Epson PC AX Technical Manual page 291

f-
~
f-
z
<[
z
o
z
u
o
f-
o
a::
<[
o
Z In
U
p
OWS . 5 VOC
' 5 VOC
· 5 VOC
. 5 VOC
' 5 VOC BALE
10CHROY
-IOC51S
-MEMC516
5015 SOl 4
5013 5012
5011 5010
509 50e
LA23 LA22
LA21 LA20
LAI9 LAi e
LAI7
-MASTER
IRQIS IRQI4
IROl 2 IROII
IRQIO
5BHE
AEN RESET ORV
OSC OR03
ORQ2 ORQI
T/C
-DACK3
-DACK2
-OACKI
-10R -IOW
CLK GNO
GNO GNO
GNO GNO
SAI9 SAl B
5AI7 5AI6
5AI5 5AI4
5AI3 5AI2
SAII SAIO
5A9 SAB
5A7 5A6
5A5 SA4
SA3 SA2
5AI 5AO
SD7 S06
505 S04
503 502
501 500
IR07 IR06
IRQ5 IRQ4
IR03
-5MEMR
-5MEMW
IR09
-REFRE5H
-I/ O CHCK
OR07 DR06
OR05
-OACK7
· O ACKS
-OACK5
ORQO
-DACKO
. M EMR
-MEMW ( , N O
~27b POWER GOOO
G~-fOP
o
RMII-S
RMI2-'
2OK' ! l !
·&RMI2
201(-7
LA23
22 21 20
I. le 17
N M L
EQUITY 111 +/EPSON
pe
AX
ANTA BOARD
UNIT NO. Y12620500000
CN2 TO CNI ON ANT-RM BOARD
K
J
74ACOO 40S9VBP 7407
H G
140
A20
F
E
D
c
B
GI I D A Bi:::1
GllDA
1
48
rlr
CPU
RM4, 5
...
~
1423 g::
~ 4 ~ ~ f : . - : . - : . ~ ~ ~ I : t - : . - : . ~ 1~§I~~lAI17~~~~22i:~:~f~~~::::~:~~47i==!::~I:~[::==~====±~j
1421 10 1422 013
f.4"'7,-_~0113<__.II
AIS I
SAIS~~~m====l====l:t;1
"' & 20
:~~ 01214iS~~0112~~
1420 0 LAI7
R
"m-
AIS
g:~ ~
__
~A21
:
t:::.~'-_!"~:_--_+----+_fo,J
::~ ::~
D9 .S
;~~ ~ ~ L ~ l : ~ ' I ~~~~~~$~~~~m
AI S All
~ ~!-~~_.....
:,_
1414 17 ::: D6 ~!-~'!---"'" rt-1f-t+-H......,f-=......,H~'<I=~~:N6 LA2
,'IT!" Ii'
(2AI OS
~4~=i==1
C2S
~H:
U
vcc 4 OXRW
,Ai2
19 1413 D4 44 D4
L~jtStS=S:t:tjlE:t:t=:H:b~k~0~.I-~~~~GIID8
,!.
