Installation Instructions
Table Of Contents
- Contents
- List of Table
- List of Figures
- 1 About this document
- 2 Product Overview
- 3 Mechanical Dimensions
- 4 Interface description
- 4.1 Pin Definition
- 4.2 Operating conditions
- 4.3 Digital logic characteristics
- 4.4 Power interface
- 4.5 USIM card interface
- 4.6 PCM interface
- 4.7 USB2.0 interface
- 4.8 UART interface
- 4.9 SPI interface
- 4.10 I2C interface
- 4.11 Network light
- 4.12 System Status Indication
- 4.13 Flight Mode
- 4.14 Forced USB download interface
- 4.15 SD card interface
- 4.16 SDIO_WIFI/EMMC interface
- 4.17 PCIe interface
- 4.18 RMII/RGMII interface
- 4.19 AUDIO interface
- 4.20 ADC
- 4.21 GPIOs
- 4.22 Power on/off and reset interface
- 4.23 Antenna interface
- 5 Product characteristics
- 6 Design Guideline
- 7 Storage, Production and Package
- 8 Safety Information
- 空白页面
- 空白页面
L508 Hardware Design
Copyright© Shanghai Mobiletek Communication Ltd 66
MODULE
RMII_TXD0
ETHERNET
GPIO_20
RMII_RST
TX0
RMII_TX_CTRL
TX_EN
RMII_RXD1
TX1
RMII_MDIO
MDIO
RMII_INT
RMII_INT
RX1
RX0
RMII_RXD0
RMII_CLK
XI
XO
VDD3.3V
AVDD
RMII_TXD1
RMII_CLK
XTALP
XTALN
DVDD
100K
4.7K
4.7K 4.7K
RMII_MDC
MDC
4.7K
CLK _MODE
4.7K
RX_DV
4.7K
RX_N
TX_N
TX_P
RX_P
RJ45 with
transformer
TD+
RD+
TD-
RD-
LE D1
LE D0
GREEN-
YELLOW-
GREEN+
YELLOW+
VDD3.3V
4.7K 4.7K
300Ω
300Ω
RMII_LDO
Figure 34 RMII Ethernet reference design
MODULE
STATUS
ETHERNET
GPIO_20
RMII_RST
TXD2
TXD3
RMII_MDIO
MDIO
RMII_INT
RMII_INT
XI
XO
VDD3.3V
AVDD
NETLIGHT
XTALP
XTALN
DVDD
4.7K
4.7K 4.7K
RMII_MDC
MDC
RX_N
TX_N
TX_P
RX_P
RJ45 with
transformer
TD1+
TD1-
LE D1
LE D0
GREEN+
YELLOW-
330Ω
0.1uF
0.1uF
0.1uF
0.1uF
TD2+
TD2-
RX_N
TX_N
TX_P
RX_P
TD3+
TD3-
TD4+
TD4-
GREEN-
YELLOW+
330Ω
RMII_DVDD_1V8
4.7K
WAKEUP_IN
TX_CLK
TXD0
TX_CTL
TXD1
RMII_RXD1
RMII_TX_CTRL
50
106
RMII_TXD0
49
51
104
105
WL AN_P DN
RXD2
RXD3
GPIO_05
RX_CLK
RXD0
RX_CTL
RXD1
RMII_RXD1
RMII_RX_CTRL
100
RMII_RXD0
30
84
101
102
RMII_CLK
103
45
RMII_LDO
VDD1V8
15
108
107
110
109
Figure 35 RMII Ethernet reference design
4.19 AUDIO interface