 29

02C000h − 02DFFFh

SARAM 14

04C000h − 04DFFFh

SARAM 30

02E000h − 02FFFFh

SARAM 15

04E000h − 04FFFFh

SARAM 31

TMS320VC5510 Datasheet(PDF) 23 Page - Texas Instruments

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