SMRN ~4[I:======+=~
,'Iif""20
::~
03 MEMRN SMWNt
·~8
-:;r3
:~O g~ I:~ ~~ L-==~Ftt~tt=ts:t:~=ta:t:=tnt=t===~S~:.::.WN ~=~~
*
~
A8 00 36 00 10WN XI D RN
146 2S 147
12~.S
7MI O XI O WN
: : "H
; S 4 1
COO/TiiTA~BHE~~~====t==::;_Httlltt1It1It+=t::t+~++t+f:+====~2~N S~~
R M/ I O 3GSAN XBHEN
~ ~ 143
sr
Lttt1itltt1-t=t:t:++:::t:+===~~ALE GSRWN A' •• OEN NDI I S70PI
y-+_~~A~I,..-""'~:~
d
r--J
GNOA
lIel
NDI 2 ~UOP2
~
140 CLK GNDA
NDO
I T C
d
30 VCC HH~LO~An~ GlI::;;;;;;:;;==I=1==1=++.W__., 62 VCC
lüW
S4
CIS LOCK
I;>:~ ~~-"
0. 0 47_
~
=-
;5
. S
3 9 VSS PEREQ
10 VSS
.-.....--""'1
VSS 68-Pln
Jr
~ c~_
80286
~CAP
0. 0 47_
A
PCLKI I
.=
~~ceM
r ~~==~A~1 13aAI RC
~
RSCPU
j!!=
-
1 ~ ~~~~~~~~~~i~~~~~i;;~~~~;~~~~~~'~'III~~I~~~~II!!!!!!!!!!!!!~~'IIII!!~~~~~~~~~~~~~~~~~~~t~[rI~;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!II~~~iRj3~2'4:7~0lI!III!~~~:E:~:~~~
4~3 ~o5
35b
~
ClIPDO R2
I K --olb
71T Sc
C~ :~
- - - - - - - - t - + - t - - -......
-W
"v--~~,s
:=8
~~b
~ S .
CSI' O I ARENN 3s
IrR~~~~~~~~~~~~~~~~~~~~~i~~~~~~~~~~~~~~~~~~~~~~~A~A~j~~~~~~~f~~~=~
. S --o49b
ARDYI I I --o50b
13CI
..R4 05 . S 201(-17 I.,.ft I L-======g 33b
RIWP"
[1<lI'
3R •••
I
Bul t o n E . 1 40 32.
5 RSWI I
~J:~3~~~~~ ~ ~~21~5~W~3~~~~~~~j -]j·~~li~31::
00
1
: :
I:: :: T'_
I.
~ - 7 1 ~04
11'--------0;,:
~~:
~r;;;c :,:~
0
~===:!jlt----i--;I~O
-7 :: 8
BA4~1~1~~=i8AIi=====~~~~1
1 ,n.
~~;;.======:g3
••
CR31-· ' - --' I 1"4"' 8 : : M : . . 6 : : 3 "l C 4111
~ ~~
37
I ~
A.
5 :::
~~l==~m~=========1
I
L..J.
I R DY . 1 AEN
ORQ3IQ3i~~~~~'~~~~~~~tl~~~~~~~!R4!3~~6III1~~~~~S?45b
7~
.....
34 C Ost 47 : -
:~
ä
::~ . . , 2 !. ! , 1 , - _. . . , 8AI
!'l'!!'- ........
YJ
5:.. ~~ : ;.:~~ ~~
7 Df t Q O
.~
iii
' " ' 6
J
.5 , 9 ; 0 5
....-.-L
MW
~
14· 046.
20K -
"6'
RSOV
1!
1
:t
4
-+-+-, •
3 Al l SAII 47 BAI 2
=
E R44
~
110 RMI 4 9
r
~ ~ 5
4-
47.
4 RSN t>jS[6===============:j......,
0
2 1413 60 AI2
~ :::~
A 3 SCLK 0
~t~tjt;::~~~~il:4:"~.J_Lt;2:01<:-~~~=~*~=~~~fff:-~,~.~~~;
mRlf
~::
~
ACKI I
I:
12
~
:
~I ::~
11414
~SI
1 1414 ClPoo
6'
I CI4Ml C41M
t - -
REBET S .. RMI-4 34b
e AIS 62 AIS l A IS
oll ....
voo 40
rms
PIIIS ~3 ~:U{:fiJ:U I I
-I 1418
63
'I. 1' 1 . I
~-
• 6
Cl
VCI
,~OaOI
GAATCX
~S
C
20
~
SAI
~:;:;:~'3-~~
I
I • I AEN
~
•-e I R xR, o
Illt==1~=======:::J
C 2GI I D ,F. 9
f~~~XA~'giA7
12FI
~
.. 18. 2.
~CI4M
EMEMRN S4
.-6. . . . .
~ .I\-S
. . . . . .
- -fU-..,·.H:I~~~~TN
XAIIf-- 21 "GIID
~B
:
~~~:=C::~
01_ ::: ..
