English dropdown-ico

SMSC USB2503 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of SMSC USB2503, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of SMSC USB2503 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of SMSC USB2503. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of SMSC USB2503 should contain:
- informations concerning technical data of SMSC USB2503
- name of the manufacturer and a year of construction of the SMSC USB2503 item
- rules of operation, control and maintenance of the SMSC USB2503 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of SMSC USB2503 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of SMSC USB2503, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the SMSC service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of SMSC USB2503.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the SMSC USB2503 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    SMSC USB2503/USB2503A DA T ASHEET Revision 2.3 (08-27-07) Datasheet PRODUCT FEA TURES USB2503/ USB2503A Integrated USB 2.0 Comp atible 3-Port Hub  Integrated USB 2.0 Compatible 3-Port Hub — 3 T ransaction T ranslators for highest perfo rmance — High-S peed (480Mbits/s), Full-S pe ed (12Mbits/s) and Low-S peed (1.5Mbits/s) compatible — Full[...]

  • Page 2

    ORDER NUMBERS: USB2503/USB 2503A-HZH FOR 48 PIN QFN LEAD-FREE ROHS COMPLIANT PACKAGE Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 2 SMSC USB2503/USB2503A DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUGE, NY 1 1788 (631) 435-6 000, FAX ( 631) 273-3123 Copyright © 20 07 SMSC or its subsidiari es. All rights reserved. Circuit dia[...]

  • Page 3

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 3 Revision 2.3 (08-27-07) DA T ASHEET T able of Content s Chapter 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 OEM Selectable Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 4 SMSC USB2503/USB2503A DA T ASHEET List of Figures Figure 3.1 3-Port 48-Pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 4.1 3-Port Block Diagram . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 5

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 5 Revision 2.3 (08-27-07) DA T ASHEET List of T ables Table 4. 1 3-Port Hub Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 4.2 SMBus or EEPROM Interfac e Behavior . . . . . . . . . . . . . . . . . [...]

  • Page 6

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 6 SMSC USB2503/USB2503A DA T ASHEET Chapter 1 General Description The SMSC 3-Port Hub is fully complian t with th e USB 2.0 S pecification and will attach to a USB host as a Full-S peed Hub or as a Full-/High-Speed Hub. The 3-Port Hub supports Low-S peed, Full-S peed, and Hi[...]

  • Page 7

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 7 Revision 2.3 (08-27-07) DA T ASHEET Chapter 2 Pin T able 3-Port T able 2.1 3-Port Pin T able UPSTREAM USB 2.0 INTERFACE (3-PINS) USBDP0 USBDN0 VBUS_DET 3-PORT USB INTERF ACE (18-PINS) USBDP1 USBDN1 USBDP2 USBDN2 USBDP3 USBDN3 GR1/ NON_REM0 GR2/ NON_REM1 GR3/ PRT_DIS0 PRTPWR1[...]

  • Page 8

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 8 SMSC USB2503/USB2503A DA T ASHEET Chapter 3 Pin Configuration 3-Port Hub Figure 3.1 3-Port 48-Pin QFN Thermal Slug (must be connected to VSS) SMSC USB2503 & USB2503A (Top View QFN-48) Indicates pins on the bottom of the device. VDDA33 1 USBDP0 2 USBDN0 3 VSS 4 USBDN1 5[...]

  • Page 9

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 9 Revision 2.3 (08-27-07) DA T ASHEET Chapter 4 3-Port Hub Block Diagram Figure 4.1 3-Port Bloc k Diagram T able 4.1 3-Port Hub Pin Descript ions NAME SYMBOL T YPE FUNCTION UPSTREAM USB 2.0 INTERF ACE USB Bus Data USBDN0 USBDP0 IO-U These pins connect to the U SB bus data sign[...]

  • Page 10

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 10 SMSC USB2503/USB2503A DA T ASHEET 3-PORT USB 2.0 HUB INTERF ACE High-S peed USB Data USBDN[3:1] USBDP[3:1] IO-U These pins connect to the downst ream USB peripheral devices attached to the Hub’s ports. USB Power Enable PRTPWR [3:1] O12 Ena bles power to USB perip heral [...]

