Yuga CLM920_AC3, Usage Manual

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CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD - 14 -
Pin Definition IO Functional description Remarks
5 NET_MODE DO Module 4G Network Status
Indicator
1.8V, please hang
when not in use
6 NET_STATUS DO Module network status
indication
1.8V, please hang
when not in use
61 STATUS DO Module running status
indication
1.8V, please hang
when not in use
PCM interface
Pin
Definition IO Functional description Remarks
24 PCM_IN DI PCM receiving data 1.8V voltage domain
25 PCM_OUT DO PCM sends data 1.8V voltage domain
26 PCM_SYNC IO PCM frame sync signal 1.8V voltage domain
27 PCM_CLK IO PCM clock pulse 1.8V voltage domain
I2C interface
Pin
Definition IO Functional description Remarks
41 SCL DO I2C bus clock Internal 4.7K pull-up
42 SDA IO I2C bus data Internal 4.7K pull-up
WLAN interface
Pin
Definition IO Functional description Remarks
28 WLAN_WAKE
_HOST DI HOST to SOC wakeup
29 SDC_CLK IO SDIO bus clock output Keep empty when
not in use
30 SDC_CMD IO SDIO bus command output Keep empty when
not in use
31 SDC_D0 IO SDIO bus DATA0 Keep empty when
not in use
32 SDC_D1 IO SDIO bus DATA1 Keep empty when
not in use
33 SDC_D2 IO SDIO bus DATA2 Keep empty when
not in use
34 SDC_D3 IO SDIO bus DATA3 Output