ADAV803ASTZ datasheet(38/56 Pages) AD

38 / 56 page

ADAV803

Rev. 0 | Page 38 of 56

icant Byte

Table 31. Transmitter Message Zeros Least Signif

LSBZeros7–0

7, 6, 5, 4, 3, 2, 1, 0

ADDRESS = 0010000 (0x10)

LSBZeros7–0

Least significant byte of the number of zeros to be stuffed between IEC60958-3 messages (packets). Default = 0x09.

able 32. Autobuffer Register

Stuff_IU

Auto_UBits

Auto_CSBits

IU_Zeros3–0

RES

Zero_

3, 2, 1, 0

ADDRESS = 0010001 (0x11)

Zero_Stuff_IU

Enables the addition or subtraction of zeros between IUs during autobuffering of the user bits in IEC60958-3 format.

0 = No zeros added or subtracted.

1 = Zeros can be added or subtracted between IUs.

Enables the user bits to be autobuffered

Auto_UBits

between the AES3/SPDIF receiver and transmitter.

0 = User bits are not autobuffered.

1 = User bits are autobuffered.

ts to be autobuffered between the AES3/SPDIF receiver and transmitter.

s are not autobuffered.

bits are autobuffered.

maximum number of zero-stuffing to be added between IUs while autobuffering up to a maximum of 8.

0111 = 7.

Auto_CSBits

Enables the channel status bi

0 = Channel status bit

1 = Channel status

IU_Zeros3–0

Sets the

0000 = 0.

0001 = 1.

…

1000 = 8.

33. Sample Rat

SRCRATIO14–SRCRATIO08

Table

e Ratio MSB egister (Re

Only)

RES

6, 5, 4, 3, 2, 1, 0

ADDRESS = 0010010 (0x12)

SRCRATIO14–08

Seven most significant bits of the15-bit sample rate ratio.

Table 34. Sample Rate Ratio LSB Register (Read Only)

SRCRATIO07–SRCRATIO00

7, 6, 5, 4, 3, 2, 1, 0

ADDRESS = 0010011 (0x13)

SRCRATIO07–00

Eight least significant bits of the15-bit sample rate ratio.

Table 35. Preamble-C

PRE_C15–PRE_C08

MSB Register (Read Only)

7, 6, 5, 4, 3, 2, 1, 0

ADDRESS = 0010100 (0x14)

PRE_C15–08

Eight most significant bits of the 16-bit Preamble-C, when nonaudio data is detected according to the IEC60937

standard; otherwise, bits show zeros.

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