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Philips ISP1122 manual

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Table of contents for the manual

  • Page 1

    ISP1122 Univ ersal Serial Bus stand-alone hub Rev . 03 — 29 Marc h 2000 Product specification c c 1. General description The ISP1122 is a stand-alone Universal Serial Bus (USB) hub de vice which complies with USB Specification Re v . 1.1 . It integrates a Serial Interf ace Engine (SIE), hub repeater , hub controller , USB data transceiv ers and[...]

  • Page 2

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 2 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. ■ Full-scan design with high test cov erage ■ A v ailable in 32-pin SDIP , SO and LQFP packages . 3. Or dering information 4. Bloc k diagram T able 1: Ordering inf [...]

  • Page 3

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 3 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 5. Pinning inf ormation 5.1 ISP1122D (SO32) and ISP1122NB (SDIP32) 5.1.1 Pinning 5.1.2 Pin description Fig 2. Pin configuration SO32. Fig 3. Pin configuration SDIP32.[...]

  • Page 4

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 4 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. OC2 8 AI/I ov ercurrent sense input f or downstream port 2 (analog [5] ) OC3 9 AI/I ov ercurrent sense input f or downstream port 3 (analog [5] ) OC4 10 AI/I ov ercurre[...]

  • Page 5

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 5 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] Symbol names with an ov erscore (e.g. NAME) indicate activ e LO W signals. [2] The voltage at pin V reg(3.3) is gated b y the RESET pin. This allows fully self-po w[...]

  • Page 6

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 6 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 5.2 ISP1122BD (LQFP32) 5.2.1 Pinning 5.2.2 Pin description Fig 4. Pin configuration LQFP32. handbook, full pagewidth ISP1122BD MBL018 1 2 3 4 5 6 7 8 24 23 22 21 20 19[...]

  • Page 7

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 7 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. OC5/GOC [3] 7 AI/I modes 5, 7 : ov ercurrent sense input f or downstream por t 5 (analog [5] ) modes 0, 1, 3 : global ov ercurrent sense input (analog [5] ) DM4 8 AI/O [...]

  • Page 8

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 8 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] Symbol names with an ov erscore (e.g. NAME) indicate activ e LO W signals. [2] The voltage at pin V reg(3.3) is gated b y the RESET pin. This allows fully self-po w[...]

  • Page 9

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 9 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 6.2 Philips Serial Interface Engine (SIE) The Philips SIE implements the full USB protocol la yer . It is completely hardwired f or speed and needs no fir mw are inter[...]

  • Page 10

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 10 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 6.9 PLL c lock m ultiplier A 6 to 48 MHz clock multiplier Phase-Loc ked Loop (PLL) is integr ated on-chip . This allows f or the use of low-cost 6 MHz crystals. The lo[...]

  • Page 11

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 11 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 8. Endpoint descriptions Each USB de vice is logically composed of se ver al independent endpoints. An endpoint acts as a ter minus of a comm unication flow between t[...]

  • Page 12

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 12 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 9. Host requests The ISP1122 handles all standard USB requests from the host via control endpoint 0. The control endpoint can handle a maximum of 64 b ytes per transf [...]

  • Page 13

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 13 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] Device address: 0 to 127. [2] Returned value in bytes . [3] MSB specifies endpoint direction: 0 = OUT , 1 = IN. The ISP1122 accepts either value. 9.2 Hub specifi[...]

  • Page 14

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 14 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] USB Specification Rev . 1.0 uses 00H, USB Specification Rev . 1.1 specifies 29H. [2] Returned value in bytes . [3] Feature selector v alue, see Ta b l e 9 . [4][...]

  • Page 15

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 15 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 9.3 Descriptors The ISP1122 hub controller suppor ts the f ollowing standard USB descriptors: • De vice • Configuration • Interf ace • Endpoint • Hub • St[...]

  • Page 16

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 16 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] Selected by input SP/BP. [2] V alue in units of 2 mA. T able 11: Configuration descriptor V alues in square brack ets are optional. Offset (bytes) Field name Size[...]

  • Page 17

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 17 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] ISP1122 alwa ys repor ts pow er management status on an individual basis, e ven f or ganged/global modes. This is compliant with USB Specification Rev . 1.1 . [2][...]

  • Page 18

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 18 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 9.4 Hub responses This section describes the hub responses to requests from the USB host. 9.4.1 Get device status The hub retur ns 2 b ytes, see Ta b l e 1 6 . 9.4.2 G[...]

  • Page 19

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 19 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 9.4.5 Get port status The hub returns 4 bytes. The first 2 b ytes contain the por t status bits (wP or tStatus , see Ta b l e 2 0 ). The last 2 bytes hold the por t s[...]

  • Page 20

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 20 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 9.4.6 Get configuration descriptor The hub returns 25 bytes containing the configuration descriptor (9 bytes , see Ta b l e 1 1 ), the interface descriptor (9 b ytes[...]

  • Page 21

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 21 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 10.2 Hard ware connections Via the I 2 C-bus interf ace the ISP1122 can be connected to an external EEPROM (PCF8582 or equiv alent). The hardware connections are shown[...]

  • Page 22

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 22 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] Default v alue at reset if no external EEPROM is present. [2] Modifies the Hub Descriptor field ‘bPwrOn2PwrGood’, see Ta b l e 1 4 . [3] Modifies the Hub De[...]

  • Page 23

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 23 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. Assuming a 5 V ± 3% power supply the w orst case supply v oltage is 4.85 V . This only allows a v oltage drop of 100 mV across the hub pr inted-circuit board (PCB) to[...]

