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AX5243数据手册
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AX5243
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3
BLOCK DIAGRAM
Figure 1. Functional Block Diagram of the AX5243
AX5243
3
ANTP
4
ANTN
IF Filter &
AGC PGAs
AGC
Crystal
Oscillator
typ.
16 MHz
F
OUT
F
XTAL
Communication Controller &
Serial Interface
Divider
ADC
Digital IF
channel
filter
LNA
PA diff
De-
modulator
Encoder
Framing
FIFO
Modulator
Mixer
20
CLK16P
19
CLK16N
Chip configuration
9
SYSCLK
VDD_IO
Voltage
Regulator
POR
Low Power
Oscillator
640 Hz/10kHz
References
Wake on Radio
Registers
14
IRQ
15
TCXO_EN
1,5
16
VDD_ANA
6
FILT
7
L1
RF Frequency
Generation
Subsystem
RF Output
27 MHz –
1.05 GHz
8
L2
GPADC1
Forward E
Correct
rror
17
18
GPADC2
ion
Ra Controlledio r
timing and packet
handling
10
SEL
11
CLK
12
MISO
13
MOSI
SPI
FIFO

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