Functional Block Diagram - Texas Instruments WL18 7MOD Series Manual

WL1807MOD, WL1837MOD
SWRS170J – MARCH 2014 – REVISED APRIL 2021

4 Functional Block Diagram

Figure 4-1 shows a functional block diagram of the WL1837MOD variant.
ZigBee
COEX I/F
BT : UART
WLAN : SDIO
BT EN
WLAN EN
32.768 kHz
VIO
VBAT
NOTE: Dashed lines indicate optional configurations and are not applied by default.
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26M TCXO
PM
Figure 4-1. WL1837MOD Functional Block Diagram
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BG1
WRF2
Aband
WRFA
BG2
WRF1
BT
BTRF
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WL1807MOD WL1837MOD
RF_ANT2
5 GHz
DPDT
D
RF_ANT1
2.4 GHz
SPDT
D
F
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