Wlan Interface - YUGE CLM920 TD3 Usage Manual

CLM920 TD3 LTE Module Hardware Usage Guide

3.16 WLAN interface

CLM920 TD3 module provides low power SDIO 3.0 interface for WLAN design.
Pin Signal name
127 PM_ENABLE
129 SDC1_DATA3
130 SDC1_DATA2
131 SDC1_DATA1
132 SDC1_DATA0
133 SDC1_CLK
134 SDC1_CMD
136 WLAN_EN
118 WLAN_SLP_CLK
135 WAKE_WLAN
137 COEX_UART_RXD
138 COEX_UART_TXD
 For the interface multiplexing function, please refer to the corresponding function
chapter.
 When using WLAN, the coexisting serial port needs to be used at the same time.
Coexisting serial port cannot be used as a normal serial port.
CLM920 TD3 module wireless connection interface and YG30 reference design as
shown below：
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Table 3-25 WLAN pin definitions
Description
Power enable
Data bus DATA3
Data bus DATA2
Data bus DATA1
Data bus DATA0
WLAN clock
WLAN command
WLAN enable
WLAN sleep clock
WLAN wake-up
module
WLAN coexistence
reception
WLAN coexistence
transmission
I/O Remarks
DO Keep empty when not in use
IO Keep empty when not in use
IO Keep empty when not in use
IO Keep empty when not in use
IO Keep empty when not in use
DO Keep empty when not in use
IO Keep empty when not in use
DO Keep empty when not in use
DO Keep empty when not in use
DI Keep empty when not in use
DI Keep empty when not in use
DO Keep empty when not in use
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