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 18
LDO_1V8
LDO_USIM
PMU
26M
DCXO
ANT_MAIN
VBAT_BB
SPI GPIOsI2SI2C
NOR
FLASH
HB
PWRKEY
RESET
ADC
3G/LTE
RF PA
GSM
GPRS
EDGE PA
+SWITCH
TX SAW
TX SAW
Duplexer
Duplexer
Duplexer
Duplexer
Duplexer
Duplexer
Duplexer
LNA
MB
LB
2G_HB
2G_LB
B28
B5
B3
B1
B8
B4& B66
B7
B40
B38/40/41
B40
B38/41
B7
B4& B66
B8
B1
B3
B5
B28
RFFE
RFFE
RF
SWITCH
RX SAW
RX SAW
RX SAW
RX SAW
RX SAW
RX SAW
RX SAW
RX SAW
B40
CPU
B38/ 41 Or B7
B1& B4& B66
B2
B28
B3
B8
B28A/B O r B 5
B7
WLAN
SDIO
MIC
SD
UART
USIM
USB
RMII
RMII_LDO
PCI E
EAR
VBAT_RF
ANT_DRX
VAON
MIC_BIAS
TX SAW
B34/39
RX SAW
B34/39
SP2T
SWITCH
RX SAW
RX SAW
B34/39
GPS SAW LNA
ANT_GPS
LDO _1V8
LDO _2V8
TCXO32K
UA RT2
Figure 2 L508LA Functional Block Diagram