Owner's manual

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:
Rxmodeonly,allbut: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