Hardware Reference Manual
SOM
Version 1.0
- 29 -
eInfochips Confidential
SOM Pin
No.
Carrier
Board Pin
Number
Signal Name
Default Pin Function
Operating
Voltage Level
J4804.51 J16.51
ALSP_INT_N
ALSP sensor interrupt
1.8
J4804.52 J16.52
MI2S_2_D1
MI2S2 Data1
1.8
J4804.53 J16.53
GND
Ground
-
J4804.54 J16.54
MI2S_2_WS
MI2S2 Word Sync clock
1.8
J4804.55 J16.55
VREG_L5_1P8
PMIC LDO5 output
1.8
J4804.56 J16.56
MI2S_2_SCK
MI2S2 clock
1.8
J4804.57 J16.57
VREG_L5_1P8
PMIC LDO5 output
1.8
J4804.58 J16.58
BLSP4_UART_TX
BLSP4 UART transmit
1.8
J4804.59 J16.59
GND
Ground
-
J4804.60 J16.60
BLSP4_UART_RX
BLSP4 UART receive
1.8
J4804.61 J16.61
WDOG_DISABLE
Watchdog disable
1.8
J4804.62 J16.62
BLSP4_I2C_SDA
BLSP4 I2C Data
1.8
J4804.63 J16.63
USB_HUB_RST_N
USB HUB reset
1.8
J4804.64 J16.64
BLSP4_I2C_SCL
BLSP4 I2C clock
1.8
J4804.65 J16.65
MI2S_1_D3
MI2S1 Data3
1.8
J4804.66 J16.66
LED_GPIO1
GPIO8/Green LED control
1.8
J4804.67 J16.67
MI2S_1_D0
MI2S1 Data0
1.8
J4804.68 J16.68
MI2S_1_SCK
MI2S1 clock
1.8
J4804.69 J16.69
MI2S_1_WS
MI2S1 Word Sync
1.8
J4804.70 J16.70
MI2S_1_D2
MI2S1 Data2
1.8
J4804.71 J16.71
MAG_INT
Magnetometer Interrupt
1.8
J4804.72 J16.72
MI2S_1_D1
MI2S1 Data1
1.8
J4804.73 J16.73
TEMP_INT
Temperature sensor Interrupt
1.8
J4804.74 J16.74
GND
Ground
-
J4804.75 J16.75
FORCE_USB_BOOT
Force USB Boot
1.8
Summary of Contents for Eragon 624 SOM
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