ユーザーズマニュアル目次Chapter 1 Overview7Chapter 2 Acronyms10Chapter 3 Pin Configuration11Figure 3.1 USB4640/USB4640i 48-Pin QFN11Chapter 4 Block Diagram12Figure 4.1 USB4640/USB4640i Block Diagram12Chapter 5 Pin Table135.1 48-Pin Table13Table 5.1 USB4640/USB4640i 48-Pin Table13Chapter 6 Pin Descriptions156.1 USB4640/USB4640i Pin Descriptions15Table 6.1 USB4640/USB4640i Pin Descriptions156.2 Buffer Type Descriptions21Table 6.2 USB4640/USB4640i Buffer Type Descriptions216.3 Port Power Control22Figure 6.1 Port Power Control with USB Power Switch22Figure 6.2 Port Power Control with a Single Poly Fuse and Multiple Loads23Figure 6.3 Port Power with Ganged Control with Poly Fuse236.4 ROM BOOT Sequence24Figure 6.4 SPI ROM Connection24Figure 6.5 I2C Connection24Chapter 7 Pin Reset States25Figure 7.1 Pin Reset States25Table 7.1 Legend for Pin Reset States Table257.1 Pin Reset States25Table 7.2 USB4640/USB4640i Reset States Table25Chapter 8 Configuration Options288.1 Hub288.1.1 Hub Configuration Options288.2 Card Reader288.3 System Configurations288.3.1 EEPROM/SPI Interface288.3.2 EEPROM Data Descriptor29Table 8.1 Internal Flash Media Controller Configurations29Table 8.2 Hub Controller Configurations31Table 8.3 Other Internal Configurations318.4 Set bit 7 of bmAttribute to enable the registers in Table 8.4.32Table 8.4 Internal Flash Media Controller Extended Configurations328.4.1 EEPROM Data Descriptor Register Descriptions328.4.2 A0h-A7h: Device Power Configuration378.4.3 Device ID Strings398.4.4 Hub Controller Configurations40Table 8.5 Port Map Register for Ports 1 & 248Table 8.6 Port Map Register for Port 3498.4.5 Internal Flash Media Controller Extended Configurations508.4.6 I2C EEPROM528.4.7 In-Circuit EEPROM Programming528.5 Default Configuration Option528.6 Reset528.6.1 Internal POR Hardware Reset528.6.2 External Hardware nRESET52Figure 8.1 nRESET Timing for EEPROM Mode53Table 8.7 nRESET Timing for EEPROM Mode538.6.3 USB Bus Reset53Chapter 9 AC Specifications549.1 Oscillator/Crystal54Figure 9.1 Typical Crystal Circuit54Table 9.1 Crystal Circuit Legend54Figure 9.2 Capacitance Formulas549.2 Ceramic Resonator55Figure 9.3 Ceramic Resonator Usage with SMSC IC559.3 External Clock559.3.1 I2C EEPROM559.3.2 USB 2.055Chapter 10 DC Parameters5610.1 Maximum Guaranteed Ratings56Figure 10.1 Supply Rise Time Model5610.2 Operating Conditions5710.3 DC Electrical Characteristics5710.4 Capacitance61Table 10.1 Pin Capacitance61Chapter 11 GPIO Usage62Table 11.1 USB4640/USB4640i GPIO Usage62Chapter 12 Package Specifications63Figure 12.1 USB4640/USB4640i 48-Pin QFN6312.1 Tape and Reel Specifications64Figure 12.2 48-Pin Package Tape Specifications64Figure 12.3 48-Pin Package Reel Specifications65サイズ: 1.25MBページ数: 65Language: Englishマニュアルを開く
ユーザーズマニュアル目次Chapter 1 Overview7Chapter 2 Acronyms10Chapter 3 Pin Configuration11Figure 3.1 USB4640/USB4640i 48-Pin QFN11Chapter 4 Block Diagram12Figure 4.1 USB4640/USB4640i Block Diagram12Chapter 5 Pin Table135.1 48-Pin Table13Table 5.1 USB4640/USB4640i 48-Pin Table13Chapter 6 Pin Descriptions156.1 USB4640/USB4640i Pin Descriptions15Table 6.1 USB4640/USB4640i Pin Descriptions156.2 Buffer Type Descriptions21Table 6.2 USB4640/USB4640i Buffer Type Descriptions216.3 Port Power Control22Figure 6.1 Port Power Control with USB Power Switch22Figure 6.2 Port Power Control with a Single Poly Fuse and Multiple Loads23Figure 6.3 Port Power with Ganged Control with Poly Fuse236.4 ROM BOOT Sequence24Figure 6.4 SPI ROM Connection24Figure 6.5 I2C Connection24Chapter 7 Pin Reset States25Figure 7.1 Pin Reset States25Table 7.1 Legend for Pin Reset States Table257.1 Pin Reset States25Table 7.2 USB4640/USB4640i Reset States Table25Chapter 8 Configuration Options288.1 Hub288.1.1 Hub Configuration Options288.2 Card Reader288.3 System Configurations288.3.1 EEPROM/SPI Interface288.3.2 EEPROM Data Descriptor29Table 8.1 Internal Flash Media Controller Configurations29Table 8.2 Hub Controller Configurations31Table 8.3 Other Internal Configurations318.4 Set bit 7 of bmAttribute to enable the registers in Table 8.4.32Table 8.4 Internal Flash Media Controller Extended Configurations328.4.1 EEPROM Data Descriptor Register Descriptions328.4.2 A0h-A7h: Device Power Configuration378.4.3 Device ID Strings398.4.4 Hub Controller Configurations40Table 8.5 Port Map Register for Ports 1 & 248Table 8.6 Port Map Register for Port 3498.4.5 Internal Flash Media Controller Extended Configurations508.4.6 I2C EEPROM528.4.7 In-Circuit EEPROM Programming528.5 Default Configuration Option528.6 Reset528.6.1 Internal POR Hardware Reset528.6.2 External Hardware nRESET52Figure 8.1 nRESET Timing for EEPROM Mode53Table 8.7 nRESET Timing for EEPROM Mode538.6.3 USB Bus Reset53Chapter 9 AC Specifications549.1 Oscillator/Crystal54Figure 9.1 Typical Crystal Circuit54Table 9.1 Crystal Circuit Legend54Figure 9.2 Capacitance Formulas549.2 Ceramic Resonator55Figure 9.3 Ceramic Resonator Usage with SMSC IC559.3 External Clock559.3.1 I2C EEPROM559.3.2 USB 2.055Chapter 10 DC Parameters5610.1 Maximum Guaranteed Ratings56Figure 10.1 Supply Rise Time Model5610.2 Operating Conditions5710.3 DC Electrical Characteristics5710.4 Capacitance61Table 10.1 Pin Capacitance61Chapter 11 GPIO Usage62Table 11.1 USB4640/USB4640i GPIO Usage62Chapter 12 Package Specifications63Figure 12.1 USB4640/USB4640i 48-Pin QFN6312.1 Tape and Reel Specifications64Figure 12.2 48-Pin Package Tape Specifications64Figure 12.3 48-Pin Package Reel Specifications65サイズ: 1.25MBページ数: 65Language: Englishマニュアルを開く