  • Page 11

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 1 1 Revision 2.3 (08-27-07) DA T ASHEET Port Power Polarity strapping. PRTPWR_POL I/O12 Port Power Polarity strapping determinat ion for the active signal polarity of the PRTPWR[3 :1] pins. While RESET_N is asse rted, the logic state of this pin will (though the use of interna[...]

  • Page 12

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 12 SMSC USB2503/USB2503A DA T ASHEET Crystal Output XT AL2 OCLKx 24MHz Crystal This is the other t erminal of the crystal, or left unconnected when an ex ternal clock source is used to drive XT AL1/ CLKIN. It must not b e used to drive any external circuitr y other than the [...]

  • Page 13

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 13 Revision 2.3 (08-27-07) DA T ASHEET VDD3P3 CORE PLL VDD33CR +3.3V I/O and C ore power . VSS VSS Ground. T able 4.5 Buffer T ype Descriptions BUFFER DESCRIPTION I Input. IPD Input, with a weak Internal pull-do wn. IPU Input, with a weak Internal pull-up . IS Input with Schmi[...]

  • Page 14

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 14 SMSC USB2503/USB2503A DA T ASHEET Chapter 5 Functional Block Description 5.1 3-Port Hub SMSC’s USB 2.0 3-Port Hub is fully specification co mpliant to the Universal Serial Bus S pecificati on Revision 2.0 April 27,2000 (12/ 7/2000 and 5/28/2002 Errata). Please re ferenc[...]

  • Page 15

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 15 Revision 2.3 (08-27-07) DA T ASHEET 5.1.1.5 Port Indicators Controls the use of LED indicator for Port st atus information. See Section 1 1.5.3 of the USB 2.0 S pecification f or additional details. This field is set by the OEM using either the SMBus o r EEPROM interface op[...]

  • Page 16

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 16 SMSC USB2503/USB2503A DA T ASHEET This field is set by the OEM using either the SMBus or EEPROM interface options. When using the internal default option, the NON_ REM[1:0] pins will designate t he appropriate ports as being non- removable. 5.1.1.13 Self-Powered Port DISA[...]

  • Page 17

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 17 Revision 2.3 (08-27-07) DA T ASHEET 5.1.1.20 Bus-Powered Hub Controller Current When in Bus-Powered configuration, Maximum curr ent requirements of the Hub Controller in 2mA increments. This field is set by the OEM using either the SMBus o r EEPROM interface options. 5.1.1.[...]

  • Page 18

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 18 SMSC USB2503/USB2503A DA T ASHEET 5.2.1.3 I2C EEPRO M Slave Address Slave address is 1010000. Note: 10-bit add ressing is NOT support ed. 5.2.2 In-Circuit EEPROM Programming The EEPROM can be programmed via A T E by pullin g RESET_N low (which tri-states the Hub’s EEPRO[...]

  • Page 19

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 19 Revision 2.3 (08-27-07) DA T ASHEET 5.2.3.1 EEPROM Offset 1:0(h) - V endor ID 5.2.3.2 EEPROM Offset 3:2(h) - Product ID 5.2.3.3 EEPROM Offset 5:4(h) - Device ID 5.2.3.4 EEPROM Offset 6(h) - CONFIG_BYTE_1 BIT NUMBER BIT NAME DESCRIPTION 15:8 VID_MSB Most Signi ficant Byte of[...]

  • Page 20

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 20 SMSC USB2503/USB2503A DA T ASHEET 5.2.3.5 EEPROM Offset 7(h) - CONFIG_BYTE_2 3 EOP_DISABLE EOP Disable: Disabl es EOP generation at EOF1 when no downstream directed traffic is in progress. 0 = EOP generati on at EOF1 is enabl ed. 1 = EOP generati on at EOF1 is di sabled, [...]

  • Page 21

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 21 Revision 2.3 (08-27-07) DA T ASHEET 5.2.3.6 EEPROM Offset 8(h) - Non-Removable Device 5.2.3.7 EEPROM Offset 9(h) - Port Disable For Self Powered Operation 5.2.3.8 EEPROM Offs et A(h) - Port Disable For Bus Powered Operation BIT NUMBER BIT NAME DESCRIPTION 7:0 NR_DEVICE Non-[...]

