8.7.3
CS4350
Popguard Enable (POPG_EN) Bit 4
Function:
When set to 1, (default) the Device will initiate a ramping function as outlined in Section 4.7 on page 21.
When set to 0, the outputs will step to VQ upon release of PDN.
8.7.4
RMCK control (RMCK_CTR[1:0]) Bits 3:2
Default = 00
RMCK_CTR1
0
0
1
1
RMCK_CTR0
0
1
0
1
Mode
256x LRCK for 48 kHz and 96 kHz, 128x @ 192kHz
512x @ 48kHz, 256x @ 96 kHz, 128x @ 192kHz
Manual control (see RMCK_RATIO)
RMCK off
Function: These bits set the function of the RMCK pin with respect to the LRCK.
8.7.5
RMCK Ratio Select (R_SELECT[1:0]) Bits 2:1
Default = 00
Function: To select the RMCK-to-LRCK ratio.
R_SELECT1
0
0
1
1
R_SELECT0
0
1
0
1
RMCK/LRCK Ratio
512
256
128
64
Note: RMCK_CTR must be set to 10 to enable this function. Please note the maximum RMCK output
frequency as specified in the ”Switching Specifications - Serial Audio Interface” on page 12.
34
DS691A3