NT6881
Application Circuit 2 (Windows 2000 Compatible Keyboard)
VCC
Vcc
GND
0.1 mF
1 0mF
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P30
P31
P32
LED0
LED1
LED2
Scroll Lock
Num Lock
Caps Lock
NT6881
RESET
*1
*1: RESETB can be
4.7KO
direct connect to VCC if
the external reset is not
used for module test.
OSCI
6Mhz Crystal
OSCO
VDP
P20
P21
P22
P23
P24
P25
P26
P27
D+
To USB Cable
D-
VDM
1.5KO
VCP
4.7mF
P20
P21
P22
P23
P24
P25
P27
P26
#
3
F3
D
F4
C
K133
F2
E
P00
%
5
$
4
V
R
U
T
Y
F
J
G
H
B
N
P01
^
6
+
=
&
7
*
8
M
P02
P03
<
,
>
.
}
]
F6
K56
APP
I
K
(
9
O
F7
L
Bass+
F8
P04
P05
+
Enter
(Num)
Scan
Next
K107
6
Home
Page
End
(Num)
.
9
3
*
-
Page
Down
PgDn
Del
PgUp
8
(Num) (Num) Up
P06
P07
P10
5
2
0
Ins
/
Insert
Sleep
(Num)
(Num)
7
1
End
Num
Lock
Power
Down
4
Space
Delete
Mute
F9
Home
Scan
Previous
Wake
Up
Play/
Pause
L-Shift R-Shift
Stop
Volume+
P11
Back
Space
|
K14
P
F11
Enter
F12
F10
\(K29)
:
;
P12
P13
P14
P15
_
-
{
[
|
)
0
"
'
?
/
\(K42)
Scroll
Lock
Print
Screen
Euro
Key
Bass-
L-Alt
R-Alt
000
00
Treble+
.
Power
Down
Wake
Up
Pause
Sleep
L-Ctrl
R-Ctrl
F5
WWW WWW
Search
Bass
Boost
WWW
Backward
Volume-
L-WIN Email
Home
P16
P17
WWW
Forward
WWW
WWW
Stop
WWW
Refresh Favorite
Kor_L
Q
R-Win
Kor_R
!
1
@
2
~
`
Z
X
Esc
K45
K131
K132
A
TAB
P30
P31
P32
Caps
Lock
Media
Select
W
S
F1
My
Calculator
Treble-
Computer
Notice: “ Return Key” must be forced to PORT2 for remote wake up function. If not, remote wake up function will not work.
17
ETC [ ETC ]
