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.
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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
Interfaced to the miniPCI-e slot CN17, there is a 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 operator for the connection to
their network.
The socket is type TE p/n 2822541-1 or equivalent, with the pinout shown in the
table on the left. Signal are described in the above paragraph.
The signals here available are described in the previous paragraph.
3.3.5
microSD Slot
The PX30 SoCs embeds an SD/MMC controller able to support SD/MMC Cards.
On SBC-D23 board, this controller can manage an optional
microSD cards, which can be used as Mass Storage and/or Boot Devices.
boot.
The connector is a microSD connector, push-push type, H=2mm, p/n TFWF1.
SD_CLK: SD Clock Line (output).
SD_CMD: Command/Response bidirectional line.
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-
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.
microSIM Card Slot CN18
Pin
Signal
Pin
Signal
1
UIM_PWR
5
GND
2
UIM_RST#
6
---
3
UIM_CLK
7
UIM_DATA
4
---
8
---
μ
SD Card Slot CN25
Pin
Signal
1
SD_DAT2
2
SD_DAT3
3
SD_CMD
4
VCC_uSD
5
SD_CLK
6
GND
7
SD_DAT0
8
SD_DAT1
