Examples Of Connection - Epson S1R72105 Technical Manual

Scsi interface controller
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S1R72105 Technical Manual

9. EXAMPLES OF CONNECTION

(When 20MHz OSC oscillation is used)
∗CPU Interface(5V type)
XCS
XRD
XWR
AD [5:0]
DB [7:0]
XINT0
XINT1
∗PORT Interface(5V type)
PD [15:0]
PDREQ
XPDACK
XPWR
XPRD
GND
3.3V
100pF
3pF
GND
5pF
1MΩ
5pF
GND
88
XCS
XRD
XWR
AD [5:0]
DB [7:0]
XINTS
XINTU
PD [15:0]
PDREQ
XPDACK
XPWR
XPRD
EXCLK
CLKSEL
4.7kΩ
V
C
OSCIN
20.0MHz
OSCOUT
open
TESTMON
Fig.1. General View
S1R72105
V
BUS
XPUENB
DM
XUSBOE
XSDB [7:0]
XSDBP
XSATN
XSBSY
XSACK
XSRST
XSMSG
XSSEL
XSCD
XSREQ
XSIO
XRESET
HV
LV
V
TESTEN
EPSON
∗USB Interface
Use figure 2
DP
∗SCSI Interface
active terminater
5V
DD
DD
SS
GND
GND
DB [7:0]
DBP
ATN
BSY
ACK
RST
MSG
SEL
C/D
REQ
I/O
XRESET
3.3V
GND
Rev.1.0

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