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Chengdu Ebyte Electronic Technology Co.,Ltd.
5
3 Size and pin definition
No.
Name
Direction
Function
1
GND
Ground
2
SDN
input
Shutdown Input Pin. It is low level when working
(See SI4463 manual for more details)
3
NC
-
4
nSEL
input
SPI Chip select for starting SPI communication
5
MOSI
input
SPI master output slave input
6
GND
Ground
7
MISO
output
SPI master input slave output
8
SCK
input
Serial Clock Input
9
IRQ
output
SPI interrupt request
10
GPIO1
input/output
GPIO
（
see more from SI4463 datasheet
）
11
GPIO0
input/output
GPIO
（
see more from SI4463 datasheet
）
12
VCC
Power supply
：
1.8~ 3.6 V DC, 3.3V is recommended
