4 Functional Block Diagram
shows a functional block diagram of the WL1835MOD variant.
VIO
ZigBee
COEX
PM
MAC/PHY
32.768 kHz
WLAN_SDIO
BT_UART
WRF1
BTRF
BG2
BT
BG1
MAC/PHY
BT_EN
WLAN_EN
VBAT
RF_ANT1
RF_ANT2
26M XTAL
2.4-GHz
SPDT
WRF2
F
F
Interface
Copyright © 2017, Texas Instruments Incorporated
NOTE: Dashed lines indicate optional configurations and are not applied by default.
Figure 4-1. WL1835MOD Functional Block Diagram
WL1801MOD, WL1805MOD, WL1831MOD, WL1835MOD
SWRS152N – JUNE 2013 – REVISED APRIL 2021
2
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