Instruction/ maintenance manual of the product USB20H04 SMSC
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SMSC USB20H04 Page 1 Revision 1.63 (03-30-07) DATASHEET USB20H04 4-Port USB 2.0 Hub Contr oller Datasheet Product Features General Features Compliant with USB 2.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 2 SMSC USB20H04 DATASHEET 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2007 SMSC or its subs idiaries.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 3 Revision 1.63 (03-30-07) DATASHEET T able of Content s Chapter 1 General D escription ............................................................................................................
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 4 SMSC USB20H04 DATASHEET List of Figures Figure 2.1 - Bl ock Di agram..................................................................................................... .........
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 5 Revision 1.63 (03-30-07) DATASHEET Chapter 1 General Description The USB20H04 four-port hub controller is fully comp liant with the USB 2.0 Specification and does not require firmware development.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 6 SMSC USB20H04 DATASHEET 1.2 OEM Selectable Features The 4-Port Hub supports seve ral OEM selectable features: Operation as a bus-pow ered, self-pow ered or dynamic-powered hub.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 7 Revision 1.63 (03-30-07) DATASHEET Chapter 2 Functional Block Diagram To Upstream V BUS Upstream PHY Upstream USB Data Repeater Controller SIE .
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 8 SMSC USB20H04 DATASHEET Chapter 3 Pinout AM3_N GR2_N AM1_N 48 47 46 45 44 43 42 41 TEST_P3 VSS OCS3_N VBUS 3_N OCS4_N VBUS 4_N C.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 9 Revision 1.63 (03-30-07) DATASHEET Chapter 4 Interface Signal Definition 4.1 Pin Descriptions Table 4.1 - System Interface Signals NAME BUFFER TYPE A CTIVE LEVEL DESCRIPTION RESET_N IS Low Chip Reset .
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 10 SMSC USB20H04 DATASHEET Table 4.3 - USB I/O Signals NAME BUFFER TYPE A CTIVE LEVEL DESCRIPTION USBDP0 IO-U N/A Upstream USB Positive Data Pin. USBDM0 IO-U N/A Upstream USB Negative Data Pin.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 11 Revision 1.63 (03-30-07) DATASHEET Table 4.4 - Biasing and Cl ock Oscillator Signals NAME BUFFER TYPE A CTIVE LEVEL DESCRIPTION RBIAS I-R N/A External 1% bias resistor. Requires a 12K Ω resistor to ground.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 12 SMSC USB20H04 DATASHEET Chapter 5 Limiting V alues Table 5.1 - Absolute Maximum Ratings (In accordance with the Absolute Maximum Rating sy stem (IEC 60134) PA RAMETER SYMBOL CONDITIONS MIN TYP MA X UNITS 1.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 13 Revision 1.63 (03-30-07) DATASHEET Chapter 6 Electrical Characteristics Table 6.1 - Electric al Characteris tics: Supply Pins (V DD1.8 =1.74 to 2.0V; V DD3.3 =3.0 to 3.6V; V SS = 0V; T A = 0 o C to +70 o C; unless otherw ise specified.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 14 SMSC USB20H04 DATASHEET PA RAMETER SYMBOL COMMENTS MIN TYP MA X UNITS I, IPD, IPU Input Buffer Low Input Level High Input Level Low Input Leakage High Input Leakage V ILI V IHI I IL I IH TTL Levels TTL Levels V IN = 0 V IN = V DD3.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 15 Revision 1.63 (03-30-07) DATASHEET Table 6.4 - DC Electrical Characteristics: Analog I/O Pins (DP/DM) (VDD1.8 =1.74 to 2.0V; VDD3.3 =3.0 to 3.6V; VSS = 0V; TA = 0 o C to +70 o C; unless otherw ise specified.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 16 SMSC USB20H04 DATASHEET Chapter 7 Functional Overview Figure 2.1 show s the functional block diagram of the USB 2.0 Hub Controlle r. Each of the functions is described in detail below.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 17 Revision 1.63 (03-30-07) DATASHEET 7.5 Serial Interface External configuration dat a is loaded via the serial interface. T he serial interface appears as either an SMBus slave, or an I 2 C memory interface.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 18 SMSC USB20H04 DATASHEET 7.9 Transaction Translator (TT) The transaction translator supports full-speed and low-s peed devices attached to dow nstream ports in the high-speed environment.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 19 Revision 1.63 (03-30-07) DATASHEET Each port’s indicator must be located in a position that obviously associates the indicator with the port. The color and state of the LED is used to pr ovide status information to the user.