UNICORECOMM UM980, Руководство пользователя

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UC-00-M32 EN R1.0 Hardware 9
No. Pin I/O Description
7 VCC_RF 7 O External LNA power supply
8 SPIS_CSN I Chip select input of SPI slave
9 SPIS_MOSI I Data input of SPI slave
10 SPIS_CLK I Clock input of SPI slave
11 SPIS_MISO O Data output of SPI slave
12 GND — Ground
13 RSV — Reserved
14 GND — Ground
15 NC — No internal connections
16 NC — No internal connections
17 NC — No internal connections
18 NC — No internal connections
19 PVT_STAT O
PVT positioning indicator: active high;
outputs high when positioning and low when
not positioning
20 RTK_STAT O
RTK positioning indicator: active high;
outputs high with RTK fixed solution, and low
with other positioning status or no
positioning
21 ERR_STAT O
Abnormal indicator: active high;
outputs high when failing self-detection, and
low when passing
22 RSV — Reserved, recommended to be floating
23 RSV — Reserved, recommended to be floating
7
Not recommended to take VCC_RF as ANT_BIAS to feed the antenna See section 3.1 for more details.