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CLM920_NC3_LTE Module hardware manual
Shanghai Yuge Information Technology co., LTD
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Figure 3-20 PCM short frame mode timing diagram
PCM to analog voice recommendation circuit is as follows
:
Figure 3-21 PCM to analog voice map
3.12 I2C bus
CLM920 NC3 module provides a set of hardware bidirectional serial bus, I2C interface
is 1.8V level, 5.0 protocol interface, clock rate is 400KHz.
Table 3-18 I2C pin definition
Pin
Signal
I/O
Description
Param
Level value (V)
Rem