Hardware Reference Manual
SOM
Version 1.0
- 26 -
eInfochips Confidential
SOM Pin
No.
Carrier
Board Pin
Number
Signal Name
Default Pin Function
Operating
Voltage Level
J4805.76
J13.76
EAR0_P
Earpiece out positive
-
J4805.77
J13.77
USB_CC2
USB type C input CC2
-
J4805.78
J13.78
TX_GTR_THRES
GPIO_112
1.8
J4805.79
J13.79
USB_ID
PMI USB ID input
1.8
J4805.80
J13.80
CDC_LO_M
Codec Lineout negative
-
J4805.81
J13.81
GND
Ground
-
J4805.82
J13.82
CDC_LO_P
Codec Lineout positive
-
J4805.83
J13.83
VREG_L2_1P1
PMIC LDO2 output voltage
1.2
J4805.84
J13.84
PMIC_MIC_BIAS1
PMIC MIC Bias 1 voltage out
-
J4805.85
J13.85
VREG_L2_1P1
PMIC LDO2 output voltage
1.2
J4805.86
J13.86
PMIC_MIC_BIAS2
PMIC MIC Bias 2 voltage out
-
J4805.87
J13.87
VREG_L2_1P1
PMIC LDO2 output voltage
1.2
J4805.88
J13.88
EXT_RF_CLK3
19.2 MHz RF clock 3
-
J4805.89
J13.89
USB_VCONN
USB Type C Vconn supply
-
J4805.90
J13.90
VREG_L11_2P95
PMIC LDO11 output voltage
2.95
J4805.91
J13.91
USB_VCONN
USB Type C Vconn supply
-
J4805.92
J13.92
VREG_L11_2P95
PMIC LDO11 output voltage
2.95
J4805.93
J13.93
VREG_L6_1P8
PMIC LDO6 output voltage
1.8
J4805.94
J13.94
VREG_L11_2P95
PMIC LDO11 output voltage
2.95
J4805.95
J13.95
AUDIO_SLIMBUS_CLK
Audio slimbus clock
1.8
J4805.96
J13.96
VCOIN
Coil cell voltage
-
J4805.97
J13.97
AUDIO_SLIMBUS_D0
Audio slimbus Data 0
1.8
J4805.98
J13.98
VREG_L12_VDDPX2_SDC PMIC LDO12 output voltage
2.95
J4805.99
J13.99
AUDIO_SLIMBUS_D1
Audio slimbus Data 1
1.8
J4805.100 J13.100
VREG_L22_2P8
PMIC LDO22 output voltage
2.8
Summary of Contents for Eragon 624 SOM
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