User ManualTable of ContentsChapter 1 General Description61.1 OEM Selectable Features6Chapter 2 Pin Table 7-Port7Table 2.1 7-Port Pin Table7Chapter 3 Pin Configuration 7-Port Hub8Figure 3.1 7-Port 80-Pin TQFP8Chapter 4 7-Port Hub Block Diagram9Figure 4.1 7-Port Block Diagram9Table 4.1 7-Port Hub Pin Descriptions9Table 4.2 SMBus or EEPROM Interface Behavior12Table 4.3 Miscellaneous Pins12Table 4.4 Power, Ground, and No Connect13Table 4.5 Buffer Type Descriptions13Chapter 5 Functional Block Description155.1 7-Port Hub155.1.1 Hub Configuration Options155.1.2 VBus Detect185.2 EEPROM Interface185.2.1 I2C EEPROM185.2.2 In-Circuit EEPROM Programming195.2.3 EEPROM DATA19Table 5.1 User-Defined Descriptor Data195.3 SMBus Slave Interface245.3.1 Bus Protocols24Table 5.2 SMBus Write Byte Protocol25Table 5.3 SMBus Read Byte Protocol255.3.2 Invalid Protocol Response Behavior255.3.3 General Call Address Response255.3.4 Slave Device Time-Out265.3.5 Stretching the SCLK Signal265.3.6 SMBus Timing265.3.7 Bus Reset Sequence265.3.8 SMBus Alert Response Address265.3.9 Internal SMBus Memory Register Set26Table 5.4 SMBus Slave Interface Register Map265.4 Default Configuration Option:325.5 Default Strapping Options:32Figure 5.1 LED Strapping Option335.6 Reset335.6.1 External Hardware RESET_N33Figure 5.2 Reset_N Timing for Default/Strap Option Mode34Table 5.5 Reset_N Timing for Default/Strap Option Mode34Figure 5.3 Reset_N Timing for EEPROM Mode35Table 5.6 Reset_N Timing for EEPROM Mode35Figure 5.4 Reset_N Timing for SMBus Mode36Table 5.7 Reset_N Timing for SMBus Mode365.6.2 USB Bus Reset36Chapter 6 XNOR Test38Chapter 7 DC Parameters397.1 Maximum Guaranteed Ratings397.2 Recommended Operating Conditions40Table 7.1 DC Electrical Characteristics (continued)40Chapter 8 AC Specifications438.1 Oscillator/Clock438.1.1 SMBus Interface:438.1.2 I2C EEPROM:438.1.3 USB 2.043Chapter 9 Package Outline44Figure 9.1 80 Pin TQFP Package Outline (12x12x1.4 mm body - 2 mm footprint)44Table 9.1 80 Pin TQFP Package Parameters44Size: 599 KBPages: 44Language: EnglishOpen manual
User ManualTable of ContentsChapter 1 General Description61.1 OEM Selectable Features6Chapter 2 Pin Table 7-Port7Table 2.1 7-Port Pin Table7Chapter 3 Pin Configuration 7-Port Hub8Figure 3.1 7-Port 80-Pin TQFP8Chapter 4 7-Port Hub Block Diagram9Figure 4.1 7-Port Block Diagram9Table 4.1 7-Port Hub Pin Descriptions9Table 4.2 SMBus or EEPROM Interface Behavior12Table 4.3 Miscellaneous Pins12Table 4.4 Power, Ground, and No Connect13Table 4.5 Buffer Type Descriptions13Chapter 5 Functional Block Description155.1 7-Port Hub155.1.1 Hub Configuration Options155.1.2 VBus Detect185.2 EEPROM Interface185.2.1 I2C EEPROM185.2.2 In-Circuit EEPROM Programming195.2.3 EEPROM DATA19Table 5.1 User-Defined Descriptor Data195.3 SMBus Slave Interface245.3.1 Bus Protocols24Table 5.2 SMBus Write Byte Protocol25Table 5.3 SMBus Read Byte Protocol255.3.2 Invalid Protocol Response Behavior255.3.3 General Call Address Response255.3.4 Slave Device Time-Out265.3.5 Stretching the SCLK Signal265.3.6 SMBus Timing265.3.7 Bus Reset Sequence265.3.8 SMBus Alert Response Address265.3.9 Internal SMBus Memory Register Set26Table 5.4 SMBus Slave Interface Register Map265.4 Default Configuration Option:325.5 Default Strapping Options:32Figure 5.1 LED Strapping Option335.6 Reset335.6.1 External Hardware RESET_N33Figure 5.2 Reset_N Timing for Default/Strap Option Mode34Table 5.5 Reset_N Timing for Default/Strap Option Mode34Figure 5.3 Reset_N Timing for EEPROM Mode35Table 5.6 Reset_N Timing for EEPROM Mode35Figure 5.4 Reset_N Timing for SMBus Mode36Table 5.7 Reset_N Timing for SMBus Mode365.6.2 USB Bus Reset36Chapter 6 XNOR Test38Chapter 7 DC Parameters397.1 Maximum Guaranteed Ratings397.2 Recommended Operating Conditions40Table 7.1 DC Electrical Characteristics (continued)40Chapter 8 AC Specifications438.1 Oscillator/Clock438.1.1 SMBus Interface:438.1.2 I2C EEPROM:438.1.3 USB 2.043Chapter 9 Package Outline44Figure 9.1 80 Pin TQFP Package Outline (12x12x1.4 mm body - 2 mm footprint)44Table 9.1 80 Pin TQFP Package Parameters44Size: 599 KBPages: 44Language: EnglishOpen manual