~~ VCC 31
. S
~..,_~,"
.. _ , . . . . .
, -4 . ...
, ~ " , _ . ' : . :~t:~~!::J1 7TTl::: ~~:
C OFF 62
' - " ' 1 1 VCC XA2
fl'r---
B ,.. .:;::" 111 XI 4 0
7D7 "
NC
T
JI
R~
C' 7
l-j5~36~.
... 49
1;;'
XA3
Hl!!!..--~-~~""""---------J
0. 1 - (3BI
rtt.....::~~C~.~' E::-~lifI-
11.
11 ",
I XA "' 144
~
-----
~
S RA'S.
GAATCKEN"llliO~~~~~~~§~~~ij~~1~~ff.~=~~~~:lIV="='-=;J;;3~4
IIAI
=::
I::
~
GAATRF
~
I I
XI O I
_~
l1:t1rn
X
6jo' i ;
i i ~ ' ~ O : :
GND
~O
0. 1 _ . S
~
'l1.
S
:: 4 RAI A
:~~
32 R 40~ GSIOII XAlm!==~;!:======~ I C14 40, ~~~~~=
510K
7=.=.E
JX:
~~~AI OMAI
l'i
12 2 . 1 416 l O b
.S VCC OTR RS_ XA7 2. J4
iE
~$E34ijW8I11 •_
"M
~
*
~~.~ A08237AC .. 11 :~~~_ij lAIS::
C27 ~
VCC M8TRN X"
.~~12=jX~A~I~======~
J- WI2N I.
~itjjj~X~Ol8.~'
07 10, S' 1 4
r -
EALE -- R
~
C9 R42 _ ..,
XD- 06 (8-BIII
91"'~""""-;;~-..I
R 7b
0. 1 _ ,.- ' L E
:~
GAAT AB XA.
Ja
WI 3 11
15,F 560,'m
I
"'iT~=;;==~WJ'
2
Sb
Tfr3
R -" XAI O
'''~)(OO
Il OS 40-Pln
~~~;Ei-~
RAI9
5b
"r!
C20M
::~~ 18
2ALE XAI I
~n~=3X~A~lll~~~====}-;:±==d~~X:A:O=B=::j~
R7""'--'
rAI-++<~)(O;:·~"";"iil04 ~4i.~~31~
SAII 4b
7lT-
L---~it1it1ltttt-;::::~+t=f:====12~SOE-II
XAI 2 S4 XAI 2 XAO .
1.
. S . . . . . . . . . . . . . .
rU1J1Dl~~~I)(O~·~·ljO~3 ~
SAIO 13.
~~ ~4E XAI 3 2K
7TT
RI
°oc.fl • •
02
.At
12
I~~:
4S
~::: RM~~:
y+-__
=7lr-,2~K~~----1: ~~ XD~,I ~ ~:~ ~t:~t:jSül::7 :~~
=~M ~~"~~~
..
t=1tLDU1Lj~~~2~~R~I;2~~i~~T1~~1'0~U~-~~~-~~~lJJ~dtd~~~~!ij~=~~~~~~~~~=~~---~W--------~;~~~~~~:f~j~2~I't'ti~~~~~~~I~~~~:
ROYI I 23 330 OU G24l l 1 1
I~:::
I R LG
3""R~IIS:JyIJr-_t-...::-===-..
SA; 07.
80-11
024S CII3 2OOQ02 SW2" 201<020 S.
SI-II 29 ALE 4S RI3 RII ,
I
05 RM7 I 5.
HLOA
~A
I I P CSN
b"33oft.----t-----.......,
2K02 9-
r
A - E - I I --- DR -QO-' 1 IDft Q 4 S07 .....-.....,-"7-9 S ;:
CLK
A20G
f-==-==~===~a;=~t~~~~~~Ea$~=;ilAOIT8
OACKO
~. ~
8 S07 20b
7:cl..11
=
48 r ~ "" REAOY.S·S
4
1---".......
