Manuale UtenteSommarioChapter 1 Introduction61.1 Block Diagram6Figure 1.1 Internal Block Diagram61.1.1 Overview61.1.2 USB Hub71.1.3 Ethernet Controller71.1.4 EEPROM Controller71.1.5 Peripherals71.1.6 Power Management7Chapter 2 Pin Description and Configuration9Figure 2.1 LAN9514 64-QFN Pin Assignments (TOP VIEW)9Table 2.1 EEPROM Pins10Table 2.2 JTAG Pins10Table 2.3 Miscellaneous Pins10Table 2.4 USB Pins12Table 2.5 Ethernet PHY Pins14Table 2.6 I/O Power Pins, Core Power Pins, and Ground Pad14Table 2.7 64-QFN Package Pin Assignments152.1 Port Power Control162.1.1 Port Power Control Using a USB Power Switch16Figure 2.2 Port Power Control with USB Power Switch162.1.2 Port Power Control Using a Poly Fuse17Figure 2.3 Port Power Control with Poly Fuse17Figure 2.4 Port Power with Ganged Control with Poly Fuse182.2 Buffer Types19Table 2.8 Buffer Types19Chapter 3 EEPROM Controller (EPC)203.1 EEPROM Format20Table 3.1 EEPROM Format20Table 3.2 Configuration Flags Description223.1.1 Hub Configuration23Table 3.3 Hub Configuration23Table 3.4 Config Data Byte 1 Register (CFG1) Format29Table 3.5 Config Data Byte 2 Register (CFG2) Format30Table 3.6 Config Data Byte 3 Register (CFG3) Format31Table 3.7 Boost_Up Register (BOOSTUP) Format31Table 3.8 Boost_5 Register (BOOST5) Format31Table 3.9 Boost_4:2 Register (BOOST42) Format32Table 3.10 Status/Command Register (STCD) Format323.2 EEPROM Defaults33Table 3.11 EEPROM Defaults333.3 EEPROM Auto-Load333.4 An Example of EEPROM Format Interpretation34Table 3.12 Dump of EEPROM Memory34Table 3.13 EEPROM Example - 256 Byte EEPROM35Chapter 4 Operational Characteristics394.1 Absolute Maximum Ratings*394.2 Operating Conditions**394.3 Power Consumption404.3.1 Operational Current Consumption & Power Dissipation40Table 4.1 Operational Current Consumption & Power Dissipation (VDD33IO = VDD33A = 3.3V)404.4 DC Specifications41Table 4.2 I/O Buffer Characteristics41Table 4.3 100BASE-TX Transceiver Characteristics42Table 4.4 10BASE-T Transceiver Characteristics424.5 AC Specifications434.5.1 Equivalent Test Load43Figure 4.1 Output Equivalent Test Load434.5.2 Reset Timing434.5.3 EEPROM Timing44Figure 4.1 EEPROM Timing44Table 4.5 EEPROM Timing Values444.6 Clock Circuit45Table 4.6 LAN9514 Crystal Specifications45Chapter 5 Package Outline465.1 64-QFN Package46Figure 5.1 LAN9514 64-QFN Package Definition46Table 5.1 LAN9514 64-QFN Dimensions46Figure 5.2 LAN9514 Recommended PCB Land Pattern47Dimensioni: 779 KBPagine: 47Language: EnglishApri il manuale
Manuale UtenteSommarioChapter 1 Introduction61.1 Block Diagram6Figure 1.1 Internal Block Diagram61.1.1 Overview61.1.2 USB Hub71.1.3 Ethernet Controller71.1.4 EEPROM Controller71.1.5 Peripherals71.1.6 Power Management7Chapter 2 Pin Description and Configuration9Figure 2.1 LAN9514 64-QFN Pin Assignments (TOP VIEW)9Table 2.1 EEPROM Pins10Table 2.2 JTAG Pins10Table 2.3 Miscellaneous Pins10Table 2.4 USB Pins12Table 2.5 Ethernet PHY Pins14Table 2.6 I/O Power Pins, Core Power Pins, and Ground Pad14Table 2.7 64-QFN Package Pin Assignments152.1 Port Power Control162.1.1 Port Power Control Using a USB Power Switch16Figure 2.2 Port Power Control with USB Power Switch162.1.2 Port Power Control Using a Poly Fuse17Figure 2.3 Port Power Control with Poly Fuse17Figure 2.4 Port Power with Ganged Control with Poly Fuse182.2 Buffer Types19Table 2.8 Buffer Types19Chapter 3 EEPROM Controller (EPC)203.1 EEPROM Format20Table 3.1 EEPROM Format20Table 3.2 Configuration Flags Description223.1.1 Hub Configuration23Table 3.3 Hub Configuration23Table 3.4 Config Data Byte 1 Register (CFG1) Format29Table 3.5 Config Data Byte 2 Register (CFG2) Format30Table 3.6 Config Data Byte 3 Register (CFG3) Format31Table 3.7 Boost_Up Register (BOOSTUP) Format31Table 3.8 Boost_5 Register (BOOST5) Format31Table 3.9 Boost_4:2 Register (BOOST42) Format32Table 3.10 Status/Command Register (STCD) Format323.2 EEPROM Defaults33Table 3.11 EEPROM Defaults333.3 EEPROM Auto-Load333.4 An Example of EEPROM Format Interpretation34Table 3.12 Dump of EEPROM Memory34Table 3.13 EEPROM Example - 256 Byte EEPROM35Chapter 4 Operational Characteristics394.1 Absolute Maximum Ratings*394.2 Operating Conditions**394.3 Power Consumption404.3.1 Operational Current Consumption & Power Dissipation40Table 4.1 Operational Current Consumption & Power Dissipation (VDD33IO = VDD33A = 3.3V)404.4 DC Specifications41Table 4.2 I/O Buffer Characteristics41Table 4.3 100BASE-TX Transceiver Characteristics42Table 4.4 10BASE-T Transceiver Characteristics424.5 AC Specifications434.5.1 Equivalent Test Load43Figure 4.1 Output Equivalent Test Load434.5.2 Reset Timing434.5.3 EEPROM Timing44Figure 4.1 EEPROM Timing44Table 4.5 EEPROM Timing Values444.6 Clock Circuit45Table 4.6 LAN9514 Crystal Specifications45Chapter 5 Package Outline465.1 64-QFN Package46Figure 5.1 LAN9514 64-QFN Package Definition46Table 5.1 LAN9514 64-QFN Dimensions46Figure 5.2 LAN9514 Recommended PCB Land Pattern47Dimensioni: 779 KBPagine: 47Language: EnglishApri il manuale
