EasyManua.ls Logo

HP 900 Series - Page 134

HP 900 Series
198 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
1-&
1-&
00
~
~
ciCio
~
=
:::::l
'"1
n
t'D
M-
~
~
I
:::::l
~
e:.
~
t:J
==
(!l
~
UJ
n
c.c
'-l
-B.
00
~
M-
~
=
:::::l
>
~
SYSTEM
MTA
;0
't:I
ci
r---
"'!ct::
~~
I
CONFIG.
t--
U)c;
I
CHARACTE~
TTRIBUTE
UJ
SWITCHES
I-ct::
ct::
0
r
""--r--
I
'---
16
BUFFERS
I
I
J
I
ADDRESS
MUX
~
0
0
9
't:I
~
~
§:
==
~
~
'"""'
=
~
t'D
I
'"1
S'
HALT-,
RSET-
~
t'D
TO
GRAPHICS
-----to
I-
ADDRESS
DECODE
r---
TIMING
AND
CONTROL
f---
04---
LOGIC
STATE
MACHINE
I---
--
~
'"1
DTACK-,
1MA-
~
't:I
=-'
~
II
r;o
~
t:C
0"
~
~
~
;0
O'Q
Ia=&h
6845 R/W I
OSCILLATOR
TIMING
I
25.7715
MHZ
'"1
~
9
~
--+
roo--
r
H
-
ct:::5
~~
-
~~L
~
J
6845
LSI
CRT
-
-------.
CONTROLLER
r----+
-------.
PARALLEL
CHARACTER
ROM
TO
SERIAL
-
SHIFTER
1
HALF
SHIFT
AND
DOT
STRETCHER
VIDEO
AND
ATTRIBUTE
MIXER
DIGITAL
TO
ANALOG
VIDEO
OUT
J
SYNC
PULSE
1----+
CONDITIONERS
f--
~
r--
GVIDEO-
COMPo
VIDEO
GHRTC
GVRTC-
AGSYNC
ACLK

Table of Contents

Related product manuals