USB2241 SMSC Corporation, USB2241 Datasheet - Page 4
USB2241
Manufacturer Part Number
USB2241
Description
(USB2240 / USB2241) Ultra Fast USB 2.0 Multi-Format Flash Media Controller
Manufacturer
SMSC Corporation
Datasheet
1.USB2241.pdf
(28 pages)
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Ultra Fast USB 2.0 Multi-Format Flash Media Controller
Datasheet
List of Figures
Figure 2.1 USB2240 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 2.2 USB2241 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4.1 USB2240 36-Pin QFN Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4.2 USB2241 36-Pin QFN Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 6.1 Pin Reset States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 6.2 Legend for Pin Reset States Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 7.1 Supply Rise Time Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 8.1 Typical Crystal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 8.2 Formula to Find Value of C1 and C2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 9.1 USB2240/USB2241 36-QFN, 6x6mm Body, 0.5mm Pitch. . . . . . . . . . . . . . . . . . . . . . . . . . . 27
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Revision 2.6 (05-08-08)
4
SMSC USB2240/USB2241
DATASHEET