CARD-PCI/GX Hardware Manual
Rev.A
EPSON
57
6.3.9 Keyboard/mouse
Symbol Parameter
Condition
Min.
Max.
Unit Note
V
IL
Input low voltage
---
-0.5
0.8
V
(*1)
V
IH
Input high voltage
---
2.0
V
CC5V
V
(*1)
V
OL
Output low voltage
I
OL
=16mA
---
0.4
V
(*1)
*1: KBDATA, KBCLK, MSDATA and MSCLK are all open-collector output.
6.3.10 USB
Symbol Parameter
Condition
Min.
Max.
Unit Note
V
IL
Input low voltage
---
-0.3
0.8
V
(*1)
V
IH
Input high voltage
---
2.0
V
CC5V
V
(*1)
V
OL1
Output low voltage
I
OL
=4mA
---
0.4
V
(*2)
V
OL2
Output low voltage
---
---
0.3
V
(*3)
V
OH1
Output high voltage
I
OH
=-4mA
2.4
---
V
(*2)
V
OH2
Output high voltage
---
2.8
3.6
V
(*4)
*1: USBCUR#
*2: USBON
*3 :USBDM1, USBDP1, USBDM0, USBDP0
(1.5k
Ω
of pull-up resistance is added outside SCE8720C.)
*4: USBDM1, USBDP1, USBDM0, USBDP0
(15k
Ω
of pull-up resistance is added outside SCE8720C.)
6.3.11 Power management signal
PME0# signal (For compatibility with other cards, input should be set to low or high
impedance.)
Symbol Parameter
Condition
Min.
Max.
Unit Note
V
IL
Input low voltage
---
-0.5
0.8
V
---
V
IH
Input high voltage
---
2
---
V
---
I
LL1
Input leakage current
V
IN
=V
CC5V
---
+10
µ
A
---
I
LL2
Input leakage current
V
IN
=V
SS
-1.2
---
mA
---
PME1# signal (For compatibility with other cards, input should be set to low or high
impedance.)
Symbol Parameter
Condition
Min.
Max.
Unit Note
V
IL
Input low voltage
---
-0.5
0.8
V
---
V
IH
Input high voltage
---
2
V
CCSTB
V
---
I
LL1
Input leakage current
V
IN
=V
CC5V
---
+10
µ
A
---
I
LL2
Input leakage current
V
IN
=V
SS
-1.2
---
mA
---
