User Manual
CDB8416
6 DS578DB3
SWITCH PURPOSE POSITION FUNCTION SELECTED
S1-H/S
Selects Hardware or Software Mode for 
CS8416 and CS8406.
OPEN
CLOSED
CS8416 and CS8406 are in Hardware Mode.
CS8416 and CS8406 are in Software Mode.
S1-M/S
Selects Master or Slave Mode for LRCK 
and SCLK.
OPEN
CLOSED
CS8416 Master. CS8406 Slave.   
CS8416 Master. CS8406 Slave.
S1-SFMT1
S1-SFMT0
Selects serial audio output format for the 
CS8416 and input format for the CS8406.
00
01
10
11
Left Justified 24 bit
I2S 24 bit 
Right Justified 24 bit
Direct AES3 (CS8416)
Right Justified 16 bit (CS8406)
S3-INPUT
Selects CS8416 receiver input topology.
OPEN
CLOSED
XLR balanced input.
Optical/Coaxial unbalanced input.
S3-8416_PCM
Controls the input/output buffers for the 
CS8416 serial audio port.
OPEN
CLOSED
CS8416 I/O buffers off.
CS8416 I/O buffers on.
S3-NVSEL
Selects between NVERR and RERR.
OPEN
CLOSED
NVERR output selected.
RERR output selected.
S3-RXSEL1
S3-RXSEL0
Hardware mode RXP input channel select 
for the CS8416.
00
01
10
11
RXP0 Selected
RXP1 Selected     
RXP2 Selected
RXP3 Selected
S3-TXSEL1
S3-TXSEL0
Hardware mode TX pass through channel 
select for the CS8416
00
01
10
11
RXP0 pass through to TX
RXP1 pass through to TX  
RXP2 pass through to TX 
RXP3 pass through to TX
S4-8406_PCM
Controls the input/output buffers for the 
CS8406 serial audio port.
OPEN
CLOSED
CS8406 I/O buffers off.
CS8406 I/O buffers on.
S4-TCBLD
Selects the direction of TCBL for the 
CS8406.
OPEN
CLOSED
TCBL set to output.
TCBL set to input.
S4-CEN
Selects input method for channel status, 
user, and validity data.
OPEN
CLOSED
Mode B is selected.
Mode A is selected.
Table 3. CDB8416 Switch Settings










