SMSCメーカーUSB2250iの使用説明書/サービス説明書
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SMSC USB2250/50i/51/51i DA T ASHEET Revision 1.1 (05-29-08) Datasheet PRODUCT FEA TURES USB2250/50i/51/51i Ultra Fast USB 2.0 Multi-Slot Flash Media Controller General Descripti on The SMSC USB2250/50i/51/51i is a USB 2.
ORDER NUMBER: USB2250/50 i/51/51i-NU -XX for 128-pin , VTQFP Lead -Free RoHS Co mpliant Pac kage “XX” in the order number indicat es the internal ROM firmware re vision level. Please cont act your SMSC sales repr esent ative for more informa tion.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 3 Revision 1.1 (05-29-08) DA T ASHEET T able of Content s Chapter 1 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 4 SMSC USB2250/50i/51/51i DA T ASHEET List of Figures Figure 2.1 USB2250/50i /51/51i Block Dia gram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 5 Revision 1.1 (05-29-08) DA T ASHEET List of T ables Table 0.1 USB2250/50i/51/51iComparison of Fea tures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 6 SMSC USB2250/50i/51/51i DA T ASHEET Chapter 1 Acronyms CF: Compact Flash CFC: Compact Flash Controller EEPROM: .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 7 Revision 1.1 (05-29-08) DA T ASHEET Chapter 2 Block Diagram Figure 2.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 8 SMSC USB2250/50i/51/51i DA T ASHEET Chapter 3 Pin T able 3.1 128-Pin Package T able 3.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 9 Revision 1.1 (05-29-08) DA T ASHEET MEMOR Y/IO INTERF ACE (28 PINS) MA0/CLK_SEL0 MA1/CLK_SEL1 MA2 MA3 MA4 MA5 M.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 10 SMSC USB2250/50i/51/51i DA T ASHEET Chapter 4 Pin Configuration Figure 4.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 1 1 Revision 1.1 (0 5-29-08) DA T ASHEET Chapter 5 Pin Descriptions This section provides a detailed description of each signal. The signals are arranged in functional groups according to their associated interface.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 12 SMSC USB2250/50i/51/51i DA T ASHEET CF Data 7-0 / GPIO CF_D[7:0] / GPIO[23:16] 69 67 63 61 59 88 86 85 I/O12PD CF_D[7:0]: The bi-directiona l data signals CF_D7 - CF_D0 in True IDE mode data transfer .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 13 Revision 1.1 (05-29-08) DA T ASHEET SM Address St r o b e SM_ALE 52 O12PD This pin i s an active high Address Latch Enable signal for the SM device. This pin has a weak pull-do wn resistor that is permanently enabled.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 14 SMSC USB2250/50i/51/51i DA T ASHEET SM Busy or Data Ready SM_nB/R 56 IPU This pin is conne cted to the BSY/RDY pin of the SM device.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 15 Revision 1.1 (05-29-08) DA T ASHEET MS System Data In/Out MS_D0 / MS_SDIO 94 I/O12PD MS_D0: This pin is one of the bi-directional data signals for the MS device.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 16 SMSC USB2250/50i/51/51i DA T ASHEET Crystal Input/External Clock Input XT AL1 (CLKIN) 124 ICLKx 24MHz Cryst al or externa l clock input.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 17 Revision 1.1 (05-29-08) DA T ASHEET Memory Address Bus MA1[1:0] / CLK_ SEL1[1:0] 25 27 O12 MA[1:0]: These signals address memory locations within the external memory .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 18 SMSC USB2250/50i/51/51i DA T ASHEET General Purpose I/O GPIO4 (SCL/xD_ID) 1 18 I/O12 GPIO: This pin may be used either as input, edge sensitive interr upt input, or output.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 19 Revision 1.1 (05-29-08) DA T ASHEET Notes: 1. Hot-insertion capable card connectors are requir ed for all flash medi a. It is required for the SD connector to have a Write Protect switch.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 20 SMSC USB2250/50i/51/51i DA T ASHEET 5.2 Buffer T ype Descriptions T able 5.2 USB2250/50i/51/51i Buffer T ype Description s BUFFER DESCRIPTION I Input. IPU Input with internal weak p ull-up resistor .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 21 Revision 1.1 (05-29-08) DA T ASHEET Chapter 6 Pin Reset S t ate T able Figure 6.
