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SI86XX Datasheet, PDF (36/52 Pages) Silicon Laboratories – No start-up initialization required
Si86xx
6. Pin Descriptions (Si864x)
VDD1
GND1
A1
A2
A3
A4
NC
GND1
I
RF
XMITR
s
o
RF
RCVR
RF
XMITR
l
RF
RCVR
a
RF
XMITR
t
RF
RCVR
i
RF
XMITR
o
RF
RCVR
n
Si8640
VDD2
GND2
B1
B2
B3
B4
EN2
GND2
VDD1
GND1
A1
A2
A3
A4
EN1
GND1
I
RF
XMITR
s
o
RF
RCVR
RF
XMITR
l
RF
RCVR
a
RF
XMITR
t
RF
RCVR
i
RF
RCVR
o
RF
XMITR
n
Si8641
VDD2
GND2
B1
B2
B3
B4
EN2
GND2
VDD1
GND1
A1
A2
A3
A4
EN1
GND1
I
RF
XMITR
s
o
RF
RCVR
RF
XMITR
l
RF
RCVR
a
RF
RCVR
t
i
RRFF
XRMCIVTRR
RF
RCVR
o RF
XMITR
n
Si8642
VDD2
GND2
B1
B2
B3
B4
EN2
GND2
Name
SOIC-16 Pin#
Type
Description
VDD1
GND1
1
Supply
Side 1 power supply.
21
Ground
Side 1 ground.
A1
3
Digital Input Side 1 digital input.
A2
4
Digital Input Side 1 digital input.
A3
5
Digital I/O Side 1 digital input or output.
A4
EN1/NC2
GND1
GND2
6
Digital I/O Side 1 digital input or output.
7
Digital Input Side 1 active high enable. NC on Si8640.
81
Ground
Side 1 ground.
91
Ground
Side 2 ground.
EN2
10
Digital Input Side 2 active high enable.
B4
11
Digital I/O Side 2 digital input or output.
B3
12
Digital I/O Side 2 digital input or output.
B2
13
Digital Output Side 2 digital output.
B1
GND2
14
Digital Output Side 2 digital output.
151
Ground
Side 2 ground.
VDD2
16
Supply
Side 2 power supply.
Notes:
1. For narrow-body devices, Pin 2 and Pin 8 GND must be externally connected to respective ground. Pin 9 and Pin 15
must also be connected to external ground.
2. No Connect. These pins are not internally connected. They can be left floating, tied to VDD or tied to GND.
36
Rev. 1.0