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Hardware Reference Manual
SOM
Version 1.0
- 30 -
eInfochips Confidential
SOM Pin
No.
Carrier
Board Pin
Number
Signal Name
Default Pin Function
Operating
Voltage Level
J4804.76
J16.76
BLSP6_I2C_SDA
BLSP6 I2C Data
1.8
J4804.77
J16.77
KEY_SNAPSHOT
GPIO86/HDMI Hot Plug detect
1.8
J4804.78
J16.78
BLSP6_I2C_SCL
BLSP6 I2C clock
1.8
J4804.79
J16.79
KEY_VOL_UP_N
GPIO85/ Volume Up key
1.8
J4804.80
J16.80
BLSP6_UART_TX
BLSP6 UART transmit
1.8
J4804.81
J16.81
BLSP8_SPI_CS0_N
BLSP8 SPI CS0
1.8
J4804.82
J16.82
BLSP6_UART_RX
BLSP6 UART receive
1.8
J4804.83
J16.83
KEY_FOCUS
GPIO87/HDMI Interrupt
1.8
J4804.84
J16.84
BLSP8_SPI_CLK
BLSP8 SPI clock
1.8
J4804.85
J16.85
PMI_WLED_EN_N
PMI White LED Enable
-
J4804.86
J16.86
BLSP8_SPI_MOSI
BLSP8 SPI MOSI
1.8
J4804.87
J16.87
GND
Ground
-
J4804.88
J16.88
BLSP8_SPI_MISO
BLSP8 SPI MISO
1.8
J4804.89
J16.89
GND
Ground
-
J4804.90
J16.90
GND
Ground
-
J4804.91
J16.91
PRI_MI2S_MCLK_A
MI2S mater clock A
1.8
J4804.92
J16.92
PM_RESIN_N1
PM Reset input/ Volume Down
-
J4804.93
J16.93
GND
Ground
-
J4804.94
J16.94
KYPD_PWR_N1
Power ON key
1.8
J4804.95
J16.95
PRI_MI2S_MCLK_B
MI2S mater clock B
1.8
J4804.96
J16.96
GND
Ground
-
J4804.97
J16.97
GND
Ground
-
J4804.98
J16.98
PMI_HAP_OUT_N
PMI Haptics Out negative
-
J4804.99
J16.99
PRI_MI2S_MCLK_C
MI2S mater clock C
1.8
J4804.100 J16.100
PMI_HAP_OUT_P
PMI Haptics Out positive
-