Gps Chip Antenna; Lte) Connector; Figure 25 - Sbc Routing Of Ufl Cable From Sbc To Io Card (10); Figure 26 - Io Card M.2 Connector (J11) - Arrow einfochips eragon 660 Hardware Referance Manual

Hardware Reference Manual

6.3.14 GPS chip antenna

Connect the GPS external antenna on connector (J10)
Figure 25 – SBC Routing of UFL cable from SBC to IO Card (10)
6.3.15 M.2 (4G LTE) connector
ERAGON660 kit supports 75-pin M.2 connector (J11) to plug 4G LTE modem on IO card. This 4G
module is interfaced with first downstream port of USB Hub which it is connected to SDA660 processor,
MI2S_2 interface, and few other GPIOs of SDA660 and Dual SIM card connectors (SIM1-J27, SIM2-J26).
Pinout specifications of J11 are below,
Pin Number
J11.1
J11.2
J11.3
J11.4
J11.5
J11.6
J11.7
J11.8
Version 1.0
Figure 26 – IO Card M.2 connector (J11)
Figure 27 – IO Card SIM card connectors (J26 & J27)
Net Name
NC
3.7V_LOAD_REG
GND
3.7V_LOAD_REG
GND
LTE_MODEM_POWER
USB_HS_D_P_HOST1
LTE_MODEM_W_DISABLE#1
Not Connected
3.7V Supply For LTE Modem
Ground
3.7V Supply For LTE Modem
Ground
LTE Modem Power Control Signal
USB High Speed Data Positive Signal
LTE RF Radio Disable control GPIO
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