Binary Code
00000000
00101000
01010000
01111000
10110100
Volume Setting
0 dB
-20 dB
-40 dB
-60 dB
-90 dB
Table 6. Example AOUT Volume Settings
7.10 DAC CHANNEL INVERT (ADDRESS 10H)
7
6
5
4
3
2
1
0
Reserved
Reserved
INV_AOUT6
INV_AOUT5
INV_AOUT4
INV_AOUT3
INV_AOUT2
INV_AOUT1
7.10.1 INVERT SIGNAL POLARITY (INV_AOUTX)
Default = 0
0 - Disabled
1 - Enabled
Function:
When enabled, these bits will invert the signal polarity of their respective channels.
7.11 AINX VOLUME CONTROL (ADDRESS 11H-14H)
7
6
5
4
3
2
1
0
AINx_VOL7
AINx_VOL6
AINx_VOL5
AINx_VOL4
AINx_VOL3
AINx_VOL2
AINx_VOL1
AINx_VOL0
7.11.1 AINX VOLUME CONTROL (AINX_VOL[7:0])
Default = 00h
Function:
The level of AIN1 - AIN6 can be adjusted in 0.5 dB increments as dictated by the ADC Soft and Zero
Cross bits (ADC_SZC[1:0]) from +24 to -64 dB. Levels are decoded in two’s complement, as shown
in Table 7.
Binary Code
0111 1111
···
Volume Setting
+24 dB
···
0011 0000
···
+24 dB
···
0000 0000
1111 1111
1111 1110
···
0 dB
-0.5 dB
-1 dB
···
1000 0000
-64 dB
Table 7. Example AIN Volume Settings
46
DS673PP2
CIRRUS [ CIRRUS LOGIC ]
