Epson SCE8720C Series Hardware Manual page 28

Signal characteristics
Table 3.3 PCI signal characteristics
Signal name
280-pin connector
AD[31:0],CBE[3:0]#,PAR
FRAME#,IRDY#,TRDY#,
STOP# ,DEVSEL#,LOCK#
,PERR#
SERR#
RST#
REQ[1:0]#
GNT[1:0]#
PCLK[2:0]
INTA#,INTB#,
INTC#,INTD#
Table 3.4 ISA signal characteristics
Signal name
280-pin connector
SD/SA[15:8]
SD/SA[7:0]
SA[19:16],SBHE#
MEMR#,MEMW#,IOR#,
IOW#
SALATCH
AEN
ROMCS#
MEMCS16#,IOCS16#
IOCHRDY
IRQ[5,9,10,11]
Rev.A
No. of Block I/O
pins
37 PCI I/O
7 PCI s/t/s
1 PCI I/OD 3.3V
1 PCI O
2 PCI I
2 PCI O
3 PCI O
4 PCI I
No. of Block I/O
pins
8 ISA I/O
8 ISA I/O
5 ISA O
4 ISA O
1 ISA O
1 ISA O
1 ISA O
2 ISA I
1 ISA I
4 ISA I
EPSON
CARD-PCI/GX Hardware Manual
pull-up/
Vol- I
OL
down
tage
3.3V --- 5mA
3.3V 20kPU 5mA
(3.3V)
20kPU 5mA
(3.3V)
3.3V --- 16mA
3.3V 20kPU ---
(3.3V)
3.3V --- 5mA
3.3V --- 8mA
3.3V --- ---
pull-up/
Vol- I
OL
down
tage
3.3V, 20kPU 8mA
5VT (3.3V)
3.3V, 20kPU 8mA
5VT (3.3V)
3.3V 20kPU 8mA
(3.3V)
3.3V, 4. 7kPU 8mA
5VT (5V)
3.3V --- 4mA
3.3V --- 8mA
3.3V --- 4mA
3.3V, 1kPU ---
5VT (5V)
3.3V, 1kPU ---
5VT (5V)
3.3V, 10kPU ---
5VT (5V)
I Reference
When not used
OH
PU/PD
PU/PD
-2mA --- ---
-2mA 8.2kPU ---
(3.3V)
--- 8.2kPU ---
(3.3V)
-16mA --- ---
--- --- ---
-2mA --- ---
-8mA --- ---
--- 2.7kPU PU
(3.3V)
I Reference
When not used
OH
PU/PD
PU/PD
-8mA --- ---
-8mA 4.7kPU ---
(5V)
-8mA --- ---
-8mA --- ---
-4mA --- ---
-8mA --- ---
-4mA --- ---
--- --- ---
--- --- ---
--- --- ---
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