Installation Instructions

L508 Hardware Design
Copyright© Shanghai Mobiletek Communication Ltd 33
106 RMII_TX_CTRL B_PD
RMII_L
DO
Transmit enable
107 RMII_INT B_PU
RMII_L
DO
RMII interrupt output
108 RMII_LDO PI RMII power input (1.8/3.3V)
109 RMII_MDC B_PD
RMII_L
DO
Management clock
110 RMII_MDIO B_PU
RMII_L
DO
Management data I/O
111 RESERVED -- -- Reserved for other purposes, Keep it open
112 LCD_BK_EN
DO
1.8V
PWM Signal, can be used for backlight
B_PD Configurable I/O
113 WIFI_CLK_26M AO 1.8V 26M clock output
114
#
UART2_TX
DO
1.8V
UART2 transmit data
B_PU Configurable I/O
115
#
UART2_RX
DI
1.8V
UART2 receive data
B_PU Configurable I/O
116 WLAN_CLK_REQ
DI
1.8V
WLAN clock request
B_PD Configurable I/O
117 WLAN_DAT1 B_PU 1.8V Secure digital controller 2 data bit 1
118 WLAN_DAT2 B_PU 1.8V Secure digital controller 2 data bit 2
119 WLAN_CMD B_PU 1.8V Secure digital controller 2command
120 WLAN_DAT3 B_PU 1.8V Secure digital controller 2 data bit 3
121 WLAN_DAT0 B_PU 1.8V Secure digital controller 2 data bit 0
122 WLAN_CLK B_PU 1.8V Secure digital controller 2 clock
123
WLAN_WAKE_H
OST
B_PU 1.8V WLAN interrupt wake up module