TAS5518 datasheet(88/102 Pages) TI

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Serial Control Interface Register Definitions

SLES115 — August 2004

TAS5518

6.23 DRC2 Data Registers (0x9D – 0xA1)

DRC2 applies to channel 8.

Table 6−25. DRC2 Data Registers

I2C

SUBADDRESS

TOTAL

BYTES

DESCRIPTION OF CONTENTS

DEFAULT STATE

Channel 8 DRC2 Energy

U (31:28), E (27:24), E (23:16), E (15:8), E (7:0)

0x00, 0x00, 0x88, 0x3F

0x9D

Channel 8 DRC2 (1− Energy)

U (31:28), 1−E (27:24), 1−E (23:16), 1−E (15:8),

1−E (7:0)

0x00, 0x7F, 0x77, 0xC0

Channel 8 DRC2 Threshold

Upper 16 bits (T1)

U (31:24), U (23:16), T1 (15:8), T1 (7:0)

0x00, 0x00, 0x00, 0x00

0x9E

Channel 8 DRC2 Threshold

Lower 32 bits (T1)

T1 (31:24), T1 (23:16), T1 (15:8), T1 (7:0)

0x0B, 0x20, 0xE2, 0xB2

0x9E

Channel 8 DRC2 Threshold

Upper 16 bits (T2)

U (31:24), U (23:16), T2 (15:8), T2 (7:0)

0x00, 0x00, 0x00, 0x00

Channel 8 DRC2 Threshold

Lower 32 bits (T2)

T2 (31:24), T2 (23:16), T2 (15:8), T2 (7:0)

0x06, 0xF9, 0xDE, 0x58

Channel 8 DRC2 slope (k0)

U (31:28), k0 (27:24), k0 (23:16), k0 (15:8),

k0 (7:0)

0x00, 0x40, 0x00, 0x00

0x9F

Channel 8 DRC2 slope (k1)

U (31:28), k1 (27:24), k1 (23:16), k1 (15:8),

k1 (7:0)

0x0F, 0xC0, 0x00, 0x00

Channel 8 DRC2 slope (k2)

U (31:28), k2 (27:24), k2 (23:16), k2 (15:8),

k2 (7:0)

0x0F, 0x90, 0x00, 0x00

Channel 8 DRC2 Offset 1

Upper 16 bits (O1)

U (31:24), U (23:16), O1 (15:8), O1 (7:0)

0x00, 0x00, 0xFF, 0xFF,

0xA0

Channel 8 DRC2 Offset 1

Lower 32 bits (O1)

O1 (31:24), O1 (23:16), O1 (15:8), O1 (7:0)

0xFF, 0x82, 0x30, 0x98

0xA0

Channel 8 DRC2 Offset 2

Upper 16 bits (O2)

U (31:24), U (23:16), O2 (15:8), O2 (7:0)

0x00, 0x00, 0x00, 0x00

Channel 8 DRC2 Offset 2

Lower 32 bits (O2)

O2 (31:24), O2 (23:16), O2 (15:8), O2 (7:0)

0x01, 0x95, 0xB2, 0xC0

Channel 8 DRC2 Attack

U (31:28), A (27:24), A (23:16), A (15:8), A (7:0)

0x00, 0x00, 0x88, 0x3F

0xA1

Channel 8 DRC2 (1− Attack)

U (31:28), 1−A (27:24), 1−A (23:16), 1−A (15:8),

1−A (7:0)

0x00, 0x7F, 0x77, 0xC0

0xA1

Channel 8 DRC2 Decay

U (31:28), D (27:24), D (23:16), D (15:8), D (7:0)

0x00, 0x00, 0x00, 0xAE

Channel 8 DRC2 (1− Decay)

U (31:28), 1−D (27:24), 1−D (23:16), 1−D (15:8),

1−D (7:0)

0x00, 0x7F, 0xFF, 0x51

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