Reference Manual

Hardware Reference Manual
Version 1.0 - 58 - eInfochips Confidential
Figure 23 – IO Card DSI to HDMI Audio Connector (J13)
Pin specifications for J26 is mentioned below,
Pin Number
Net Name
J13.1
GND
Ground
J13.2
GND
Ground
J13.3
GPIO_110_HDMI_INT_GPIO
HDMI Interrupt
J13.4
GPIO_29_HDMI_RST_N
HDMI Reset
J13.5
HDMI_MI2S_3_D0
HDMI I2S 3 Data 0 Signal
J13.6
HDMI_MI2S_3_D1
HDMI I2S 3 Data 1 Signal
J13.7
HDMI_MI2S_3_D2
HDMI I2S 3 Data 2 Signal
J13.8
HDMI_MI2S_3_D3
HDMI I2S 3 Data 3 Signal
J13.9
HDMI_MI2S_3_WS
HDMI I2S 3 Word Sync Clock
J13.10
HDMI_MI2S_3_SCK
HDMI I2S 3 I2S Clock
J13.11
BLSP_I2C_SCL_2
I2C 2 Clock
J13.12
BLSP_I2C_SDA_2
I2C 2 Data
J13.13
HDMI_1.8V
1.8V Supply
J13.14
HDMI_1.2V
1.2V Supply
J13.15
HDMI_3.3V
3.3V Supply
J13.16
HDMI_3.3V
3.3V Supply
J13.M1
GND
Ground
J13.M2
GND
Ground
Table 23: IO Card HDMI Audio Connector (J26) Pinout
6.3.13 WiFi + BT chip antenna
As mentioned in ERAGON660 SBC blocks, Default Wi-Fi + BT RF signal routed to Fractus chip antenna
FR05-S1-NO-1-004 (ref ANTENNA1) to radiate. To use the external antenna mount/demount resistor
and connect the external antenna on J8 and J12.
Figure 24 – SBC Routing of UFL cable from SBC to IO Card (J8 & J12)