ZHCSGM5A August 2017 – November 2017 TLV320AIC3109-Q1
PRODUCTION DATA.
Programming the TLV320AIC3109-Q1 to passive analog bypass occurs by configuring the output stage switches for passthrough. Figure 26 shows that this process is done by opening switches SW-L0, SW-L3, SW-R0, and SW-R3 and closing either SW-L1 and SW-R1. Programming this mode is done by writing to register 108, page 0.
Connecting the MIC1P/LINE1P input signal to the LEFT_LOP pin is done by closing SW-L1 and opening SW-L0; this action is done by writing a 1 to bit 0 in register 108, page 0. Connecting the MIC1M/LINE1M input signal to the LEFT_LOM pin is done by closing SW-L4 and opening SW-L3; this action is done by writing a 1 to bit 1 in register 108, page 0.
Connecting the MIC2P/LINE2P input signal to the RIGHT_LOP pin is done by closing SW-R1 and opening SW-R0; this action is done by writing a 1 to bit 4 in register 108, page 0. Figure 26 shows a diagram of the passive analog bypass mode configuration.