Microsim Card Slot - Seco SBC-C20 User Manual

59 --- 60
61 --- 62
63 --- 64
65 --- 66
67 --- 68
69 --- 70
71 GND 72
73 GND 74
75 ----

microSIM Card Slot

microSIM Card Slot
Pin Signal Pin
1 UIM_PWR 5
2 UIM_RST# 6
3 UIM_CLK 7
4 --- 8
SBC-C20
SBC-C20 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by C.M. -Copyright © 2020 SECO S.p.A.
W_DISABLE1#: M.2 module disable output signal #1, VDD_3P3V active low output
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UIM_RESET: Reset signal line, sent from M.2 WWAN card to the UIM module.
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UIM_DATA: Bidirectional Data line between M.2 WWAN card and UIM module.
SIM_DETECT
UIM_CLK: Clock line, output from M.2 WWAN card to the UIM module.
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UIM_PWR: Power line for UIM module.
VDD_3P3V
VDD_3P3V
SIM_DETECT: This signal can be forced to VDD_3P3V (through a 10kΩ pull-up resistor) by
using a dedicated jumper, JP3. When JP3 is not placed, this pin will be floating.
VDD_3P3V
Interfaced to the M.2 slot CN26, as already told in paragraph 3.3.10, there is a
CN27
microSIM Card Slot, to be used in conjunction with M.2 Socket 2 Key B modems.
Here it is possible to insert the microSIM card provided by any telecommunication
Signal
operator for the connection to their network.
GND
The socket is type MOLEX. p/n 78800-0001or equivalent, with the pinout shown
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in the table on the left. The signals are already described in par 3.3.10.
UIM_DATA
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30