Annexes
R&S
®
ZNA
1650User Manual 1178.6462.02 ─ 20
Structure and syntax of the instrument messages are described in Chapter 7, "Com-
mand reference", on page 880. The chapter also provides a detailed description of all
messages implemented by the analyzer.
12.3.4 RFFE - GPIO interface
For the R&S ZNA, an optional RFFE GPIO interface board is available.
12.3.4.1 Pin assignment
This extension board is equipped with a standard 25-pin female D-sub connector pro-
viding 2 independent RF Front-End (RFFE) interfaces according to the MIPI® Alliance
"System Power Management Interface Specification" and 10 General Purpose Input/
Output (GPIO) ports.
Figure 12-2: D-sub 25-pin female connector, front view
Table 12-2: PIN mapping RFFE - GPIO extension board connector
PIN number Comment
1,3,5,11,22 Ground
2 RFFE1_VIO
4 RFFE2_VIO
6 GPIO 2
7 GPIO 4
8 GPIO 6
9 GPIO 8
10 GPIO 9
12 For future use, please do not connect
13 For future use, please do not connect
14 RFFE1_CLK
15 RFFE1_DATA
16 RFFE2_CLK
17 RFFE2_DATA
18 GPIO 1
Interfaces and connectors
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