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CLM920 TD3 LTE Module Hardware Usage Guide
61
STATUS
PCM interface
Pin
Pin definition
24
PCM_IN
25
PCM_OUT
26
PCM_SYNC
27
PCM_CLK
SPI interface
Pin
Pin definition
37
SPI_CS_N
38
SPI_MOSI
39
SPI_MISO
40
SPI_CLK
MCLK
Pin
Pin definition
116
MCLK
ADC interface
Shanghai Yuge Information Technology co., LTD
light indication
DO
Module running status
indication
IO
Functional description
DI
PCM receiving data
DO
PCM interface
IO
PCM frame sync signal
IO
PCM clock pulse
IO
Functional
description
DO
SPI chip
selection
DO
SPI data output
DI
SPI data input
DO
SPI clock
IO
Functional description
DO
12.288M clock output
when not in use
please keep it floating
when not in use
Remarks
please keep it floating when
not in use
please keep it floating when
not in use
please keep it floating when
not in use
please keep it floating when
not in use
Remarks
Reuse I2S_D1 (please keep it
floating when not in use)
Reuse I2S_WS (please keep it
floating when not in use)
Reuse I2S_D0 (please keep it
floating when not in use)
Reuse I2S_SCLK (please keep it
floating when not in use)
Remarks
please keep it floating
when not in use
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