Manual De UsuarioTabla de contenidosChapter 1 General Description71.1 OEM Selectable Features7Chapter 2 Pin Table 4-Port8Table 2.1 4-Port Pin Table for 64-TQFP8Chapter 3 Pin Configuration 4-Port Hub9Figure 3.1 4-Port 64 Pin TQFP9Chapter 4 4-Port Hub Block Diagram10Figure 4.1 4-Port Block Diagram10Table 4.1 4-Port Hub Pin Descriptions10Table 4.2 SMBus or EEPROM Interface Behavior13Table 4.3 Miscellaneous Pins13Table 4.4 Power, Ground, and No Connect14Table 4.5 Buffer Type Descriptions15Chapter 5 Functional Block Description165.1 4-Port Hub165.1.1 Hub Configuration Options165.1.2 VBus Detect195.2 EEPROM Interface195.2.1 I2C EEPROM195.2.2 In-Circuit EEPROM Programming205.2.3 EEPROM DATA20Table 5.1 User-Defined Descriptor Data205.3 SMBus Slave Interface255.3.1 Bus Protocols25Table 5.2 SMBus Write Byte Protocol26Table 5.3 SMBus Read Byte Protocol265.3.2 Invalid Protocol Response Behavior265.3.3 General Call Address Response265.3.4 Slave Device Time-Out275.3.5 Stretching the SCLK Signal275.3.6 SMBus Timing275.3.7 Bus Reset Sequence275.3.8 SMBus Alert Response Address275.3.9 Internal SMBus Memory Register Set27Table 5.4 SMBus Slave Interface Register Map275.4 Default Configuration Option:335.5 Default Strapping Options:33Figure 5.1 LED Strapping Option345.6 Reset345.6.1 External Hardware RESET_N34Figure 5.2 Reset_N Timing for Default/Strap Option Mode35Table 5.5 Reset_N Timing for Default/Strap Option Mode35Figure 5.3 Reset_N Timing for EEPROM Mode36Table 5.6 Reset_N Timing for EEPROM Mode36Figure 5.4 Reset_N Timing for SMBus Mode37Table 5.7 Reset_N Timing for SMBus Mode375.6.2 USB Bus Reset37Chapter 6 Backward Compatibility to the USB20H04396.1 Internal 1.8V regulator396.2 Configuration by Internal Defaults396.3 Configuration by SMBus396.4 PRTPWR_POL39Chapter 7 XNOR Test40Chapter 8 DC Parameters418.1 Maximum Guaranteed Ratings418.2 Recommended Operating Conditions42Table 8.1 DC Electrical Characteristics42Chapter 9 AC Specifications459.1 Oscillator/Clock459.1.1 SMBus Interface:459.1.2 I2C EEPROM:459.1.3 USB 2.045Chapter 10 Package Outline46Figure 10.1 64 Pin TQFP Package Outline (10x10x1.4 mm body - 2 mm footprint)46Table 10.1 64 Pin TQFP Package Parameters46Tamaño: 600 KBPáginas: 46Language: EnglishManuales abiertas
Manual De UsuarioTabla de contenidosChapter 1 General Description71.1 OEM Selectable Features7Chapter 2 Pin Table 4-Port8Table 2.1 4-Port Pin Table for 64-TQFP8Chapter 3 Pin Configuration 4-Port Hub9Figure 3.1 4-Port 64 Pin TQFP9Chapter 4 4-Port Hub Block Diagram10Figure 4.1 4-Port Block Diagram10Table 4.1 4-Port Hub Pin Descriptions10Table 4.2 SMBus or EEPROM Interface Behavior13Table 4.3 Miscellaneous Pins13Table 4.4 Power, Ground, and No Connect14Table 4.5 Buffer Type Descriptions15Chapter 5 Functional Block Description165.1 4-Port Hub165.1.1 Hub Configuration Options165.1.2 VBus Detect195.2 EEPROM Interface195.2.1 I2C EEPROM195.2.2 In-Circuit EEPROM Programming205.2.3 EEPROM DATA20Table 5.1 User-Defined Descriptor Data205.3 SMBus Slave Interface255.3.1 Bus Protocols25Table 5.2 SMBus Write Byte Protocol26Table 5.3 SMBus Read Byte Protocol265.3.2 Invalid Protocol Response Behavior265.3.3 General Call Address Response265.3.4 Slave Device Time-Out275.3.5 Stretching the SCLK Signal275.3.6 SMBus Timing275.3.7 Bus Reset Sequence275.3.8 SMBus Alert Response Address275.3.9 Internal SMBus Memory Register Set27Table 5.4 SMBus Slave Interface Register Map275.4 Default Configuration Option:335.5 Default Strapping Options:33Figure 5.1 LED Strapping Option345.6 Reset345.6.1 External Hardware RESET_N34Figure 5.2 Reset_N Timing for Default/Strap Option Mode35Table 5.5 Reset_N Timing for Default/Strap Option Mode35Figure 5.3 Reset_N Timing for EEPROM Mode36Table 5.6 Reset_N Timing for EEPROM Mode36Figure 5.4 Reset_N Timing for SMBus Mode37Table 5.7 Reset_N Timing for SMBus Mode375.6.2 USB Bus Reset37Chapter 6 Backward Compatibility to the USB20H04396.1 Internal 1.8V regulator396.2 Configuration by Internal Defaults396.3 Configuration by SMBus396.4 PRTPWR_POL39Chapter 7 XNOR Test40Chapter 8 DC Parameters418.1 Maximum Guaranteed Ratings418.2 Recommended Operating Conditions42Table 8.1 DC Electrical Characteristics42Chapter 9 AC Specifications459.1 Oscillator/Clock459.1.1 SMBus Interface:459.1.2 I2C EEPROM:459.1.3 USB 2.045Chapter 10 Package Outline46Figure 10.1 64 Pin TQFP Package Outline (10x10x1.4 mm body - 2 mm footprint)46Table 10.1 64 Pin TQFP Package Parameters46Tamaño: 600 KBPáginas: 46Language: EnglishManuales abiertas