Instruction/ maintenance manual of the product USB2251i SMSC
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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.
An important point after buying a device SMSC USB2251i (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought SMSC USB2251i yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data SMSC USB2251i - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, SMSC USB2251i you will learn all the available features of the product, as well as information on its operation. The information that you get SMSC USB2251i will certainly help you make a decision on the purchase.
If you already are a holder of SMSC USB2251i, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime SMSC USB2251i.
However, one of the most important roles played by the user manual is to help in solving problems with SMSC USB2251i. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device SMSC USB2251i along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center