HP 13255 Technical Information
Download Technical information of HP 13255 Control Unit, IP Phone for Free or View it Online on All-Guides.com.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
13255
Genera)
Purpose
Asvnchronous
Data
Comm
MOdule
13255-91089/14
Pev
AUG-Ot-76
Table
6.5
Module
Pus
Pin
Assiqnments
================================================================================
Function
performed:
Poll
Bit:
TnDut
instruction
to
Set/Reset
Data
Terminal
Readv (CD)
and
Set/~eset
External
Control
siqnal
(X~CL)
Not
Applicable
Module
Address:
(AOOR
11,10,9,4)
=
(Atl,A10,A9,A4)
Switch
Selectable
(0001)
=
Data
Comm
(0101)
=
Printer
Function
Speclfleor:
ADDP5
=
1
ADOR6
=
1
A2
=
0,
XECL
=
L<?w
A2
=
1 ,
XErL
=
Hiqh
A3
=
0,
rD
On.
1\3
=
1 ,
CO
Off
nata
BUS
Bit
Interpretation:
Not
Apolicable
Bus
Value
Signal
_
............
_-
--
.....
-
..
_-_
...
---
----.-.--
------------
X
ADOR
15
X
ADOR
14
X
ADDR
13
X
ADOR
12
Atl
ADDR
11
A10
ADDR
10
A9
ADDR
9
X
AOOR
R
X
ADOR
7
t
ADOR
6
1
AOOR
5
A4
ADOR
4
AJ
ADnR
3
A2
ADOR
?
x
AOOR
1
)(
ADf)R
0
-------
------
...
-_
...
--
--------
------------
B7
RUS
7
86
BUS
6
85
BUS
C;
B4
BU~
4
B3
BUS
3
B2
AUS
?
81
~US
1
80
BUS
0
--------------------
--------~--~~---~---
l=LoQical
l=Bus
Low
O=Loqlcal
O=BlJS
High
X=Don·t
Care
~-~---~--~---~--~----
---~--~--------------
~-------------------~-------~-~----~~---~--~~~-------~--------~----~---~--~----
-----------------------~~---------------~---------~--------~--------------------