Integration Manual

TSD-19090601 - R15 Contents Page 13 of 143
Function
Pin Name
Pin No
I/O
Description
Remarks
Antennas
ANT1
81
I/O
Primary antenna
Main Tx / Rx antenna interface.
50  nominal characteristic impedance.
Antenna circuit affects the RF performance and application
device compliance with required certification schemes.
See section 1.7.1 for functional description / requirements.
See section 2.4 for external circuit design-in.
ANT2
87
I
Secondary antenna
Rx only for Down-Link, MIMO and Rx diversity.
50  nominal characteristic impedance.
Antenna circuit affects the RF performance and application
device compliance with required certification schemes.
See section 1.7.1 for functional description / requirements.
See section 2.4 for external circuit design-in.
ANT_DET
75
I
Antenna detection
ADC for antenna presence detection function.
See section 1.7.2 for functional description.
See section 2.4.2 for external circuit design-in.
SIM
VSIM
59
O
SIM supply output
VSIM = 1.8 V / 3 V output as per the connected SIM type.
See section 1.8 for functional description.
See section 2.5 for external circuit design-in.
SIM_IO
57
I/O
SIM data
Data input/output for 1.8 V / 3 V SIM.
Internal 4.7 k pull-up to VSIM.
See section 1.8 for functional description.
See section 2.5 for external circuit design-in.
SIM_CLK
56
O
SIM clock
3.9 MHz clock output for 1.8 V / 3 V SIM.
See section 1.8 for functional description.
See section 2.5 for external circuit design-in.
SIM_RST
58
O
SIM reset
Reset output for 1.8 V / 3 V SIM.
See section 1.8 for functional description.
See section 2.5 for external circuit design-in.
USB
VUSB_DET
4
I
USB detect input
VBUS (5 V typical) must be connected to this pin to enable
the module USB device interface.
Test-Point for diagnostic / FW update access is
recommended.
See section 1.8.1 for functional description.
See section 2.6.1 for external circuit design-in.
USB_D–
27
I/O
USB High-Speed 2.0
diff. transceiver (–)
90  nominal differential impedance (Z
0
).
30  nominal common mode impedance (Z
CM
).
Pull-up or pull-down resistors and external series resistors as
required by the USB 2.0 specs [4] are part of the USB pin
driver and need not be provided externally.
Test-Point for diagnostic / FW update access is
recommended.
See section 1.9.1 for functional description.
See section 2.6.1 for external circuit design-in.