PRELIMINARY TECHNICAL DATA

REV. PrC

AD1836

–16–

DAC Control Register 2

Function

Address

RD/WR

Reserved

Mute DAC

15, 14, 13, 12

11

10, 9, 8, 7, 6

543210

0001

0

00000

0 = On

0 = On

0 = On

0 = On

0 = On

0 = On

1 = Mute5

1 = Mute4

1 = Mute3

1 = Mute2

1 = Mute1

1 = Mute0

DAC Volume Registers

Function

Address

RD/WR

Reserved

Volume

15, 14, 13, 12

11

10

9:0

0010: DAC 0

0

0

0 to 1023 in 1024 Linear Steps

0011: DAC 1

0100: DAC 2

0101: DAC 3

0110: DAC 4

0111: DAC 5

ADC Control Register 1

Function

Address

RD/WR

RSVD

Filter

Power-Down

Sample Rate

Left Gain

Right Gain

15, 14, 13, 12

11

9, 10

8

7

6

5, 4, 3

2, 1, 0

1100

0

00

0 = DC

0 = Normal

0 = 48 kHz

000 = 0 dB

000 = 0 dB

1 = High-Pass

1 = PWRDWN

1 = 96 kHz

001 = 3 dB

001 = 3 dB

010 = 6 dB

010 = 6 dB

011 = 9 dB

011 = 9 dB

100 = 12 dB

100 = 12 dB

101 = Rsrvd

101 = Rsrvd

110 = Rsrvd

110 = Rsrvd

111 = Rsrvd

111 = Rsrvd

NOTE

High-Pass Filter: 3 Hz High-Pass Filter.

ADC Control Register 2

Master/Slave

SOUT

Word

ADC Mute

Address

RD/WR RSVD

AUX Mode

Mode

Width

Right

Left

Right

Left

15, 14, 13, 12 11

10

9

8, 7, 6

5, 4

3

2

1

0

1101

0

0

0 = Slave

000 = I

00 = 24 Bits

0 = On

0 = On

W/Gain

W/Gain

1 = Master

001 = RJ

01 = 20 Bits

1 = Mute3 1 = Mute2 0 = On

0 = On

010 = DSP

10 = 16 Bits

1 = Mute1 1 = Mute0

011 = LJ

11 = Invalid

100 Packed 256

101 Packed 128

110 Packed

AUX

*

NOTES

*Note that Packed AUX mode affects the entire chip, including the DAC serial mode.

Packed Mode: Four channels are packed into ASDATA1 serial output.

Packed Mode 128: Refer Figure 4.

Packed Mode 256: Refer to Figure 5.

Packed AUX: Refer to Figures 8 to 11.