  • Page 22

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 22 SMSC USB2503/USB2503A DA T ASHEET 5.2.3.9 EEPROM Offs et B(h) - Max Power For Self Powered Operation 5.2.3.10 EEPROM Offs et C(h) - Max Power For Bus Powered Operation 5.2.3.1 1 EEPROM Offset D(h) - Hub Controller Max Current For Self Powered Operation BIT NUMBER BIT NAME[...]

  • Page 23

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 23 Revision 2.3 (08-27-07) DA T ASHEET 5.2.3.12 EEPROM Offs et E(h) - Hub Controller Max Current For Bus Powered Operation 5.2.3.13 EEPROM Of fset F(h) - Power-On Time 5.3 SMBus Slave Interface Instead of loading User-Defi ned Descriptor data from an external EEPROM, th e SMSC[...]

  • Page 24

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 24 SMSC USB2503/USB2503A DA T ASHEET 5.3.1.1 Byte Protocols When using the Hub SMBus Interface for byte transfers, a write will always consist of the SM Bus Interface Slave Address byt e, followed by the I nternal Address Regi ster byte, then the d ata byte. The normal read [...]

  • Page 25

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 25 Revision 2.3 (08-27-07) DA T ASHEET 5.3.4 Slave Device Time-Out According to the SMBus S pecificatio n, V1.0 devices in a transfer can abort the transfer i n progress and release the bus when any single clock low interval exceeds 25ms (T TIMEOUT , MIN ). Devices that have d[...]

  • Page 26

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 26 SMSC USB2503/USB2503A DA T ASHEET 5.3.9.1 Register 00h: S tatus/Command ( Reset = 0x00) 5.3.9.2 Register 01h: V endor ID (LSB) (Reset = 0x00) 0Ch R/W Max Power (Self) MAXPS 7 6 5 4 3 2 1 0 0Dh R/W Max Power (Bus) MAXPB 7 6 5 4 3 2 1 0 0Eh R/W Hub Controller Max Current (S[...]

  • Page 27

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 27 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.3 Register 02h: V endor ID (MSB) (Reset = 0x00 ) 5.3.9.4 Register 03h: Product ID (LSB) (Reset = 0x00) 5.3.9.5 Register 04h: Product ID (MSB) (Reset = 0x00) 5.3.9.6 Register 05h: Device ID (LSB) (Reset = 0x00) 5.3.9.7 Register 06h: [...]

  • Page 28

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 28 SMSC USB2503/USB2503A DA T ASHEET 5.3.9.9 Register 08h: Co nfiguration Dat a Byte 2 (Reset = 0x00) 5 HS_DISABLE High S peed Disa ble: Disables the capability to attach as either a High/Full- speed device, and forces attachment as Full-speed only i.e. (no High -S peed supp[...]

  • Page 29

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 29 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.10 Register 09h: Non- Remo vable Device (Reset = 0x00) 5.3.9.1 1 Register 0Ah: Po rt Disable For Self Powered Operation (Rese t = 0x00) 5.3.9.12 Register 0Bh: Port Disable For Bus Powered Opera tion (Reset = 0x00) 5.3.9.13 Register [...]

  • Page 30

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 30 SMSC USB2503/USB2503A DA T ASHEET 5.3.9.14 Register 0Dh: Max Power For Bus Powered Operation (Re set = 0x00) 5.3.9.15 Register 0Eh: Hub Controller Max Curr ent For Self Powered Operation (Reset = 0x 00) 5.3.9.16 Register 0Fh: Hub Controller Max Cu rrent For Bus Powered Op[...]

  • Page 31

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 31 Revision 2.3 (08-27-07) DA T ASHEET 5.3.9.17 Register 10h: Power-On Time (Res et = 0x00) 5.3.9.18 Undefi ned Registe rs The registers shown in Ta b l e 5 . 4 are the defined registers i n the Hub. Reads to undef ined registers return 00h. Writes to undefined registers have [...]

  • Page 32

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 32 SMSC USB2503/USB2503A DA T ASHEET Figure 5.1 LED Strappi ng Option 5.6 Reset There are two different resets th at the Hub experiences. One is a hardware reset (via the RESET_N pin) and the second is a USB Bus Reset. 5.6.1 External Hardware RESET_N A valid hardware reset i[...]

