Hardware Reference Manual
SOM
Version 1.0
- 24 -
eInfochips Confidential
SOM Pin
No.
Carrier
Board Pin
Number
Signal Name
Default Pin Function
Operating
Voltage Level
J4805.26 J13.26
GND
Ground
-
J4805.27 J13.27
VBUS_USB_IN
USB Input from the USB 3.0
Connector
5
J4805.28 J13.28
GND
Ground
-
J4805.29 J13.29
VBUS_USB_IN
USB Input from the USB 3.0
Connector
5
J4805.30 J13.30
VSENSE_BATT_M
PMIC VBATT Voltage negative
sense input
-
J4805.31 J13.31
VBUS_USB_IN
USB Input from the USB 3.0
Connector
5
J4805.32 J13.32
VSENSE_BATT_P
PMIC VBATT Voltage positive
sense input
J4805.33 J13.33
VBUS_USB_IN
USB Input from the USB 3.0
Connector
5
J4805.34 J13.34
VREF_BAT_THERM
Reference Bias voltage for
Battery Thermistor
2.7
J4805.35 J13.35
PMI_CHG_EN
PMI Charge Enable control signal -
J4805.36 J13.36
BAT_THERM
PMI Battery Thermistor signal
-
J4805.37 J13.37
GND
Ground
-
J4805.38 J13.38
BAT_CON_ID
PMI Battery ID Signal
-
J4805.39 J13.39
USB3_SS_TX_P
USB 3.0 Superspeed transmit
positive
-
J4805.40 J13.40
DSI_BACKLIGHT_PWM
Display backlight control signal
1.8
J4805.41 J13.41
USB3_SS_TX_M
USB 3.0 Superspeed transmit
negative
-
J4805.42 J13.42
CODEC_DIV_CLK
9.6 MHz Audio codec Master
clock
1.8
J4805.43 J13.43
GND
Ground
-
J4805.44 J13.44
CODEC_RST_N
Audio codec Reset signal
1.8
J4805.45 J13.45
USB3_SS_RX_P
USB 3.0 Superspeed receive
positive
-
J4805.46 J13.46
AUDIO_INT1
Audio codec interrupt 1
1.8
J4805.47 J13.47
USB3_SS_RX_M
USB 3.0 Superspeed receive
negative
-
J4805.48 J13.48
AUDIO_INT2
Audio interrupt 2
1.8
J4805.49 J13.49
GND
Ground
-
J4805.50 J13.50
PMIC_SPKR_DRV_M
PMIC speaker out negative
-
Summary of Contents for Eragon 624 SOM
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