Ultra Fast USB 2.0 Multi-Slot Flash Media Contr oller Datasheet Revision 1.1 (05-29-08) 22 SMSC USB2250/50i/51/51i DA T ASHEET 6.1 128-Pin Reset S t ates Figure 6.
Ultra Fast USB 2.0 Multi-Slot Flash Media Contr oller Datasheet Revision 1.1 (05-29-08) 23 SMSC USB2250/50i/51/51i DA T ASHEET 73 CF_nIOW CF z -- -- CF hw -- -- 74 CF _nIRQ C F z -- -- CF z pd yes 79 .
Ultra Fast USB 2.0 Multi-Slot Flash Media Contr oller Datasheet Revision 1.1 (05-29-08) 24 SMSC USB2250/50i/51/51i DA T ASHEET 52 SM_ALE SM zp d - - SM hw pd -- 53 SM_CLE SM zp d - - SM hw pd -- 47 SM.
Ultra Fast USB 2.0 Multi-Slot Flash Media Contr oller Datasheet Revision 1.1 (05-29-08) 25 SMSC USB2250/50i/51/51i DA T ASHEET 10 SD_D1 SD z- - - - SD hw pu yes 23 SD_D2 SD z- - - - SD hw pu yes 22 SD.
Ultra Fast USB 2.0 Multi-Slot Flash Media Contr oller Datasheet Revision 1.1 (05-29-08) 26 SMSC USB2250/50i/51/51i DA T ASHEET 24 MA10 MA 0- - - - MA hw -- -- 11 3 M A 11 M A 0- - - - MA hw -- -- 107 .
Ultra Fast USB 2.0 Multi-Slot Flash Media Contr oller Datasheet Revision 1.1 (05-29-08) 27 SMSC USB2250/50i/51/51i DA T ASHEET 16 GP IO1 1 /CARD_PWR3 GPIO z- - - - GPIO (fw) (fw) (fw) PWR VDD -- -- 10.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 28 SMSC USB2250/50i/51/51i DA T ASHEET Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings Note 7.1 S tresses above the specified parameters may cause permanent damage to the device.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 29 Revision 1.1 (05-29-08) DA T ASHEET Figure 7.1 Supply Rise T ime Mo del Note 7.3 When powering the device, the ma ximum power supply ramp time should be set at a rate faster than 400 μ s.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 30 SMSC USB2250/50i/51/51i DA T ASHEET 7.3 DC Electrical Characteristics P ARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS I, IPU, IPD T ype Input Buffer Low Input Leve l High Input Level Pull Down Pull Up V ILI V IHI PD PU 2.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 31 Revision 1.1 (05-29-08) DA T ASHEET Note 7.5 Output leakage is measured w ith the current pins in hi gh impedance. Note 7.6 See The USB 2.0 S pecification, Chapter 7 , for USB DC electri cal characteristi cs Note 7.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet Revision 1.1 (05-29-08) 32 SMSC USB2250/50i/51/51i DA T ASHEET Note 7.9 The assignment of each Integrated Card Po wer FET to a designated Card Con nector is controlled by both firmware and the specific board impl ementat ion.
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 33 Revision 1.1 (05-29-08) DA T ASHEET Chapter 8 AC S pecifications 8.1 Oscillator/Clock Crystal: Parallel Resonant, Fundamental Mode, 24 MHz ± 100ppm. External Clock: 50% Duty cycl e ± 10%, 24/48 MHz ± 100ppm, Jitter < 1 00ps rms.
Ultra Fast USB 2.0 Multi-Slot Flash Media Contr oller Datasheet Revision 1.1 (05-29-08) 34 SMSC USB2250/50i/51/51i DA T ASHEET Chapter 9 Package Outline Figure 9.1 USB2250/50i/51/ 51i 128-Pin VT QFP , 14 x14x1.0mm Body , 2.0 mm Pitch - SE E S P EC FR O N T P A GE FOR R E V I SION HIS T OR Y -- N OTE S: 1 .
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller Datasheet SMSC USB2250/50i/51/51i 35 Revision 1.1 (05-29-08) DA T ASHEET Chapter 10 GPIO Usage T able 10.
デバイスSMSC USB2250i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:
SMSC USB2250i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SMSC USB2250i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。SMSC USB2250i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。SMSC USB2250i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。
SMSC USB2250i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SMSC USB2250i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、SMSC USB2250i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SMSC USB2250i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。