  • Page 33

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 33 Revision 2.3 (08-27-07) DA T ASHEET 5.6.1.1 RESET_N for St rappin g Option Configuration Figure 5.2 Reset_N Timing fo r Default/Stra p O ption Mode Notes:  When in Bus-Powered mode, the Hub and its associated circuitry mu st not consume more than 100mA from the upstream [...]

  • Page 34

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 34 SMSC USB2503/USB2503A DA T ASHEET 5.6.1.2 RESET_N for EEPROM Configuration Figure 5.3 Reset_N Ti ming for EEPROM Mode Notes:  When in Bus-Powered mode, the Hub and its associated circuitry mu st not consume more than 100mA from the upstream USB power source during t4+t[...]

  • Page 35

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 35 Revision 2.3 (08-27-07) DA T ASHEET 5.6.1.3 RESET_N for SMBus Slave Configuration Figure 5.4 Reset_N Timing for SMBus Mode Notes:  For Bus-Powered conf igurations, t he 99.5ms (MAX) is requi red, and the Hu b and its associated circuitry must n ot consume more than 100mA[...]

  • Page 36

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 36 SMSC USB2503/USB2503A DA T ASHEET 5. Moves device from suspended to active (if suspended). 6. Complies with Section 1 1.10 of the USB 2.0 S pecificati on for behavior after completion of the reset sequence. The Host then configu res the Hub and the Hub’s downstream port[...]

  • Page 37

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 37 Revision 2.3 (08-27-07) DA T ASHEET Chapter 6 XNOR T est XNOR continuity tests all signal pin s on the Hub (every pin except for NC, XT AL1/CLKIN, XT AL2, A TEST/REG_EN, RBIAS, TEST1, Power , and Gro und). This functionality is enable d by driving TEST1 and CFG_SEL[1] high,[...]

  • Page 38

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 38 SMSC USB2503/USB2503A DA T ASHEET Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings Note: S tresses above th e specified parameters could cause permanen t damage to the devi ce. This is a stress rating only and functional operation of the device at any condition abov[...]

  • Page 39

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 39 Revision 2.3 (08-27-07) DA T ASHEET 7.2 Recommended Operating Conditions PARAMETER SYMBOL MIN MAX UNITS COMMENTS Operating T e mperature T A 07 0 ° C 1.8V supply voltage V DDA18PLL V DD18 1.71 1.98 V 3.3V supply voltage V DDA 33 V DDA33PLL V DD33CR 3.0 3.6 V V oltage on an[...]

  • Page 40

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 40 SMSC USB2503/USB2503A DA T ASHEET ICLK Input Buffe r Low Input Level High Input Leve l Input Leakage Hysteresis V ILCK V IHCK I IL V HYSC 2.0 -10 50 0.8 +10 100 V V uA mV TTL Levels V IN = 0 to V DD33 CR O12 and I/O12 Type Buffe r Low Output Level High Output Leve l Outpu[...]

  • Page 41

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet SMSC USB2503/USB2503A 41 Revision 2.3 (08-27-07) DA T ASHEET Notes: 1. Output leakage i s measured with t he current pins in h igh impedance. 2. See USB 2.0 Specification for USB DC electrical characteristics. 3. RBIAS is a 3.3V tolerant analog pin. CAP ACIT ANCE T A = 25°C; fc = 1MHz; V DD33C R =[...]

  • Page 42

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 42 SMSC USB2503/USB2503A DA T ASHEET Chapter 8 AC S pecifications 8.1 Oscillator/Clock Crystal: Parallel Resonant, Funda mental Mode, 24 MHz ± 100p pm. External Clock: 50% Duty cycle ± 1 0 % , 2 4 M H z ± 100ppm, Jitter < 100 ps r m s. 8.1.1 SMBus Interface: The SMSC H[...]

  • Page 43

    Integrated USB 2.0 Compatible 3-Port Hub Datasheet Revision 2.3 (08-27-07) 43 SMSC USB2503/USB2503A DA T ASHEET Chapter 9 Package Outline Figure 9.1 48 Pin QFN Packag e Outline (7x7 mm body - 0.5 m m pitch) Notes: 1. Controlling Unit: millimeter . 2. Dimension b applie s to plated termina ls and is measured between 0.15mm and 0.30mm from the termin[...]