HP 13255 Technical Information page 11

13255
General Purpose Asynchronous Data Comm Module
13255-91089/09
Rev AUG-Ot-76
Table
6.0
Module Rus Pin Assiqnments
=====::====================================:=====================================
Function
Performed: Output Data Character for Transmission
Poll Bit: Not Applicable
Module Address: (ADOR 11,tO,9,41 = (A11,AtO,A9,A4)
Switch Selectable (OOOt)=Data Comm
(Ot01)=Printer
Function SDecifier: AnDR5 =
1
ADDR6
=
1
Data
BUS
Bit Interpretation:
R7
Data Output Bft
7
- 86
Data Output Bit 6
Data Output Bit 5
A4~
Data Output Bit 4
Data nutput Hit 3
B '-'
4.
DAta nutput Bit 2
B1.
Data Output Bit 1
RO
Data Output Bit 0
I
Bus
,
Value
Siqnal
-------
--
..
---.~
..
----
-------- ....
-----~--
...
-
X
ADOR
15
X
ADOR
14
X
AOOR
13
X
ADT)R 12
All
AOOR
1 t
AIO
ADDR
10
A9
ADDR
9
X ADDR
8
X ADOR 7
1
ADDR
6
t
ADOR
5
.A4
ADDR
4
X
AOOR
3
X
ADOR
2
X
ADOR
t
X
ADDR
0
_
....
_---
-------------
--
.....
---
----
..
--~--
...... --
67
BUS
7
86
RUS
6
85
BUS
5
84
AUS
4
A3
AUS
3
82 AUS 2
8t
PUS
t
80
BUS 0
--~-~----~----------
--~-----------------
l=Logical l=Bus Low
O=Loqical O=Bus High
X=Don't Care
----~------
..
---------
----~-~-------------~
=====::==:=========:=============================================================