Product Manual

MeiGProductManualofSLM750Module
SLM750ModuleHardwareDesign Page 53, total 84 pages
WLAN part
Pin name Pin number I/O Description Note
SDC1_DATA3 129 IO WLAN SDIO signal
data line 3
1.8V power domain.
SDC1_DATA2 130 IO WLAN SDIO signal
data line 2
1.8V power domain.
SDC1_DATA1 131 IO WLAN SDIO signal
data line 1
1.8V power domain.
SDC1_DATA0 132 IO WLAN SDIO signal
data line 0
1.8V power domain.
SDC1_CLK 133 DO WLAN SDIO signal
clock
1.8V power domain.
SDC1_CMD 134 IO WLAN SDIO
instruction signal
1.8V power domain.
WLAN_EN 136 DO WLAN enables 1.8V power domain.
Coexistence and control part
Pin name Pin number I/O Description Note
PM_ENABLE 127 DO External 3.3V power
control
1.8V power domain.
WLAN_SLP_CLK 118 DO WLAN sleep clock Output 32kHz clock
WAKE_ON_WIREL
ESS*
135 DI WLAN wakes up the
module
1.8V power domain,
pending development
COEX_UART_RX 137 DI LTE/WLAN&BT
coexistence signal
1.8V power domain.
COEX_UART_TX 138 DO LTE/WLAN&BT
coexistence signal
1.8V power domain.
BT part
Pin name Pin number I/O Description Note
BT_EN 139 DO Bluetooth
enables.
1.8V power domain.
Active high level.
BT_RTS* 37 DO Request sending data 1.8V power domain,
suspend it when unused
BT_TXD* 38 DO Bluetooth
sends data
1.8V power domain.
BT_RXD* 39 DI Bluetooth receives
data
1.8V power domain.
BT_CTS* 40 DI Bluetooth sending
clearance
1.8V power domain.
PCM_IN 24 DI PCM data
input
1.8V power domain.
PCM_OUT 25 PCM data output 1.8V power domain.
PCM_CLK 27 IO PCM clock. 1.8V power domain.
PCM_SYNC 26 IO PCM data
synchronous
1.8V power domain.