Integration Manual

TOBY-L2 and MPCI-L2 series - System Integration Manual
UBX-13004618 - R26 System description
Page 14 of 162
1.3 Pin-out
1.3.1 TOBY-L2 series pin assignment
Table 3 lists the pin-out of the TOBY-L2 series modules, with pins grouped by function.
Function
Pin Name
Pin No
I/O
Description
Remarks
Power
VCC
70,71,72
I
Module supply input
VCC pins are internally connected each other.
VCC supply circuit affects the RF performance and
compliance of the device integrating the module with
applicable required certification schemes.
See section 1.5.1 for functional description / requirements.
See section 2.2.1 for external circuit design-in.
GND
2, 30, 32, 44,
46, 69, 73, 74,
76, 78, 79, 80,
82, 83, 85, 86,
88-90, 92-152
N/A
Ground
GND pins are internally connected each other.
External ground connection affects the RF and thermal
performance of the device.
See section 1.5.1 for functional description.
See section 2.2.1 for external circuit design-in.
V_BCKP
3
I/O
RTC supply
input/output
V_BCKP = 3.0 V (typical) generated by internal regulator
when valid VCC supply is present.
See section 1.5.2 for functional description.
See section 2.2.2 for external circuit design-in.
V_INT
5
O
Generic digital
interfaces supply
output
V_INT = 1.8 V (typical) generated by internal regulator
when the module is switched on.
Test-Point for diagnostic access is recommended.
See section 1.5.3 for functional description.
See section 2.2.3 for external circuit design-in.
System
PWR_ON
20
I
Power-on input
Internal active pull-up to the VCC enabled.
See section 1.6.1 for functional description.
See section 2.3.1 for external circuit design-in.
RESET_N
23
I
External reset input
Internal active pull-up to the VCC enabled.
Test-Point for diagnostic access is recommended.
See section 1.6.3 for functional description.
See section 2.3.2 for external circuit design-in.
HOST_SELECT0
26
I
Selection of module
configuration by the
host processor
Not supported by all the product versions.
See section 1.6.4 for functional description.
See section 2.3.3 for external circuit design-in.
HOST_SELECT1
62
I
Selection of module
configuration by the
host processor
Not supported by all the product versions.
See section 1.6.4 for functional description.
See section 2.3.3 for external circuit design-in.
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 for functional description / requirements.
See section 2.4 for external circuit design-in.
ANT2
87
I
Secondary antenna
Rx only for MIMO 2x2 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 for functional description / requirements
See section 2.4 for external circuit design-in.
ANT_DET
75
I
Antenna detection
Not supported by “00”, “01”, “60” product versions.
See section 1.7.2 for functional description.
See section 2.4.2 for external circuit design-in.