Reference Manual

Hardware Reference Manual
Version 1.0 - 62 - eInfochips Confidential
SIM Card_2 Connector Pin specifications are as follows,
Pin Number
Net Name
Pin Function
J26.1
CONN_SIM2_PWR
SIM2 Power Supply
J26.2
SIM2_RST
SIM2 Reset Signal
J26.3
SIM2_CLK
SIM2 Clock
J26.4
GND
Ground
J26.5
NC
Not Connected
J26.6
SIM2_DATA
SIM2 Data
J26.7
SIM2_DETECT
SIM2 Card Detect
J26.8 to J26.17
SHEILD_GND
Shield Ground
Table 26: IO Card SIM CARD_2 connector (J26) Pinout
6.3.16 Battery
ERAGON660 has a support to connect external rechargeable battery on connector J15 at SBC. Connect
+Ve terminal of battery to J15.5 & J15.6 pin and GND to J15.1 & J15.2 pin.
Figure 28 – SBC Battery Connector (J15)
Battery Connector Pin specifications are as follows,
Pin Number
Net Name
Pin Function
J15.1
GND / VBATT_SNS_M
Ground and Battery Sense Negative
J15.2
GND / VBATT_SNS_M
Ground and Battery Sense Negative
J15.3
BATT_THERM
Battery therm
J15.4
BATT_ID
Battery ID
J15.5
VBATT_CONN /
VBATT_SNS_P
Battery Supply Positive and Battery Sense
Positive
J15.6
VBATT_CONN /
VBATT_SNS_P
Battery Supply Positive and Battery Sense
Positive
Table 27: SBC Battery Connector (J15) Pinout