Hardware Reference Manual
SOM
Version 1.0
- 25 -
eInfochips Confidential
SOM Pin
No.
Carrier
Board Pin
Number
Signal Name
Default Pin Function
Operating
Voltage Level
J4805.51 J13.51
USB_HS_D_M
USB2.0 High speed negative
-
J4805.52 J13.52
PMIC_SPKR_DRV_P
PMIC speaker out positive
-
J4805.53 J13.53
USB_HS_D_P
USB2.0 High speed positive
-
J4805.54 J13.54
PMIC_MIC3_IN_P
PMIC MIC3 Input positive
J4805.55 J13.55
GND
Ground
-
J4805.56 J13.56
PMIC_MIC3_IN_M
PMIC MIC3 Input negative
-
J4805.57 J13.57
LCD_CABC
PMI Backlight control signal
-
J4805.58 J13.58
PMIC_HPH_R
PMIC Headphone right channel
-
J4805.59 J13.59
USB_SNS
PMI USB sense
5
J4805.60 J13.60
PMC_HPH_REF
PMIC Headphone reference
-
J4805.61 J13.61
LCD_BL_LED_K1
Display backlight LED cathode 1
-
J4805.62 J13.62
PMIC_HPH_L
PMIC Headphone left channel
-
J4805.63 J13.63
LCD_BL_LED_K2
Display backlight LED cathode 2
-
J4805.64 J13.64
PMIC_HS_DET
PMIC Headphone detect
-
J4805.65 J13.65
LCD_VSP
Display Bias supply positive
5.5
J4805.66 J13.66
PMIC_MIC2_IN
PMIC MIC2 Input
J4805.67 J13.67
LCD_VSN
Display Bias supply negative
-5.5
J4805.68 J13.68
GND
Ground
-
J4805.69 J13.69
F_LED1
Flash LED out
-
J4805.70 J13.70
PMIC_MIC1_IN_M
PMIC MIC1 Input negative
-
J4805.71 J13.71
F_LED1
Flash LED out
-
J4805.72 J13.72
PMIC_MIC1_IN_P
PMIC MIC1 Input positive
-
J4805.73 J13.73
LCD_BL_LED_A
Display backlight LED anode
-
J4805.74 J13.74
EAR0_M
Earpiece out negative
-
J4805.75 J13.75
USB_CC1
USB type C input CC1
-
Summary of Contents for Eragon 624 SOM
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