Hardware Reference Manual
SOM
Version 1.0
- 46 -
eInfochips Confidential
J35.63
TP28
Test Point
J35.64
BLSP4_UART_RX
Coexistence UART Receive
J35.65
TP29
Test Point
J35.66
SIM1_DETECT
SIM Card _1 Detect Signal
J35.67
LTE_MODEM_RST#
Modem Reset Signal
J35.68
NC
Not Connected
J35.69
CONFIG_1
DNP Pull Up (1.8V) Option
J35.70
VCC_3V7_LTE_RF
3.7V LTE RF Power Supply
Pin Number
Net Name
Pin Function
J35.71
GND
Ground
J35.72
VCC_3V7_LTE_RF
3.7V LTE RF Power Supply
J35.73
GND
Ground
J35.74
VCC_3V7_LTE_RF
3.7V LTE RF Power Supply
J35.75
CONFIG_2
DNP Pull Up (1.8V) Option
Table 10:
M.2 connector (J35) Pinout
SIM Card_1 Connector Pin specifications are as follows,
Pin Number
Net Name
Pin Function
J38.1
SIM1_PWR_SOCKET
SIM1 Power Supply
J38.2
SIM1_RST_ESD
SIM1 Reset Signal
J38.3
SIM1_CLK_ESD
SIM1 Clock
J38.4
GND
Ground
J38.5
VPP
Vpp Output
J38.6
SIM1_DATA_ESD
SIM1 Data
J38.7
SIM1_DETECT
SIM1 Card Detect
J38.8 to J38.17
SIM_SHEILD_GND
Shield Ground
Table 11:
SIM CARD_1 connector (J38) Pinout
SIM Card_2
Connector Pin specifications are as follows,
Pin Number
Net Name
Pin Function
J36.1
SIM2_PWR_SOCKET
SIM2 Power Supply
J36.2
SIM2_RST_ESD
SIM2 Reset Signal
J36.3
SIM2_CLK_ESD
SIM2 Clock
J36.4
GND
Ground
J36.5
VPP
Vpp Output
J36.6
SIM2_DATA_ESD
SIM2 Data
J36.7
SIM2_DETECT
SIM2 Card Detect
J36.8 to J36.17
SIM_SHEILD_GND
Shield Ground
Table 12:
SIM CARD_2 connector (J36) Pinout
Summary of Contents for Eragon 624 SOM
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