7 - I9b
IEMWII a.M1I 41
Y
iiif
3 6 18b
I O RI I XIDft I l
4+--"-<IliIW"
201(
xe
2. . . . . . . . . . .
~
5 S03
:~:
11171411 XMWI I 41
~
I D R 20K I
lJ:U~L_U~~I~~~§~15b
~OOWII
=:
13 " ~~: RMI. - 7 N~~:~:~~:~::a~ 0
--1 "r--
2 SOl 14b C R ,_
IIFIIO
L..-
RESET
EiiP
~36=-
.. 201(" 13b
Am HIlQI ' _. 7 HIlQHlO'
PINS
n
5
. !
lr~1~~~~~tt~~1~~t~~~~~~~~
37.
A20
HAKI 31
~~~.:
147 R 3B.
AEI I I
XIHEII '"AT
VCC 31 05 39.
RBTI I RF20N
~I
Iv.. 146
I
40.
4 COFF RFIDII
p;;---,
~=tm~~::
12EI
...L
m
;~~
~
I
~J"
OUT
I
I
t
Tvn 143 GI I D
H
0. 1 _ 31b
" " " ' - - - - - - - - ' r - -
~~i~~A2 DMA2 RMIS-4 _ ~ 41b
t
XAI AI 8237AC
1
I S - S
.~
1Rii'''' -
. S 4. 7 K
~
. .
. .
R _ I W O , . . . . - + - - l + - + ~
t=tIE7
~ ~
116-BIII
~i~l~j~~~~~~~~~~II'SS-6I'~I~·-.11'2OI(1031111111111111132b
. S .--- oa 40-Pln Ili::Ii
~.
3 4 b 2b
470Q .,..,..-. . . . . . . . . I ""' V Il 4 . . - =OS ORQ3 43b
l t~~~=!~04
ORQ2 44b
XD3
03
..J!llll.L_
~I---.~ ~ :~
=
~
00
~
Ittjt-.J.L;~C'L ...J
48.
OMA Controller
I:~:
7.S ._
~?:
2 • S
50.
S ....
,~_
3
1110....
~
•
r *iT~tHtHili'~~16~G~AITE~2f-107a~i~8~b~1=4 07 IR7 . . . . ~ R_~'
. .0-l;--7_t-_
_+-~ ttttt~~'7~OG~===g 2Bb
I
. . . . . . .
GATEI 01 01 IR6
!·I·~iIRO~I~f~~~~~~~!~===;20;K;·;~~=dJD
29b
~
GATEO OS 4 OS I R S 122 IRQ4 ::4 21.
L ~=~~
WIf
04 .S
~
04 IR4 121 IR03 SOl 3 20.
~ ~AATIO TM2G •• rt-~ClIg 13EI 03 SX ~ g: lIFI :=~ 20 I R Q2 ~SOI2 19.
~
AEOI OK40
Il4~~t~~~tI]I;~lt~~~~~i~~J~J~1~r,.....J~
CLK2
g ~
.7 01 I R I
: ~ :
'----",; . . i " l A E02 AENI 23 CLKI 00 e XDD 00
~
. S RMI 160
100. I N TAN AEN2 AI I N T CAS2 15.
'----"!30~RSTN
ST81 In CLKO 140 CASI
SOIIS46-·8;:J~~=::.i '------=v--SDl~f===~
14.
Ml T RN . T 12
r-*
OUTI . . . . .,-
H:
ACl < 1I E OUT2 4' oun . S 13 7 ..._,.,..-. . . .
: EIl A I 0OAKON 20K. S 12 6
",_\0---1
~o
:1::'
~EE ~i5:'n
GND
ß-
~~4+H++-
I
~028-Plnvcc:'36
i
RMI 3
:~ ~!'---':~~I\---~=~
LA: :
~r:
• HERN 9 OAKIII
'------~
1
V88 F1.I- H LAI7 22b
_11 2OAK711 Tlmer 14 23S 6 20K" 21b
1 RB E I D EI I I IMoster) 36b
"' " S
II~II
ARFHI I
0'7 ...,
37b
1 -
~ A~~ ~
02 XAI ; - - - - . All lAie 39b
! ~"~t:~~
XA2 I All 74 40b
OS XA3 0 1420 72 05 22.
