Reference Manual

Hardware Reference Manual
Version 1.0 - 28 - eInfochips Confidential
J18.21
J17.21
LPI_AUD_CDC_RSTN
Audio codec PDM receive 1
(DRE)/ LPI bit 24
1.8V
J18.22
J17.22
LPI_AUD_CDC_INT1
Audio codec PDM receive 0
(DRE)/LPI bit 22
1.8V
J18.23
J17.23
GND
Ground
-
J18.24
J17.24
LPI_AUD_CDC_INT2
Audio codec PDM receive 1
/LPI bit 23
1.8V
J18.25
J17.25
WCD_MCLK
19.2MHz clock for external audio
codec.
1.8V
J18.26
J17.26
GND
Ground
-
J18.27
J17.27
GND
Ground
-
J18.28
J17.28
LPI_AUD_SB_DATA0
Audio codec PDM transmit data
channel/ LPI bit 20
1.8V
J18.29
J17.29
LTE_WAKE_HOST#
GPIO 75/ Modem wake up signal
to Host.
1.8V
J18.30
J17.30
LPI_AUD_SB_DATA1
Audio codec PDM receive data
channel 0/LPI bit 21
1.8V
J18.31
J17.31
LTE_COEX
GPIO 86/ Modem Antenna
coexistence
1.8V
J18.32
J17.32
GND
Ground
-
J18.33
J17.33
GND
Ground
-
J18.34
J17.34
LPI_AUD_SB_CLK
Audio codec PDM synchronization
signal/ LPI bit 19
1.8V
J18.35
J17.35
FLASH_LED2
Flash LED 2
-
J18.36
J17.36
GND
Ground
-
J18.37
J17.37
FLASH_LED2
Flash LED 2
-
J18.38
J17.38
5V_LOAD
5V Supply from SBC
5V
J18.39
J17.39
FLASH_LED2
Flash LED supply for CSI1.