TAS3204 datasheet(30/72 Pages) TI

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TAS3204

AUDIO DSP

WITH ANALOG INTERFACE

SLES197 – APRIL 2007

Table 6-6. TAS3204 Memory Block Structures (continued)

STARTING

DATA BLOCK FORMAT

SIZE

NOTES

BYTE

Total number of bytes transferred MS byte

12 + data bytes + last checksum bytes. If this is a

2 bytes

termination header, this value is 0000.

Total number of bytes transferred LS byte

0x00

1 bytes

Unused

0x00

1 bytes

Unused

Data Block for Microprocessor Program or Data Memory (Following 12-Byte Header)

Data byte 1 (LS byte)

Data byte 2

4 bytes

1–4 microprocessor bytes

Data byte 3

Data byte 4 (MS byte)

Data byte 5

Data byte 6

4 bytes

5–8 microprocessor bytes

Data byte 7

Data byte 8

•

Data byte 4

×(Z – 1) + 1

Data byte 4

×(Z – 1) + 2

N + 8

4 bytes

Data byte 4

×(Z – 1) + 3

Data byte 4

×(Z – 1) + 4 = N

0x00

N + 12

4 bytes

Repeated checksum bytes 2 through N + 11

Checksum code MS byte

Checksum code LS byte

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

Data byte 1 (LS byte)

Coefficient word 1 (valid data in D27–D0) D7–D0

Data byte 2

D15–D8

4 bytes

Data byte 3

D23–D16

Data byte 4 (MS byte)

D31–D24

Data byte 5

Data byte 6

4 bytes

Coefficient word 2

Data byte 7

Data byte 8

•

Data byte 4

×(Z – 1) + 1

Data byte 4

×(Z – 1) + 2

N + 8

4 bytes

Coefficient word Z

Data byte 4

×(Z – 1) + 3

Data byte 4

×(Z – 1) + 4 = N

0x00

N + 12

4 bytes

Repeated checksum bytes 2 through N + 11

Checksum code MS byte

Checksum code LS byte

Microprocessor Controller

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