Specifications

January 13, 2021
Page 13/31
Document Ref: isp_lora_DS4520_R7
Insight SiP – Green Side – 400 avenue Roumanille – BP 309 – 06906 Sophia-Antipolis Cedex – France – www.insightsip.com
LoRa / BLE MODULE
ISP4520
2.10. Internal Module Connections
The following nRF52 pins are used to communicate with the SX126x and therefore must not be
configured to do anything else.
nRF Pin name
SX126x Pin name
Description
P0.11
DIO1
IRQ
P0.19
NRESET
Reset signal, active low
P0.23
SCK
SPI clock
P0.24
NSS
SPI Slave Select
P0.25
MISO
SPI master input
P0.26
MOSI
SPI master output
P0.27
BUSY
Busy indicator