Microsim Card Slot - Seco SBC-D23 User Manual

of an eventual Wi-Fi PCI-Express Card inserted in the slot. These LEDs can work only if the Wi-Fi Mini PCI Express Card you are using supports and drives them
opportunely through the signals LED_WPAN#, LED_WLAN# and LED_WWAN#.
Blue LED D35: Wireless_PAN present (Bluetooth)
Red LED D36: Wireless_LAN present (for wireless networks)
Green LED D37: Wireless_WAN present (for cellular data, like GSM/GPRS/UMTS)
3.3.4

microSIM Card Slot

microSIM Card Slot
Pin Signal Pin
1 UIM_PWR 5
2 UIM_RST# 6
3 UIM_CLK 7
4 --- 8
3.3.5 microSD Slot
μSD Card Slot
The PX30 SoCs embeds an SD/MMC controller able to support SD/MMC Cards.
CN25
On SBC-D23 board, this controller can manage an optional
Pin Signal
microSD cards, which can be used as Mass Storage and/or Boot Devices.
1 SD_DAT2
2 SD_DAT3
boot.
3 SD_CMD
The connector is a microSD connector, push-push type, H=2mm, p/n TFWF1.
4 VCC_uSD
SD_CLK: SD Clock Line (output).
5 SD_CLK
6 GND
SD_CMD: Command/Response bidirectional line.
7 SD_DAT0
SD_DAT[0÷3]: SD Card data bus. SD_DAT0 signal is used for all communication modes. SD_DAT[1÷3] signals are required for 4-
8 SD_DAT1
bit communication mode.
microSD Card slot is offered as a factory alternative to RS-232 or TTL COM Port #B available on connector CN43. Please check also par. 3.3.13.
SBC-D23
SBC-D23 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by P.Z. - Copyright © 2021 SECO S.p.A.
Interfaced to the miniPCI-e slot CN17, there is a microSIM Card Slot, to be used
CN18
in conjunction with M.2 Socket 2 Key B modems. Here it is possible to insert the
microSIM card provided by any telecommunication operator for the connection to
Signal
their network.
GND
The socket is type TE p/n 2822541-1 or equivalent, with the pinout shown in the
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table on the left. Signal are described in the above paragraph.
UIM_DATA
The signals here available are described in the previous paragraph.
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