Instruction/ maintenance manual of the product EZ-USB HX2LP Cypress
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PRELIMINARY EZ-USB HX2LP ™ Low- Power USB 2.0 Hub Control ler Fam ily CY7C 656x x Cypres s Semiconduc tor Corporati on • 3901 N orth F irst S t reet • San Jo se , CA 9 5134 • 408-9 43-2600 Docum ent # : 38-08037 Rev . *D Revis ed March 31, 2005 1.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 2 of 23 3.0 Blo c k Di agr am s Figure 3- 1. CY7C65640B Block Diagr am Routi n g L o gi c H ub R epeat er U S B Up st re a m P o rt U SB 2 .
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 3 of 23 Figure 3-2 . CY7C65630/CY7C 65620 Bl ock Diagram 3.0 Blo c k Di agr am s (cont inued) T hi s appli es to C Y 7C 65630 only . Rout ing Logic H ub R epeater U SB U pstrea m Port U SB 2 .
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 4 of 23 3.1 USB S erial I nterface E n gine (S IE) The SIE al lows th e CY7C656xx to communicat e with the USB host throug h the USB r epeater c omponent of the HUB.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 5 of 23 unpower ed st ate. Once t he hubs are confi gured, the port s are not dr iven, and the host may p ower the port s by sending a SetPor tPower command to e ach por t. Aft er a port i s power ed, any co nnect or disc onnect e vent i s detec ted by the hub.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 6 of 23 The LED co ntrol lines ca n also b e modul ated with a squar e wave f or power co nservat ion in s ystems u s ing ba tteries . Alone with thi s there is al so a pola rity cont rol for t hese pins, se e sect ion 9.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 7 of 23 6.0 Pin C onfi guration Note: 2. NC are for CY7C 65620 ONL Y . Figur e 6-1. 56-pi n Quad Flat Pack No Leads (8 mm x 8 m m) [2 ] VC.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 8 of 23 7.0 Pin D escri pti on T able T able 7-1 below displ ays t he pi n assi gnments . T able 7-1 . Pin Assignm ent s [3 ] CY7C65640B / CY7C65630 Pin CY7C65620 Pin Name T ype Defaul t Descript ion 3 3 VCC Power N/A V CC .
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 9 of 23 Up strea m Port 17 17 D– I/O/Z Z Upstrea m D– Si gnal. 18 18 D+ I/ O/Z Z Up st ream D+ Signal. Downst ream Port 1 13 13 DD–[1] I/O/Z Z Downstream D– Signal. 14 14 DD+[1] I /O/Z Z Downstream D+ Signal.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 0 o f 23 8.0 D efa ult De sc r ipt ors 8.1 Device Descripto r The st andard devi ce desc riptor for CY7C656x x is based on the VID, PID, and DID found in the SPI EEPROM. This VID/PID/ DID in t he EEPROM w ill ov e rwr it e t h e de f aul t V ID /PID / D ID.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 1 of 23 8.4 E ndpoint Descriptor 8.5 Interface Descrip tor [9, 10] 8.6 E ndpoint Descriptor [9,1 0] 8.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 2 o f 23 8.8 H ub De scriptor 9.0 Configuration Options Syste ms using CY7C656xx t hat do not hav e the fuse ROM pre- set at the f actory must have an exter nal EEPROM in or der for the device to have a unique VID, PID, and DID.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 3 o f 23 9.2 Configured – 0xD 2 Load Byte 0: 0xD2 Needs to be pro grammed with 0x D2 Byte 1: VID (LSB) Least Signific ant Byte of V en.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 4 o f 23 Byte 0: 0xD3 Needs to be pr ogra mmed with 0xD3 Byte 1: VID (LSB) Least Signific ant Byte of V en dor I D Byte 2: VID (MSB) Mos.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 5 o f 23 tems tha t do not acc ept this, th e Ill eg alHubDescr ipto r con- fi guration b it may be set t o allow CY7C6 56xx to acce pt a Descri ptor T ype of 0 x00 for this command. Defaul t is 0 , rec- ommend ed setting is 1.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 6 o f 23 Byte 22: Activ ePort s[3:0] Bit s 3–0 are t he ActivePor ts[ 3:0] bits that ind icates if the corr espondi ng port is usa ble. For example, a two-p ort hu b that uses port s 1 and 4 would se t this f ield to 0x09.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 7 o f 23 10.2 Hub Class Com mands Set I nte r f ac e 0000 0 00 1B 0x 0B A lt er na t e Se tti ng In terf a ce Number 0x 000 0 None S et .
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 8 o f 23 ClearT TBuff er 001000 1 1B 0x0 8 Dev_Addr , EP_Num TT_Port 0x00 00 None ResetTT 00100000B 0x09 0x0000 Byte 0: 0x00 Byte 1: Por.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 1 9 o f 23 11 . 0 U p s tream USB Connecti on The fol lowing is a schemat ic of the USB upst ream connect or . 12.0 Downstream USB Connect ions The f ollowing is a s chemati c of the USB downstr eam connec tor .
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 2 0 o f 23 14. 0 Syst em Blo c k Di ag r am VC C D– D+ SHE L L BUSP OWER GND 4.7 nF 250V 1 M Ω D– D+ 100 k Ω 2.
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 2 1 o f 23 15.0 Elec tr ical Ch ara cte ris ti cs 15.1 Abso lute Max imum Ratings S t ora ge T emper atu re ... .. .. ..... .. ..... . ..... ..... .. –65°C to +150 °C Ambient T emper ature wi th Power Applied .
PRELIMI N ARY CY 7C65 6x x Documen t #: 38- 0803 7 Rev . *D Page 22 of 23 © Cypress S emiconductor Corporation, 2005. The informati on conta ined herein is subject to change witho ut notice. C ypress Semiconduc tor Corpor ation assumes no r esponsibilit y for the us e of any circuit ry other than circu itry embodied in a Cy press product .
CY7C 65 6x x PRELIMINARY Docum ent #: 38-0 8037 Rev . *D Page 2 3 o f 23 Document History Page Document T itl e: CY7C6 56xx EZ-USB HX2LP™ Low -Power USB 2.
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