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Pin description – Rainbow Electronics AT86RF211 User Manual

Page 6

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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