CypressメーカーEZ-USB HX2LPの使用説明書/サービス説明書
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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.
デバイスCypress EZ-USB HX2LPの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Cypress EZ-USB HX2LPをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはCypress EZ-USB HX2LPの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Cypress EZ-USB HX2LPの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Cypress EZ-USB HX2LPで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Cypress EZ-USB HX2LPを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はCypress EZ-USB HX2LPの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Cypress EZ-USB HX2LPに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちCypress EZ-USB HX2LPデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
