Specifications

SI4463S9S-V1-C2A SUB-1G Wireless Module
4
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4. Pin Description
Pin
Pin
Name
I/O
Description
1
VCC
-
+1.8 to +3.8V Supply Voltage Input to Module
The recommended VCC supply voltage is +3.3V
2
GND
-
The ground of the power supply
3
IO0
I/O
Direct connection chip GPIO0 digital I/O pin, software
Settings
4
IO1
I/O
Direct connection chip GPIO1 digital I/O pin, software
Settings
5
IRQ
O
NIRQ interrupts the output pin and outputs low level when
an interrupt is generated
6
SCK
I
SPI interface SCLK clock input
7
SDO
O
SPI interface MISO data output
8
SDI
I
SPI interface MOSI data input
9
SEL
I
SPI interface NSEL select input
10
IO2
I/O
Direct connection chip GPIO2 digital I/O pin, software
Settings
11
IO3
I/O
Direct connection chip GPIO3 digital I/O pin, software
Settings
12
SDN
I
Shutdown Input Pin ,SDN=0 for all modes except shutdown
mode,When SDN=1 the module will be completely shut down
and the contents of the internal registers Will be lost
13
TX
I
RF swtich TX path control port
When In TX mode Tx =1;RX=0
14
RX
I
RF switch RX path control port
When In RX Mode Tx =0; RX=1
15
GND
-
The ground of the power supply
16
RF
I/O
The RF signal input/output Port ,50 Ω