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 20 SMSC USB20H04 DATASHEET Chapter 8 Implementation Notes The following sections consist of se lect functional explanations to aid in implementing the Hub Controller into a system. 8.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 21 Revision 1.63 (03-30-07) DATASHEET 8.1.2 Internal Default Configuration The internal default configuration is enabled w hen SMB_SEL_N is high and CS/EE_SEL is low on the rising edge of RESET_N.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 22 SMSC USB20H04 DATASHEET Detailed definition of the bits used to program the OEM values are giv en in Table 8.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 23 Revision 1.63 (03-30-07) DATASHEET BIT FIELD NA ME DESCRIPTION 3:0 Port Non-Active Selects which ports ar e active. A one indicates that the port is non-active: Bit 3: Port 4 is non-active. Bit 2: Port 3 is non-active.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 24 SMSC USB20H04 DATASHEET Table 8.6 - Default Configuration Va lues REGISTER ADDRESS REGISTER NA ME SELF-POWERED DEFA ULT (HEX) B.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 25 Revision 1.63 (03-30-07) DATASHEET 8.4.1.1 SMBus Configuration Timing Figure 8.3 - Timing for Configuration from SMBus Table 8.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 26 SMSC USB20H04 DATASHEET 8.4.1.2 EEPROM Configuration Timing Figure 8.4 - Timing to Complete Configuration from EEPROM Table 8.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 27 Revision 1.63 (03-30-07) DATASHEET 8.4.2 USB Reset When the upstream host signals a reset, the USB20H04 does the following: Note: T he USB20H04 does not propagate the upstr eam USB Reset to downstream devices! 1.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 28 SMSC USB20H04 DATASHEET Chapter 9 Hub Descriptors The USB20H04 will not electrically attach to the USB until after it has loaded valid data for all user-defined descriptor fields.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 29 Revision 1.63 (03-30-07) DATASHEET Table 9.3 - Standard Config u ration Descriptor OFFSET FULL SPEED HIGH SPEED FIELD NAME DESCRIPTION 0 09h 0.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 30 SMSC USB20H04 DATASHEET OFFSET FULL SPEED HIGH SPEED FIELD NAME DESCRIPTION 4 01h 01h** bNumInterfaces Number of interfaces supported by this configuration 5 01h 01h bConfigurationValue Value to use to select configuration.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 31 Revision 1.63 (03-30-07) DATASHEET Table 9.7 - Interface Descriptor (present if multip le-TT) OFFSET HIGH SPEED FIELD NA ME DESCRIPTION 0 09h .
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 32 SMSC USB20H04 DATASHEET OFFSET FIELD NA ME VA LUE DESCRIPTION 6 HubContrCurrent user Maximum current requirements of the hub controller electronics in mA. Derived from OEM value.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 33 Revision 1.63 (03-30-07) DATASHEET Chapter 10 Application Diagrams The highly-integrated USB20H04 Hub Controller is co mplemented with a minimal number of external components to create a complete four-port Hi-S peed USB hub application.
4-Port USB 2.0 Hub Controller Datasheet Revision 1.63 (03-30-07) Page 34 SMSC USB20H04 DATASHEET USB20 H04 (Port 1) Downstream V BUS Power Source VDD3.3 Power Switch OC Sense IN EN OC OUT VBUS1_N OCS1_N GR1_N AM1_N USBDP1 USBDM1 V BUS D+ D- Green Indicator Amber Indicator USB T ype A Connector Figure 10.
4-Port USB 2.0 Controller Datasheet SMSC USB20H04 Page 35 Revision 1.63 (03-30-07) DATASHEET Chapter 11 Package Outline Figure 11.1 - 64 Pin TQFP Package Outlin e, 10 x 10 x 1.4 Body, 2 MM Footprint Table 11.1 - 64 Pin TQF P Packag e Parameters MIN NOMINA L MAX REMA RKS A ~ ~ 1.
An important point after buying a device SMSC USB20H04 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought SMSC USB20H04 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data SMSC USB20H04 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, SMSC USB20H04 you will learn all the available features of the product, as well as information on its operation. The information that you get SMSC USB20H04 will certainly help you make a decision on the purchase.
If you already are a holder of SMSC USB20H04, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime SMSC USB20H04.
However, one of the most important roles played by the user manual is to help in solving problems with SMSC USB20H04. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device SMSC USB20H04 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center