SI4020 Просмотр технического описания (PDF) - Silicon Laboratories

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производитель

SI4020

Universal ISM Band FSK Transmitter

Silicon Laboratories 

Typical Application, Microcontroller Mode

VDD

C1

C2

C3

2.2µF 10nF

GND

Si4020

GP6

To other GP7

circuits GP8

GP9

MICRO

CONTROLLER

GP3

GP4

GP2

GP1

GP0

GND

GP5 CLKin

(EC osc. mode)

OPTIONAL

OPTIONAL

GND

SDI

SCK

nSEL

PB1

PB2

PB3

PB4

CLK

1

16 FSK

2

15 VDD

3

14 nIRQ

4

13 RFP

5 IA4220 12 RFN

6

11 MOD

7

10 VSS

8

9 XTL

X1

10MHz

GND

GND

Antenna

Note: For detailed information about the supply decoupling capacitors see page 6.

4

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