Pin description – Rainbow Electronics AT86RF211 User Manual
Page 6

6
AT86RF211
1942C–WIRE–06/02
Pin Description
Notes:
1. All V
CC
pins must be connected in each functional mode (Tx, Rx, wake-up, PDN)
2. To be connected:
Rx mode only, all but: 1, 3, 17, 20, 48
Tx mode only, all but: 15 to 17, 20, 25 to 27, 30 to 36, 45, 48
3. Pin 20 must remain unconnected or connected to ground
Table 1. Pinout
Pin
Name
Comments
Pin
Name
Comments
1
RPOWER
Full scale output power resistor
25
SKFILT
Threshold for data slicer
2
TXGND1
GND
26
DSIN
Data slicer input
3
RF
RF input/output
27
DISCOUT
Discriminator output
4
TXGND2
GND
28
IF2VCC
VCC
5
TXGND3
GND
29
IF2GND
GND
6
TXGND4
GND
30
IF2IN
IF2 amplifier input
7
TXVCC
VCC
31
IF2DEC
2.2 nF to ground
8
TXGND5
GND
32
DISCFILT
Discriminator bypass
9
DIGND
GND
33
IF2OUT
IF2 mixer output
10
DIVCC
VCC
34
IF1DEC
4.7 nF to ground
11
DATAMSG
Input/output digital message
35
IF1IN
IF1 amplifier input
12
SLE
Serial interface enable
36
IF1OUT
IF1 mixer output
13
SCK
Serial interface clock
37
AGND
GND
14
SDATA
Serial interface data
38
AVCC
VCC
15
WAKEUP
Wake-up output
39
CVCC2
VCC
16
DATACLK
Data clock recovery
40
CGND2
GND
17
–
Test pin: do not connect
41
FILT1
Synthesizer output
18
EVCC1
VCC
42
VCOIN
Synthesizer input (VCO)
19
EGND1
GND
43
EVCC2
VCC
20
–
Test pin: do not connect
44
EGND2
GND
21
CGND1
GND
45
RXIN
LNA input from SAW filter
22
CVCC1
VCC
46
RXVCC
VCC
23
XTAL1
Crystal input
47
RXGND
GND
24
XTAL2
Crystal output
48
SWOUT
Switch output