Rev.1.0
EPSON
iii
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