UNICORECOMM UM982, Инструкция по установке и эксплуатации

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UC-00-M31 EN P1.0.0 Hardware 9
No. Pin I/O Description
6 SPIS_CSN I Chip select input of SPI slave
7 SPIS_MOSI I Data input of SPI slave
8 SPIS_CLK I Clock input of SPI slave
9 SPIS_MISO O Data output of SPI slave
10 SPIS_SDRY O Interrupt output of SPI slave
11 RSV — Reserved, floating
12 RSV — Reserved, floating
13 RSV — Reserved, floating
14 ERR_STAT O
Abnormal indicator: active high;
outputs high when failing self-detection, and low
when passing
15 PVT_STAT O
PVT positioning indicator: active high;
outputs high when positioning and low when not
positioning
16 RTK_STAT O
RTK positioning indicator: active high;
outputs high with RTK fixed solution, and low with
other positioning status or no positioning
17 RXD1 I COM1 receiving data, LVTTL level
18 TXD1 O COM1 transmitting data, LVTTL level
19 RXD2 I COM2 receiving data, LVTTL level
20 TXD2 O COM2 transmitting data, LVTTL level
21 SCL I/O I 2 C clock
22 SDA I/O I
2
C data
23 VCC POWER Power supply (+3.3 V)
24 VCC POWER Power supply (+3.3 V)
25 BIF —
Built-in function; recommended to add a through-
hole testing point and a 10 kΩ pull-up resistor;