Installation Instructions

Table Of Contents
L508 Hardware Design
Copyright© Shanghai Mobiletek Communication Ltd 70
68 UART_RX GPIO_51 1.8V B-PU
69 UART_RI GPIO_23 1.8V B-PU
70 UART_DCD GPIO_24 1.8V B-PU
71 UART_TX GPIO_52 1.8V B-PU
72 UART_DTR GPIO_22 1.8V B-PU
73 PCM_OUT GPIO_27 1.8V B-PD
74 PCM_IN GPIO_28 1.8V B-PD
75 PCM_SYNC GPIO_26 1.8V B-PD
76 PCM_CLK GPIO_25 1.8V B-PD
100 RMII_RX_CTRL GPIO_00 RMII_LDO B-PU
101 RMII_RXD0 GPIO_01 RMII_LDO B-PU
102 RMII_RXD1 GPIO_02 RMII_LDO B-PU
103 RMII_CLK GPIO_03 RMII_LDO B-PU
104 RMII_TXD0 GPIO_06 RMII_LDO B-PU
105 RMII_TXD1 GPIO_07 RMII_LDO B-PU
106 RMII_TX_CTRL GPIO_15 RMII_LDO B-PD
107 RMII_INT GPIO_18 RMII_LDO B-PU
109 RMII_MDC GPIO_16 RMII_LDO B-PD
110 RMII_MDIO GPIO_17 RMII_LDO B-PU
112 LCD_BK_EN GPIO_126 1.8V B-PD
114 UART2_TX GPIO_53 1.8V B-PU
115 UART2_RX GPIO_54 1.8V B-PU
116 WLAN_CLK_REQ GPIO_125 1.8V B-PD
123 WLAN_WAKE_HOST GPIO_117 1.8V B-PU
Note: The GPIO level of 100, 101, 102, 103, 104, 105, 106, 107, 109 and 110 pins is determined by
108PIN RMII_LDO, which supports both 1.8V and 3.3V voltages.