CDP1871 Просмотр технического описания (PDF) - Intersil
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CDP1871 Datasheet PDF : 10 Pages
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CPU
CDP1800- Series Signal
CDP1871A, CDP1871AC
CS4
MRD
MRD
MRD
TABLE 2. VALID N-LINE CONNECTIONS
CDP1871A SIGNAL
CS3
CS2
CS1
N2
N0
N1
N0
N1
N2
N2
N1
N0
CPU INPUT
INSTRUCTION
INP5
INP3
INP6
SENSE
LINES
S1
D1
SP 0
0
S2
!
1
1
S3
“2
2
S4
#3
3
S5
$4
4
S6
%5
5
S7
&6
6
S8
‘
7
7
TABLE 3. DRIVE AND SENSE LINE KEYBOARD CONNECTIONS (NOTE 2)
DRIVE LINES
D2
(8
8
D3
‘@
@ NUL
D4
HH
h BS
D5
PP
p DLE
D6
XX
x CA
N
D7
Space
D8
D9
801 8816
6
D10
9016
D11
9816
)
9A
A
I
I QQY Y
9
a SOH i HT q DC1 y EM
811 8916
6
9116
9916
*
:
B
B
J
J
RRZ Z
Line
821 8A16 9216 9A16
Feed
6
:
b STX j LF r DC2 z SU
B
+
;CC
KKSS
{
[
Escape 831 8B16 9316 9B16
6
;
c ETX k VT s DC3 [ ES
C
<
,DD
LLTT
|
\
|
,
d EOT I FF t DC4 \ FS
841 8C16
6
9416
9C16
=
-E
E MMU U }
] Carriage 851 8D16 9516 9D16
Return
6
-
e ENQ m CR u NA ] GS
K
>
.
F
F
NNVV~ ↑
.
f ACK n SO v SY ↑ RS
N
861 8E16
6
9616
9E16
?
/
G G O O W W Del -
Delete 871 8F16 9716 9F16
6
/
g BEL o SI W ETB - US
KEY:
SHIFT (Note 1)
NORMAL
ALPHA (Note 1)
CONTROL (Note 1)
NOTES:
1. CONTROL overrides SHIFT and ALPHA
= No Response
2. Showing ASCII outputs for all combinations with and without SHIFT, ALPHA LOCK and CONTROL.
3. Drive lines 8, 9, 10 and 11 generate non-ASCII hex values which can be used for special codes.
4-71
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