Product Info

LTE Module Series
BG96 Hardware Design
BG96_Hardware_Design 49 / 81
terms of both module input and output circuit designs, but please pay attention
to the direction of connection.
Figure 17: Reference Circuit with Transistor Circuit
Transistor circuit solution is not suitable for applications with high baud rates exceeding 460Kbps.
3.11. PCM* and I2C* Interfaces
BG96 provides one Pulse Code Modulation (PCM)digital interface and one I2C interface. The following
table shows the pin definition of the two interfaces which can be applied on audio codec design.
Table 15: Pin Definition of PCM and I2C Interfaces
Pin Name Pin No. I/O Description Comment
PCM_CLK* 4 DO PCM clock output 1.8V power domain
PCM_SYNC* 5 DO
PCMframe synchronization
output
1.8V power domain
NOTE