SI4020 Просмотр технического описания (PDF) - Silicon Laboratories
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SI4020 Datasheet PDF : 32 Pages
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Typical Application, EEPROM Mode
VDD
C1
C2
C3
2.2µF 10nF
GND
OPTIONAL
GND
nCS
1
SO
2
nWP 3
GND 4
EEPROM
25AA080
8 VCC
7 HOLD
6 SCK
5 SI
GND
SD
I
SCK
nSEL
PB1
PB2
PB3
PB4
SD0
1
2
3
4
5 IA4220
6
7
8
16 FSK
15 VDD
14 nLBD x
13 RFP
12 RFN
11 MOD
10 VSS
9 XTL
X1
10MHz
Antenna
GND GND
Si4020
Recommended supply decoupling capacitor values
C2 and C3 should be 0603 size ceramic capacitors to achieve the best supply decoupling. The capacitor values are valid for both
stand-alone and microcontroller mode.
Band [MHz]
315
433
868
915
C1
2.2µF
2.2µF
2.2µF
2.2µF
C2
10nF
10nF
10nF
10nF
C3
390pF
220pF
47pF
33pF
6
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