Manual Do Utilizadoríndice analíticoChapter 1 General Description61.1 OEM Selectable Features6Chapter 2 Pin Table 3-Port7Chapter 3 Pin Configuration 3-Port Hub8Figure 3.1 3-Port 48-Pin QFN8Chapter 4 3-Port Hub Block Diagram9Figure 4.1 3-Port Block Diagram9Table 4.1 3-Port Hub Pin Descriptions9Table 4.2 SMBus or EEPROM Interface Behavior11Table 4.3 Miscellaneous Pins11Table 4.4 Power, Ground, and No Connect12Table 4.5 Buffer Type Descriptions13Chapter 5 Functional Block Description145.1 3-Port Hub145.1.1 Hub Configuration Options145.1.2 VBus Detect175.2 EEPROM Interface175.2.1 I2C EEPROM175.2.2 In-Circuit EEPROM Programming185.2.3 EEPROM DATA18Table 5.1 User-Defined Descriptor Data185.3 SMBus Slave Interface235.3.1 Bus Protocols23Table 5.2 SMBus Write Byte Protocol24Table 5.3 SMBus Read Byte Protocol245.3.2 Invalid Protocol Response Behavior245.3.3 General Call Address Response245.3.4 Slave Device Time-Out255.3.5 Stretching the SCLK Signal255.3.6 SMBus Timing255.3.7 Bus Reset Sequence255.3.8 SMBus Alert Response Address255.3.9 Internal SMBus Memory Register Set25Table 5.4 SMBus Slave Interface Register Map255.4 Default Configuration Option:315.5 Default Strapping Options:31Figure 5.1 LED Strapping Option325.6 Reset325.6.1 External Hardware RESET_N32Figure 5.2 Reset_N Timing for Default/Strap Option Mode33Table 5.5 Reset_N Timing for Default/Strap Option Mode33Figure 5.3 Reset_N Timing for EEPROM Mode34Table 5.6 Reset_N Timing for EEPROM Mode34Figure 5.4 Reset_N Timing for SMBus Mode35Table 5.7 Reset_N Timing for SMBus Mode355.6.2 USB Bus Reset35Chapter 6 XNOR Test37Chapter 7 DC Parameters387.1 Maximum Guaranteed Ratings387.2 Recommended Operating Conditions39Table 7.1 DC Electrical Characteristics39Chapter 8 AC Specifications428.1 Oscillator/Clock428.1.1 SMBus Interface:428.1.2 I2C EEPROM:428.1.3 USB 2.042Chapter 9 Package Outline43Figure 9.1 48 Pin QFN Package Outline (7x7 mm body - 0.5 mm pitch)43Table 9.1 48 Pin QFN Package Parameters43Tamanho: 600 KBPáginas: 43Language: EnglishAbrir o manual
Manual Do Utilizadoríndice analíticoChapter 1 General Description61.1 OEM Selectable Features6Chapter 2 Pin Table 3-Port7Chapter 3 Pin Configuration 3-Port Hub8Figure 3.1 3-Port 48-Pin QFN8Chapter 4 3-Port Hub Block Diagram9Figure 4.1 3-Port Block Diagram9Table 4.1 3-Port Hub Pin Descriptions9Table 4.2 SMBus or EEPROM Interface Behavior11Table 4.3 Miscellaneous Pins11Table 4.4 Power, Ground, and No Connect12Table 4.5 Buffer Type Descriptions13Chapter 5 Functional Block Description145.1 3-Port Hub145.1.1 Hub Configuration Options145.1.2 VBus Detect175.2 EEPROM Interface175.2.1 I2C EEPROM175.2.2 In-Circuit EEPROM Programming185.2.3 EEPROM DATA18Table 5.1 User-Defined Descriptor Data185.3 SMBus Slave Interface235.3.1 Bus Protocols23Table 5.2 SMBus Write Byte Protocol24Table 5.3 SMBus Read Byte Protocol245.3.2 Invalid Protocol Response Behavior245.3.3 General Call Address Response245.3.4 Slave Device Time-Out255.3.5 Stretching the SCLK Signal255.3.6 SMBus Timing255.3.7 Bus Reset Sequence255.3.8 SMBus Alert Response Address255.3.9 Internal SMBus Memory Register Set25Table 5.4 SMBus Slave Interface Register Map255.4 Default Configuration Option:315.5 Default Strapping Options:31Figure 5.1 LED Strapping Option325.6 Reset325.6.1 External Hardware RESET_N32Figure 5.2 Reset_N Timing for Default/Strap Option Mode33Table 5.5 Reset_N Timing for Default/Strap Option Mode33Figure 5.3 Reset_N Timing for EEPROM Mode34Table 5.6 Reset_N Timing for EEPROM Mode34Figure 5.4 Reset_N Timing for SMBus Mode35Table 5.7 Reset_N Timing for SMBus Mode355.6.2 USB Bus Reset35Chapter 6 XNOR Test37Chapter 7 DC Parameters387.1 Maximum Guaranteed Ratings387.2 Recommended Operating Conditions39Table 7.1 DC Electrical Characteristics39Chapter 8 AC Specifications428.1 Oscillator/Clock428.1.1 SMBus Interface:428.1.2 I2C EEPROM:428.1.3 USB 2.042Chapter 9 Package Outline43Figure 9.1 48 Pin QFN Package Outline (7x7 mm body - 0.5 mm pitch)43Table 9.1 48 Pin QFN Package Parameters43Tamanho: 600 KBPáginas: 43Language: EnglishAbrir o manual
