SMSC USB20H04 User Manual

 4-Port USB 2.0 Hub Controller 

 

Revision 1.63 (03-30-07) 

Page 4 

SMSC USB20H04 

 

 

 

Figure 2.1 - Block Diagram.............................................................................................................................................7

 

Figure 3.1– 64 Pin TQFP ...............................................................................................................................................8

 

Figure 8.1 - 2-Wire EEPROM Interface........................................................................................................................20

 

Figure 8.2 - Internal Default Mode................................................................................................................................21

 

Figure 8.3 - Timing for Configuration from SMBus .......................................................................................................25

 

Figure 8.4 - Timing to Complete Configuration from EEPROM ....................................................................................26

 

Figure 10.1 - High Level Block Diagram of a Self-Powered Hub ..................................................................................33

 

Figure 10.2 - USB Downstream Port Connection .........................................................................................................34

 

Figure 11.1 - 64 Pin TQFP Package Outline, 10 x 10 x 1.4 Body, 2 MM Footprint ......................................................35

 

 

Table 4.1 - System Interface Signals .............................................................................................................................9

 

Table 4.2 – Configuration Select and Serial Port Interface.............................................................................................9

 

Table 4.3 - USB I/O Signals .........................................................................................................................................10

 

Table 4.4 - Biasing and Clock Oscillator Signals ..........................................................................................................11

 

Table 4.5 - Power and Ground Signals ........................................................................................................................11

 

Table 4.6 – USB20H04 Buffer Type Descriptions ........................................................................................................11

 

Table 5.1 - Absolute Maximum Ratings (In accordance with the Absolute Maximum Rating system (IEC 60134).......12

 

Table 5.2 - Recommended Operating Conditions ........................................................................................................12

 

Table 5.3 - Recommended Crystal/External Clock Conditions .....................................................................................12

 

Table 6.1 - Electrical Characteristics: Supply Pins .......................................................................................................13

 

Table 6.2 - DC Electrical Characteristics: Digital Pins ..................................................................................................13

 

Table 6.3 - Pin Capacitance .........................................................................................................................................14

 

Table 6.4 - DC Electrical Characteristics: Analog I/O Pins (DP/DM) ............................................................................15

 

Table 7.1 - Automatic Mode Port Indicators .................................................................................................................19

 

Table 7.2 - Manual Mode Port Indicators .....................................................................................................................19

 

Table 8.1 - Summary of OEM Value Programming ......................................................................................................21

 

Table 8.2 - Address 6; Config_Byte_3..........................................................................................................................22

 

Table 8.3 - Address 7; Config_Byte_2..........................................................................................................................22

 

Table 8.4 - Address 8; Config_Byte_1..........................................................................................................................23

 

Table 8.5 - Addresses 9 - 11 ........................................................................................................................................23

 

Table 8.6 - Default Configuration Values......................................................................................................................24

 

Table 8.7 - Time Values to Configure from SMBus ......................................................................................................25

 

Table 8.8 - Time Values to Configure From EEPROM.................................................................................................26

 

Table 9.1 - Device Descriptor.......................................................................................................................................28

 

Table 9.2 - Device Qualifier Descriptor ........................................................................................................................28

 

Table 9.3 - Standard Configuration Descriptor .............................................................................................................29

 

Table 9.4 - Other_Speed_Configuration Descriptor .....................................................................................................29

 

Table 9.5 - Standard Interface Descriptor ....................................................................................................................30

 

Table 9.6 - Standard Endpoint Descriptor ....................................................................................................................30

 

Table 9.7 - Interface Descriptor (present if multiple-TT)...............................................................................................31

 

Table 9.8 - On-The-GO (OTG) Descriptor....................................................................................................................31

 

Table 9.9 - Class-Specific Hub Descriptor (Full-Speed and High-Speed) ....................................................................31

 

Table 11.1 - 64 Pin TQFP Package Parameters ..........................................................................................................35