Datasheet

SX1302
Datasheet Rev 1.0
DS.SX1302.W.APP June 2019
8 of 31
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2. Pin Connections
2.1 Pinout
Table 2-1: Pinout
Pin
Number
Pin Name Direction Description SX1250 SX1255/57
(0) GND Power Ground
1 HOST_CSN Input External HOST SPI CSN pin
2 HOST_MISO Output External HOST SPI MISO pin
3 HOST_MOSI Input External HOST SPI MOSI pin
4 HOST_SCK Input External HOST SPI SCK pin
5 VCC_CORE Power Core supply
6GND Power Ground
7 RESET Input Asynchronous Reset Input
8 PPS Input PPS input from GPS
9GND Power Ground
10 RADIO_CTRL[0] Output Radio A Enable LDO
11 RADIO_CTRL[1] Output Radio A Enable LNA and control switch
12 RADIO_CTRL[2] Output Radio A Enable PA and control switch
13 RADIO_CTRL[3] Output Radio A Reset NRESET RESET
14 VCC_IO Power IO supply
15 GND Power Ground
16 RADIO_CTRL[4] Output Radio A PA gain_0
17 RADIO_CTRL[5] Output Radio A PA gain_1
18 RADIO_B_CSN Output Radio B SPI CSN pin NSS NSS
19 RADIO_B_MOSI Output Radio B SPI MOSI pin MOSI MOSI
20 SP_VALID Input Stream synchronization for FPGA
21 RADIO_B_SCK Output Radio B SPI SCK pin SCK SCK
22 RADIO_CTRL[6] Output Radio B Enable LDO
23 VCC_CORE Power Core supply