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C/L
Input signal to determine the bus interface.
I.
54.
E(R[») -.-.
- C/-L
In -the 6800 family" mode,~nable- Sync--signal input- from··the- CRY,-]n the- 8'080·~famiIY mode·,Read Contrei -si~tn'al-
_ _
_ ___ --input -from-
thd~cFiu~
' . ::1' . .:.;'
'~;~~~~_'~~I:" :L:_~~:j!iJ._ ~Ii~~:i ~L~-~:~-_~::.~:J~:p_1
__
L_~
__
f~~~:~_ .~:_;;?1.~!_._;
__ . _
I:-----~-~-
Ii 55
R/W{WRT
I
C/l
In the
~,8RO; family :_qJ9d~_, _R/w.-,Se[_e,~!t"Sig.h"ar lnp'~,t::irom:-~rM, C-PU.~
I~:-:----rf--;-;-'
" ,. -,-- :-- ,"
_·c· -- --:-
_",:7 ::.-- -
-1.n-1he--808'o'~f~:n:,ilY~'rh~~de-\v~rt~ tcori~r~I'Sig-~~I._input~fFC!'m~-th~'~CR-IJ--:
-----~
-"-
--~
-.-- --'-_ ..
li---
~t-t--'-'----:--D;~'
-:I/Q
~::~<~--
. .
8j
'~irectiori'ai-'data"wiHI
tnet'cfiU';'"
oJ"~"~"~
.'I;~·.~,.:-:',I"',
'1:':_:'
r~:3-r
-
--"-~j
j,ri
"'"''
-1
i
:~
64----
1
!-,1J90-'-~--
-1-0-··...: ::-.:.:[--
-1'n--the--divided-displa-Y--for'ma~~~f-}_b~l9:D'~''p~raU~!~-ou,t~ut-.?a!~ _,~_?;-~rovi~e-
-tbe
uppe~
·data fOf·,the-lqo..,r-"1'w-
~
! !
drivers. In the non
-djvjdetl--dispra~~
t6r:mat
mod~I--pa/allen~ut~UtI d~ta
to
p~ovide
fo:r the Let)' row driver's.
67
UD3
UD2_UD3 : 2bit outputs
UDO-UD3 : 4bit outputs
i
i
;
.,.
i ,' . .
1-
--68·
6D6--- - -
-0- ---- --b- ---
-P-aralJe!-output-data· to, provide, the -lower ·data for- the-row drivers· in -the· divided display-foFrri~it -mode
o-ftile--l
! !
LCD
!,:':Y':
,,-,':
;J:h~
"'Il:~'
:!J~iJ!i'
:
;
! ,
'T,'\
i
,;'
71
. L93-·,
~ -.-,~
.
·c-
·-_lD2, lDl:2bit-outputs-,- -.
.----- .. '--,
ii,
I
)\,
I'
-bDO---LD3- :-4bit-!outPuts-~- -- -- ~ - - - - - - --_.'
,
','
I
I
'
,- "
I
-- --,
:-~;-; ~f--
-
In."~he -~pl)_~~,i~!ged;,di~pJ~xJo.rIT!~t these~ ~,U>~p'~~~,ar'el
not used,
i
- .. - j.-
:4B/-2-B-'- ': '
·IL ,- -
'.':j;~
' ; ,' -Input -slgn'ai
~to-::SeleG-t--t'ne--'tYp&-O-~-tIie-.bCb'':dat'a
t
outputs, the-
.2---bit-or---th~-
4---bit--data-outputs, .
.
:-~
T;' ; J, .
,~1~j:~:~t~:fLt;:~~~l:t~m~,;~~,,~u;·~";',~:'_~1:!i)!
. . , .';
·.·,c,';'{·
, 73
VOD
.. ·74-
75
··OSCl
I
o
,-L .. ·These are--the -pins-to--which-a"cr-ys-'tcir
IS
-atl'aGhet{in'':'th,{
inte'fri'iii
oscillation- on mode-of- lCD-.- On--the--use
of external
Clo~~\lOS-C1:i~I;Me!~Qt~f~saJ~t'lKi~p1f~.')~ i~I1:j:,:
""' 1 :
i
j . .,
i
~
',:1'1
'.1
-
OSC2
L
I
76
VSS
System ground
".>",,"
""J'"
I[
77
I' -. '.' ;
WiDE
.
"., .,
, - 18-·
DSHC-
·0
79
DSHC
o
I'
80
FRMAC
o
I
82
DLAT
o
I
83
SYNCLK
o
L
Symchronous signa!
to
prc)vlde
fo.r.J.tli~:' ,exterha'.r~ syst~&i:'~ .
84
CHAClK
o
L
Character clock output
'1) CIL
indicates the CRT or Ihe LCD mode:
C is the LCD mode
L is the CRT mode
CIL
is the CRT and the LCD mode
Description of the Programmable Registers
... ' .. :'.,: '<'
I
_Addr~ss
_
Re_gl~!er
R,!!gister T_ype.-_
.!' _ :
. Readl
1
"'D_j~pra~
'j
,,!
Mooe:-
"CRT/LCD
~egjster_
Number
"',
, :Write '
CRT/leb
'",I' ,.
l'"
' . Vi . . ,: :
CRT/LCD *2
01
R1.
firixontaJ
,Qispla_yed
J
',:
Ii
':W:'
02
R2
HSYNC Position
CRT /L0DJ
*'2 ,:_
j
• •
, ;
Ii
03
R3
HSYNC/VSYNC Width
'II
CRl4/LCD *2 : V),
V2.
.Q4.
.
R4
~ertlcal
T9tal_
Vettk:ar -Total'
A'djus'f
':'J
,w ";,-: ,
CRT,'
'x,"x!
06
R6
Vertical Displayed
., w,
CRe
x:
07.
R7
YSYNC
~os,ition_
,
.~t
V1
x
08
.R8
'II
,:
'CR-P·
··G1'
CO,
D1
I'
09
R9
I:
OA
R10
p
I'
QB
Rli
x
I.
OC
R12
'
•. ,
!
I.
OD
R13
Start Address
(l)
R/W
CRT /LCO
Dala Bits
,
4
3
1 '
VO
,H3
H2
H1·
HO
,
DO:
,
, x
V!
S\
IF
R31
Vertical Blanking Flag
R
CRT/LCD *2
x
x
x
x
x
x
VF
x
I
*1 : The register value
=
The required value - 1
*2:
In the LCD mode, the register is effective when BLANK is High.
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