TQ TQMa6ULxL, Руководство пользователя

Страница: 22 / 38

User's Manual l MBa6ULxL UM 0102 l © 2022, TQ-Systems GmbH Page 17
3.2.9 Mini PCIe and SIM card socket
Two Mini PCIe connectors for full-size Mini PCIe cards (50.95 × 30 mm) are provided on the MBa6ULxL.
Every standard Mini PCIe card can be used
1
. USB_H3, USB_H4, and I2C4 are routed to the connectors, see Table 21.
A SIM card socket to connect an UMTS / GSM modem is available.
The following block diagram shows the interfaces to Mini PCIe 1 and Mini PCIe 2.
USB H3
TQMa6ULxL
Sim card
socket
(X12)
Mini PCIe 1
connector
(X25)
Mini PCIe 2
connector
(X24)
USB H4
I2C4
Figure 13: Block diagram Mini PCIe
The maximum load on the voltages provided for the Mini PCIe card is given in the following table.
Table 20: Current load Mini PCIe
Parameter I
max
Mini PCIe 1 I
max
Mini PCIe 2 Remark
Current @ 1.5 V 0.375 A 0.375 A –
Current @ 3.3 V 1.1 A 1.1 A Default
Current @ 5 V 0.8 A 2.0 A Assembly option
Note: 5 V SIM card
SIM cards, which require a 5 V supply, are only supported by assembly option.
Note: Space between PCB and Mini PCIe card
The space between PCB and Mini PCIe card has to be taken into account!
1: If suitable Mini PCIe card driver software is provided.