  • Page 24

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 24 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. The PCB resistance ma y cause a drop of 25 mV , which leav es 75 mV for the po wer s witch and ov ercurrent sense de vice. The v oltage drop components are shown in Fi[...]

  • Page 25

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 25 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. The ISP1122 ov ercurrent detection circuit has been designed with a nominal trip v oltage ( ∆ V trip ) of 85 mV . This giv es a typical trip current of approximately[...]

  • Page 26

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 26 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. P ow er switches 1 to 5 are lo w-ohmic PMOS devices as specified in Section 12.2 . Fig 10. Mode 5: self-powered hub; individual port power s witching; individual over[...]

  • Page 27

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 27 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. P ow er switch is lo w-ohmic PMOS device as specified in Section 12.2 . Fig 11. Mode 1: self-powered hub; ganged port power switc hing; global over current detection.[...]

  • Page 28

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 28 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. P ow er switches 1 to 4 are lo w-ohmic PMOS devices as specified in Section 12.2 . Fig 12. Mode 4: b us-powered hub; individual port power switching; individual o ver[...]

  • Page 29

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 29 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. P ow er switch is lo w-ohmic PMOS device as specified in Section 12.2 . Fig 13. Mode 0: b us-powered hub; ganged port power switching; global o vercurrent detection. [...]

  • Page 30

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 30 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 13. Limiting v alues [1] Equivalent to discharging a 100 pF capacitor via a 1.5 k Ω resistor (Human Body Model). [2] V alues are given f or device only; in-circuit V[...]

  • Page 31

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 31 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 14. Static c haracteristics [1] In ‘suspend’ mode the minimum v oltage is 2.7 V . [1] Bus-powered mode . [2] Self-powered or h ybr id-powered mode . T able 26: Sta[...]

  • Page 32

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 32 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] D + is the USB positive data pin (DPn); D − is the USB negativ e data pin (DMn). [2] Includes external resistors of 20 Ω± 1% on both D + and D − . [3] This [...]

  • Page 33

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 33 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] Operating modes 0, 1, 4 and 5; see Ta b l e 4 . [1] T est circuit: see Figure 22 . [2] Excluding the first transition from Idle state. [3] Characterized only , no[...]

  • Page 34

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 34 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] T est circuit: see Figure 22 . [2] Excluding the first transition from Idle state. [3] Characterized only , not tested. Limits guaranteed by design. T able 33: Dy[...]

  • Page 35

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 35 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. T PERIOD is the bit duration corresponding with the USB data rate . Fig 15. Source diff erential data jitter . handbook, full pagewidth MGR870 T PERIOD differential da[...]

  • Page 36

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 36 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. Fig 18. Receiver SE0 width tolerance. handbook, halfpage MGR872 differential data lines + 3.3 V 0 V t FST V IH(min) Full-speed timing symbols hav e a subscript prefix[...]

  • Page 37

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 37 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. [1] f SCL = 1 ⁄ 64 f XT AL . [2] Rise time is determined by C b and pull-up resistor value R p (typ . 4.7 k Ω ). Full-speed timing symbols hav e a subscript prefi[...]

  • Page 38

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 38 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 16. T est information The dynamic characteristics of the analog I/O por ts (D + and D −) as listed in Ta b l e 3 2 and Ta b l e 3 3 , were determined using the circu[...]

  • Page 39

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 39 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 17. P acka ge outline Fig 23. SO32 packa ge outline . UNIT A max. A 1 A 2 A 3 b p cD (1) E (1) eH E LL p QZ y w v θ REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISS[...]

  • Page 40

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 40 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. Fig 24. SDIP32 packa ge outline . UNIT b 1 cE e M H L REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm DIMENSIONS (mm are the original dimen[...]

  • Page 41

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 41 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. Fig 25. LQFP32 packa ge outline . UNIT A max. A 1 A 2 A 3 b p cE (1) eH E LL p Z y w v θ REFERENCES OUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE IEC JEDEC EIAJ mm 1[...]

  • Page 42

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 42 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 18. Soldering 18.1 Introduction This te xt gives a v er y br ief insight to a comple x technology . A more in-depth account of soldering ICs can be found in our Data H[...]

  • Page 43

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 43 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. During placement and before soldering, the package m ust be fix ed with a droplet of adhesiv e. The adhesiv e can be applied by screen printing, pin transf er or syr [...]

  • Page 44

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 44 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 18.4 P ac kage related soldering information [1] All surface mount (SMD) pac kages are moisture sensitive . Depending upon the moisture content, the maximum temperatur[...]

  • Page 45

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 45 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. 19. Re vision history T able 36: Revision history Rev Date CPCN Description 03 20000329 Product specification, third ver sion; supersedes ISP1122-02 of 4 October 1999[...]

  • Page 46

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 46 of 48 9397 750 07002 © Philips Electronics N.V . 2000 All rights reser ved. 20. Data sheet status [1] Please consult the most recently issued data sheet before initiating or completing a design. 21. Definitions Short-form specification — Th[...]

  • Page 47

    Philips Semiconductors ISP1122 USB stand-alone hub Product specification Rev . 03 — 29 Marc h 2000 47 of 48 9397 750 07002 © Philips Electronics N.V . 2000. All rights reser ved. Philips Semiconductor s - a w orld wide compan y Argentina: see South America Australia: T el. +61 2 9704 8141, Fax. +61 2 9704 8139 Austria: T el. +43 160 101, Fax. +[...]

  • Page 48

    © Philips Electronics N.V. 2000. Printed in The Netherlands All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without [...]