User ManualTable of ContentsChapter 1 Pin Configuration6Figure 1.1 USB2513 36-Pin QFN6Figure 1.2 USB2513 48-Pin QFN7Chapter 2 Block Diagram8Figure 2.1 USB2513 Block Diagram8Chapter 3 Pin Descriptions93.1 PIN Descriptions9Table 3.1 USB2514 Pin Descriptions9Table 3.2 SMBus or EEPROM Interface Behavior15Table 3.3 USB2514 Power, Ground, No Connect163.2 Buffer Type Descriptions16Table 3.4 USB2514 Buffer Type Descriptions16Chapter 4 Configuration Options184.1 3-Port Hub184.1.1 Hub Configuration Options184.1.2 VBus Detect184.2 36 QFN and 48 QFN Feature Differences18Table 4.1 36 QFN and 48 QFN Feature Differences184.3 EEPROM Interface194.3.1 Internal Register Set (Common to EEPROM and SMBus)19Table 4.2 Internal Default, EEPROM and SMBus Register Memory Map19Table 4.3 Port Remap Register for Ports 1 & 231Table 4.4 Port Remap Register for Port 3324.3.2 I2C EEPROM334.3.3 In-Circuit EEPROM Programming334.4 SMBus Slave Interface344.4.1 Bus Protocols34Figure 4.1 Block Write34Figure 4.2 Block Read354.4.2 Invalid Protocol Response Behavior354.4.3 General Call Address Response354.4.4 Slave Device Time-Out354.4.5 Stretching the SCLK Signal354.4.6 SMBus Timing354.4.7 Bus Reset Sequence364.4.8 SMBus Alert Response Address364.5 Default Configuration Option:364.6 Default Strapping Options:36Figure 4.3 LED Strapping Option374.7 Reset374.7.1 Internal POR Hardware Reset374.7.2 External Hardware RESET_N37Figure 4.4 Reset_N Timing for Default/Strap Option Mode38Table 4.5 Reset_N Timing for Default/Strap Option Mode38Figure 4.5 Reset_N Timing for EEPROM Mode39Table 4.6 Reset_N Timing for EEPROM Mode39Figure 4.6 Reset_N Timing for SMBus Mode40Table 4.7 Reset_N Timing for SMBus Mode404.7.3 USB Bus Reset40Chapter 5 DC Parameters425.1 Maximum Guaranteed Ratings425.2 Recommended Operating Conditions42Table 5.1 DC Electrical Characteristics43Table 5.2 Pin Capacitance45Chapter 6 AC Specifications466.1 Oscillator/Clock46Figure 6.1 Typical Crystal Circuit46Figure 6.2 Formula to find value of C1 and C2466.1.1 SMBus Interface:466.1.2 I2C EEPROM:466.1.3 USB 2.046Chapter 7 Package Outlines47Figure 7.1 36-Pin QFN, 6x6mm Body, 0.5mm Pitch47Figure 7.2 48-Pin QFN, 7x7mm Body, 0.5mm Pitch48Size: 987 KBPages: 48Language: EnglishOpen manual
User ManualTable of ContentsChapter 1 Pin Configuration6Figure 1.1 USB2513 36-Pin QFN6Figure 1.2 USB2513 48-Pin QFN7Chapter 2 Block Diagram8Figure 2.1 USB2513 Block Diagram8Chapter 3 Pin Descriptions93.1 PIN Descriptions9Table 3.1 USB2514 Pin Descriptions9Table 3.2 SMBus or EEPROM Interface Behavior15Table 3.3 USB2514 Power, Ground, No Connect163.2 Buffer Type Descriptions16Table 3.4 USB2514 Buffer Type Descriptions16Chapter 4 Configuration Options184.1 3-Port Hub184.1.1 Hub Configuration Options184.1.2 VBus Detect184.2 36 QFN and 48 QFN Feature Differences18Table 4.1 36 QFN and 48 QFN Feature Differences184.3 EEPROM Interface194.3.1 Internal Register Set (Common to EEPROM and SMBus)19Table 4.2 Internal Default, EEPROM and SMBus Register Memory Map19Table 4.3 Port Remap Register for Ports 1 & 231Table 4.4 Port Remap Register for Port 3324.3.2 I2C EEPROM334.3.3 In-Circuit EEPROM Programming334.4 SMBus Slave Interface344.4.1 Bus Protocols34Figure 4.1 Block Write34Figure 4.2 Block Read354.4.2 Invalid Protocol Response Behavior354.4.3 General Call Address Response354.4.4 Slave Device Time-Out354.4.5 Stretching the SCLK Signal354.4.6 SMBus Timing354.4.7 Bus Reset Sequence364.4.8 SMBus Alert Response Address364.5 Default Configuration Option:364.6 Default Strapping Options:36Figure 4.3 LED Strapping Option374.7 Reset374.7.1 Internal POR Hardware Reset374.7.2 External Hardware RESET_N37Figure 4.4 Reset_N Timing for Default/Strap Option Mode38Table 4.5 Reset_N Timing for Default/Strap Option Mode38Figure 4.5 Reset_N Timing for EEPROM Mode39Table 4.6 Reset_N Timing for EEPROM Mode39Figure 4.6 Reset_N Timing for SMBus Mode40Table 4.7 Reset_N Timing for SMBus Mode404.7.3 USB Bus Reset40Chapter 5 DC Parameters425.1 Maximum Guaranteed Ratings425.2 Recommended Operating Conditions42Table 5.1 DC Electrical Characteristics43Table 5.2 Pin Capacitance45Chapter 6 AC Specifications466.1 Oscillator/Clock46Figure 6.1 Typical Crystal Circuit46Figure 6.2 Formula to find value of C1 and C2466.1.1 SMBus Interface:466.1.2 I2C EEPROM:466.1.3 USB 2.046Chapter 7 Package Outlines47Figure 7.1 36-Pin QFN, 6x6mm Body, 0.5mm Pitch47Figure 7.2 48-Pin QFN, 7x7mm Body, 0.5mm Pitch48Size: 987 KBPages: 48Language: EnglishOpen manual