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SI4455-C2A-GMR Datasheet, PDF (11/39 Pages) Silicon Laboratories – EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER, TRANSMITTER, AND RECEIVER
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2. Typical Applications Schematic
Si4x55-C
30 MHz
GP0
GP1
C6
GND 1
15 SDI
GP2
L4
L6
L5
C2
L3
SDN 2
14 SDO
GP3
RXp 3 Si4455 13 SCLK
GP4
RXn 4
12 nIRQ
GP5
L2
TX 5
11 GPIO1
C5
C4
C3
C1
L1
VDD
C7
C8
C9
100 p 100 n 1u
Figure 1. Si4455 Application Circuit
30 MHz
SDN
GP1
C2
L1
L2
C1
GND 1
15 SDI
GP2
SDN 2
14 SDO
GP3
RXp 3 Si4355 13 SCLK
GP4
RXn 4
12 nIRQ
GP5
NC 5
11 GPIO1
VDD
C3
C4
C5
100 p 100 n 1u
Figure 2. Si4355 Applications Circuit
Rev 1.0
11
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