Reference Manual

Hardware Reference Manual
Version 1.0 - 22 - eInfochips Confidential
The Eragon660 SBC and IO Card are interfaced through three Hirose DF40C-100DP-0.4V (51) Connectors.
The pin outs for these three connectors is described below,
SBC Pin
No.
I/O Card
Pin No.
Signal Name
Default Pin Function
Voltage
Level
J16.1
J14.1
GND
Ground
-
J16.2
J14.2
GND
Ground
-
J16.3
J14.3
LPI_GPIO29_EXTR4
LPI_GPIO_29
1.8V
J16.4
J14.4
LPI_I2C_3_SDA
LPI_I2C_3_SDA
1.8V
J16.5
J14.5
LPI_GPIO26_EXTR1
LPI_GPIO26
1.8V
J16.6
J14.6
LPI_I2C_3_SCL
LPI_I2C_3_SCL
1.8V
J16.7
J14.7
LPI_GPIO27_EXTR2
LPI_GPIO27
1.8V
J16.8
J14.8
GND
Ground
-
J16.9
J14.9
GND
Ground
-
J16.10
J14.10
LPI_UART_2_TX
LPI_GPIO_14
1.8V
J16.11
J14.11
BLSP_I2C_SCL_6
BLSP 6 - I2C CLOCK
1.8V
J16.12
J14.12
LPI_UART_2_RX
LPI_GPIO_15
1.8V
J16.13
J14.13
BLSP_I2C_SDA_6
BLSP 6 - I2C DATA
1.8V
J16.14
J14.14
GND
Ground
-
J16.15
J14.15
GND
Ground
-
J16.16
J14.16
LPI_GPIO28_EXTR3
LPI_GPIO28
1.8V
J16.17
J14.17
HDMI_MI2S_3_SCK
MI2S Clock signal
1.8V
J16.18
J14.18
GND
Ground
-
J16.19
J14.19
HDMI_MI2S_3_D1
MI2S Data1 signal
1.8V
J16.20
J14.20
GND
Ground
-
J16.21
J14.21
HDMI_MI2S_3_WS
MI2S Word Select signal
1.8V