Table of Contents
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7.7 Others and Cautions in Operation............................................................................................60
8.
ELECTRICAL CHARACTERISTICS..............................................................................................62
8.1 Absolute Maximum Ratings......................................................................................................62
8.2 Recommended Operating Conditions ......................................................................................62
8.3 DC Characteristics....................................................................................................................62
8.4 AC Characteristics....................................................................................................................65
8.4.1 CPU Interface...............................................................................................................66
8.4.1.1 Register Read Timing ..................................................................................66
8.4.1.2 Register Write Timing ..................................................................................67
8.4.2 SCSI Interface ..............................................................................................................68
8.4.2.1 Selection Timing ..........................................................................................68
8.4.2.2 Re-selection Timing .....................................................................................69
8.4.2.3 Timing of Being Selected ...........................................................................70
8.4.2.4 Timing of Being Selected.............................................................................71
8.4.2.5 XSATN Output Timing..................................................................................72
8.4.2.6 Initiator Asynchronous Data-out Timing (Data output) ................................73
8.4.2.7 Initiator Asynchronous Data-in Timing (Data input) ...................................74
8.4.2.8 Initiator Synchronous Data-out Timing (Data output) ................................75
8.4.2.9 Initiator Synchronous Data-in Timing (Data input) ....................................76
8.4.2.10 Target Asynchronous Data-in Timing (Data output) ...................................77
8.4.2.11 Target Asynchronous Data-out Timing (Data input) ...................................78
8.4.2.12 Target Synchronous Data-in Timing (Data output) .....................................79
8.4.2.13 Target Synchronous Data-out Timing (Data input) .....................................80
8.4.3 Port Interface ................................................................................................................81
8.4.3.1 DMA Read (PSLV=1: Slave mode) ............................................................81
8.4.3.2 DMA Write (PSLV=1: Slave mode) ............................................................82
8.4.3.3 DMA Write (PSLV=0: Master mode) ..........................................................83
8.4.3.4 DMA Read (PSLV=0: Master mode) ..........................................................84
8.4.4 Others...........................................................................................................................85
8.4.4.1 OSCIN Input Clock ( ex.40MHz)..................................................................85
8.4.4.2 EXCLK Input Clock (48MHz) .......................................................................86
8.4.4.3 XRESET Input Pulse Width .........................................................................87
8.4.4.4 USB Interface Access Timing......................................................................87
9.
EXAMPLES OF CONNECTION .....................................................................................................88
10. EXTERNAL DIMENSIONS DRAWING ..........................................................................................90
Rev.1.0
EPSON
iii
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