User's Manual

H380 M.2 Series Module Hardware User Manual page
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of
41
28
I2S_WA O Left/Right clock
22 I2S_TX O data output
24 I2S_RX I data input
42 GNSS_SDA I/O I2C control signal input/output
40 GNSS_SCL O I2C control clock
5.6.1 I2S Interface Description
H380 Signal Direction Audio CODEC I2S Port
I2S2_CLK I2S_CLK
I2S2_WA I2S_LRCK
I2S2_RX I2S_SDIN
I2S2_TX I2S_SDOUT
SYSCLK I2S_MCLK
5.6.2 I2C Interface Description
H380 Signal Direction Audio CODEC I2C Port
GNSS_SDA I2C_SDA
GNSS_SCL I2C_SCL
Note:

I2S support master or slave mode
 It supports various audio sample rates (48 KHz, 44.1 KHz, 32 KHz, 24 KHz, 22.5 KHz, 16 KHz, 12
KHz, 11.025 KHz and 8 KHz).
5.6.3 PCM Mode Interface Description
H380 Signal Direction Audio CODEC PCM Port
I2S_CLK (PCM_CLK, PCM clock signal ) PCM_CLK (PCM clock signal)
I2S_WA (PCM_SYNC, PCM frame
synchronization signal )
PCM_SYNC (PCM frame
synchronization signal )
I2S_RX (PCM_DIN, PCM data input) PCM_DOUT (PCM data output)
I2S_TX (PCM_DOUT, PCM data output) PCM_DIN (PCM data input)