SL811S/T
Document #: 38-08009 Rev. **
Page 3 of 27
TABLE OF CONTENTS (continued)
7.1.2 Crystal Requirement .......................................................................................................................... 20
7.2 External Clock Input Characteristics (48 MHz) (X1) ................................................................. 20
7.3 DC Characteristics ....................................................................................................................... 21
7.4 USB Transceiver Characteristics ............................................................................................... 21
7.5 Bus Interface Timing Requirements .......................................................................................... 22
7.5.1 I/O Write Cycle .................................................................................................................................... 22
7.5.2 I/O Read Cycle .................................................................................................................................... 23
7.5.3 SL811S DMA Write Cycle ................................................................................................................... 24
7.5.4 SL811S DMA Read Cycle ................................................................................................................... 25
7.5.5 Reset Timing ....................................................................................................................................... 26
7.5.6 Clock Timing Specifications .............................................................................................................. 26
8.0 REVISION HISTORY ..................................................................................................................... 27
LIST OF FIGURES
Figure 4-1. 48-MHz Crystal Circuit ..................................................................................................... 8
Figure 4-2. 12-MHz Crystal Circuit. .................................................................................................... 9
Figure 6-1. SL811S USB Controller—Pin layout ............................................................................. 15
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