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参数资料
| 型号： | K25C81 |
| 厂商： | Semtech Corporation |
| 英文描述： | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| 中文描述： | 多功能PC/XC/AT/PS/2兼容键盘编码器 |
| 文件页数： | 6/12页 |
| 文件大小： | 124K |
| 代理商： | K25C81 |
SUGGESTED INTERFACING FOR K25C81-FN (44-PIN PLCC PACKAGE)
Copyright Semtech, 1997-2001
DOC5-C81-DS-105
www.semtech.com
6
4x47pF
2x2K
2x4.7K
TELCOM
AVX
PBRC4.00BR
JUPERS SETTINGS
JP1
1-2:
2-3
PC/XT
PC/AT
K25C81FB.sch
.6
Application Circuit for K25C81-FB
Document Number
(c)1994-2001 USAR SYSTEMS, Inc.
Rev
C15
C14
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C0
R6
R5
C16
C17
R4
R3
R2
R1
R0
R7
VCC
VCC
VCC
VCC
VCC
VCC
C2
RP1
NET_15K
U1
TC54VC4502ECB
1
2
3
K25C81-FN
PLCC
1
4
5
12
24
25
26
27
28
29
30
31
21
20
19
17
16
15
14
13
18
3
11
9
8
4
4
4
2
3
39
6
37
36
35
34
33
32
41
10
2
7
23
40
R
V
C17
C16
C15
C14
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C0
C4A
N
EKD
KC
KD
VX
O
O
V
NC
NC
R7
R6
R5
R4
R3
R2
R1
R0
EKC1
EKC
IRQ
RP
R7A
C1
.1uF
R5
1M
R4
R3
R2
R6
100K
R1
C5
C4
C3
JP1
1
2
3
Y1
4.00MHz
+
C6
10uF
EXTERNAL_KBD_PS2DATA
EXTERNAL_KBD_PS2CLOCK
HOST_PS2DATA
HOST_PS2CLOCK
Rows (R0-R7)
0
F29
Pg Dn
]
v
o
h
a
.
S
J
A
1
f3
f14
f1
Ins
Back-quote
’(Apostrophe)
* Typematic Keys
1
F28
Home
(
w
p
i
b
, (comma)
T
K
B
2
f4
f13
Backspace
Esc
!
"
2
End
PgUp
)
x
q
j
c
- (dash)
U
L
C
3
f6
f12
Rt Arrow*
Up Arrow*
@
<
3
F36
:
*
y
r
k
d
/
V
M
D
4
f5
f15
Dn Arrow*
Lft Arrow*
-
>
4
F34
F27
^
z
s
l
e
%
W
N
E
5
f7
f11
F38
R
{
5
F35
F30
F22
;
t
m
f
&
X
O
F
6
f8
f16
Space
Enter
}
~
6
F33
F31
F21
[
u
n
g
#
Y
P
G
7
f9
9
F19
$
\
Tab
7
F37
F32
F25
F20
F23
F18
i
0
Z
Q
H
8
f2
f10
+
=
|
Del
n
Upper case A–Z correspond to Shift a–Shift z
n
F11–F20 correspond to Shift F1–Shift F10
n
F21–F30 correspond to Ctrl F1–Ctrl F10
n
F31–... correspond to Alt F1–Alt F10
C
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
STANDARD KEYMAP FOR K25C81
相关PDF资料 |
PDF描述 |
|---|---|
| K25C81-FB | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-FN | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-P | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K270 | surface mount silicon Zener diodes |
| K240 | surface mount silicon Zener diodes |
相关代理商/技术参数 |
参数描述 |
|---|---|
| K25C81-FB | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-FN | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-P | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25F | 制造商:VMI 制造商全称:VMI 功能描述:2,500 V - 10,000 V Rectifiers 1.5 A - 3.0 A Forward Current 200 ns Recovery Time |
| K25S | 制造商:VMI 制造商全称:VMI 功能描述:Spice Model |
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