Instruction/ maintenance manual of the product USB2242i SMSC
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SMSC USB2242/USB2242i DA T ASHEET Revision 1.0 (05-27-08) Datasheet PRODUCT FEA TURES USB2242/USB2242 I Ultra Fast USB 2.0 Memory S t ick Flash Media Controller General Descripti on The SMSC USB2242/USB2242i is a USB 2.
ORDER NUMBER: USB2242/USB2242i-AEZG-XX for 36 pin, QFN Lead- Free RoHS Compliant Package “XX” in the order number indicat es the internal ROM firmwa re revision level.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 3 Revision 1.0 (05-27-08) DA T ASHEET T able of Content s Chapter 1 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 4 SMSC USB2242/USB2242i DA T ASHEET List of Figures Figure 2.1 USB2242/USB2 242i Block D iagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 5 Revision 1.0 (05-27-08) DA T ASHEET List of T ables Table 3.1 USB2242/2242i 36-Pin QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 6 SMSC USB2242/USB2242i DA T ASHEET Chapter 1 Acronyms MS: Memory S t ick MSC: Memory S tick Controller PLL: P.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 7 Revision 1.0 (05-27-08) DA T ASHEET Chapter 2 Block Diagram Figure 2.
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 8 SMSC USB2242/USB2242i DA T ASHEET Chapter 3 Pin T able 3.1 36-Pin Package T able 3.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 9 Revision 1.0 (05-27-08) DA T ASHEET Chapter 4 Pin Configuration Figure 4.1 USB2242/USB2242i 36 Pin QFN Diagra m Therm al Slug (must be connec ted to VSS ) SMSC USB2242/2242i (Top View QFN-36) Indicates pins on th e bottom of th e device.
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 10 SMSC USB2242/USB2242i 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 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 1 1 Revision 1.0 (05-27-08) DA T ASHEET USB T ran sceiver Bias RBIAS 35 I-R A 12.0k , 1.0% re sistor is attached from VSSA to this pin in order to set the transceiver's internal bias currents.
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 12 SMSC USB2242/USB2242i DA T ASHEET General Purpose I/O GPIO7 / TXD / SCK / MS_SKT_SEL 31 I/O12 GPIO: This pin may be used either as input, edge sensitive inte rrupt input, or output.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 13 Revision 1.0 (05-27-08) DA T ASHEET 5.2 Buffer T ype Descriptions T able 5.3 USB2242/USB2242i Buffer T ype Descriptions BUFFER DESCRIPTION I Input. IPU Input with internal weak p ull-up resistor .
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 14 SMSC USB2242/USB2242i DA T ASHEET Chapter 6 Pin Reset S t ate T able Figure 6.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 15 Revision 1.0 (05-27-08) DA T ASHEET 6.1 36-Pin Reset S t ates T able 6.
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 16 SMSC USB2242/USB2242i DA T ASHEET Chapter 7 DC Parameters 7.1 Maximum Guaranteed Ratings Note 7.1 S tresses above the spe cified parameters may cause permanent dama ge to the device.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 17 Revision 1.0 (05-27-08) DA T ASHEET Figure 7.1 Supply Rise T ime Model 7.2 Recommended Operating Conditions Note 7.3 A 3.3V regulator with an output tolerance of 1% must be used if the output of the internal power FET’s must support a 5% tolerance.
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 18 SMSC USB2242/USB2242i 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 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 19 Revision 1.0 (05-27-08) DA T ASHEET Note 7.4 Output leakage is measured with th e current pins in high i mpedance. Note 7.5 See The USB 2.0 S pecification , Chapter 7, for U SB DC electrical cha racteristics Note 7.
Ultra Fast USB 2.0 Memory S tick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 20 SMSC USB2242/USB2242i DA T ASHEET the settings listed in T able 10.1, “USB2242/USB2242i GP IO Usage (ROM Rev 0x00),” on page 23 . Note 7.9 The 3.3V supply should be at least at 75% of it s operating condition befo re the 1.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 21 Revision 1.0 (05-27-08) 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 ± 1 0 % , 2 4 M H z ± 10 0ppm, Jitter < 1 00ps rms.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet Revision 1.0 (05-27-08) 22 SMSC USB2242/USB2242i DA T ASHEET Chapter 9 Package Outline Figure 9.
Ultra Fast USB 2.0 Memory Stick Flash Media Controller Datasheet SMSC USB2242/USB2242i 23 Revision 1.0 (05-27-08) DA T ASHEET Chapter 10 GPIO Usage T able 10.
An important point after buying a device SMSC USB2242i (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 USB2242i 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 USB2242i - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, SMSC USB2242i you will learn all the available features of the product, as well as information on its operation. The information that you get SMSC USB2242i will certainly help you make a decision on the purchase.
If you already are a holder of SMSC USB2242i, 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 USB2242i.
However, one of the most important roles played by the user manual is to help in solving problems with SMSC USB2242i. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device SMSC USB2242i 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