TAS3108DCPR datasheet(36/63 Pages) TI1

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TAS3108, TAS3108IA

AUDIO DIGITAL SIGNAL PROCESSORS

SLES152B – OCTOBER 2005 – REVISED NOVEMBER 2007

Table 6-5. TAS3108/TAS3108IA Memory Block Structures (continued)

STARTING

DATA BLOCK FORMAT

SIZE

NOTES

BYTE

Data Block for Audio DSP Core Program Memory (Following 12-Byte Header)

Program byte 1 (LS byte)

7 bytes

Program word 1 (valid data in D53–D0) D7–D0

Program byte 2

D15–D8

Program byte 3

D23–D16

Program byte 4

D31–D24

Program byte 5

D39–D32

Program byte 6

D47–D40

Program byte 7 (MS byte)

D55–D48

Program byte 8

7 bytes

Program word 2

Program byte 9

Program byte 10

Program byte 11

Program byte 12

Program byte 14

Program byte 15

•

N + 5

Program byte 7*(Z – 1) + 1

7 bytes

Program word Z

Program byte 7*(Z – 1) + 2

Program byte 7*(Z – 1) + 3

Program byte 7*(Z – 1) + 4

Program byte 7*(Z – 1) + 5

Program byte 7*(Z – 1) + 6

Program byte 7*(Z – 1) + 7 = N

N + 12

0x00

7 bytes

Repeated checksum bytes 2 through N + 11

0x00

Checksum code MS byte

Checksum code LS byte

20-Byte Termination Block (Last Block of Entire Load Block)

BLAST – 19

0x00

2 bytes

First two bytes of termination block are always 0x0000.

0x00

BLAST – 17

0x00

2 bytes

Second two bytes are always 0x001F.

0x1F

BLAST – 15

0x00

1 byte

Last 16 bytes must each be 0x00.

BLAST – 14

0x00

1 byte

•

BLAST

0x00

1 byte

Microprocessor Controller

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