T
XA4 0 1421 RI7
.~.:IIMr-'1
D6 07 Num. r l e . 1 Proc....rExl . XAS F 1422 7
,~.
XA. ' - " 1423 4OQ
~7~t:~oeOA
OI S SOlS
I--
13 0l S SOl S I S XA7 IRI3
12 ..
~
6 E ...-:=-="XAI PCKN
"':0'.MJI.-/I
010 014 014 0 ::: SI 1013
t:;~!i:tXA9
EIIPR
47
":::!":"'N.,.-'1g:~
40-PIn g::
I~
•
g:~
I 1012
v.o~~",=:W ~~: ~
X07 407 IR7
~:IIIQ"
z"
81
3
0
0
1
10
1
12 Ol l 0 1011 47 1011
'~~~7~XX~II~ CC- I I I I I .~~
XOS I
g:
:=:I~:illQ::~ii~i~~~~k~_J
4 010 8 . 0 10 __ .. R
~
.&
L-I+I--liX!ll0~4,---,7<iD4
!lEI IR4 ' I
a ~
OI S
os
14 01 7
sos _
ALS245 XAI4 CSI 2 11 X03 •03 I R 3 21 I I I Q I I
20K
I S 01 oe I oe C
S O I " '
7 11'---I'f~l"ij'~~~~~~~I;~XI017~~~I~;IX07
XI W N 02 I R 2 0l I I C l ' O
• R40 07 I 07 A 107 ~'--'SDI~,--.+t----1H--!-lA7 17 I.
XD8
xoa XI R N ~ 0
00
1 I R I
91_
20K 12BI D6 oa Boa
~~;I~~l~~~j
xos Ne
Ir :
I OS ""' 6 :g: 14112011. 1 14 ' - +--+---!,!-!XD4 VO
~e~3t==jj==:-tIlttttt-IL.i1I--------=----~-------+t-+tffff~~~IRO CA'2~
g: 4 803 3 :: :: I S X03 X03
RTAI ~4~'E~~~E~1~Ul~t=E~]L'S
im
~:~ 12
y-+_t-_....__. = : 3 7 . : . . j CLK216
g:
02 102 "
13
X02 RTDS ,
.tiIJiiiL:~~
.1
01 22 01 201
0
SOl
!--
~I"~ XOI RTRW CI7
L............;c
iiD
I N T
t'
J3
~ ~
32 00 23 00 00 100 '--
~2tt==l=t~:~ :~
111 Xoo
~~
(2CI
-;~
.4 R22 0. 1 _
WIf
VCc~.s
L. ~I-+_t-je_IMH--"f;o1 05 CLK 2 MOl S
L -
MOl! C"
OI R XAl l I
7
30K VRI .-{
I-<
10V L . - ; 8259A-2
H
I .l..
C32
8
e::;J!
~~ ~~:~~ 4 l~E~li~~~il~~:;N ::: ~
'--
'XAJ.I.
7
=:::
VDD S3.7U .. l O K I
Tl 2
~ IS ~~..:
CN3 28-Pin V88 14 0. 1 _ J2 A C
311
CKM COO/ I NT' 00 MOl 2 CIKIII V ..
~~cn t~.A~~'~"'~~1~':@~~~c;1f-;::fgl = IPEAKE~I
SP/ E N 16
I 4Ne HLOA GOU MOl i Ne V..
10
0."
:l:
R23
&
~
...
C3 f1J;oKIO I N H STO JI
m
13 NC ERROR GDHl I MOl O 1I::::
MD
l:::-
470Q
L...;~3'.
GND 7ON ANT- L S (Slove'
05 R:~~
2 S
_ W!..~: =~i
F F
. S R37
m ,.,
BOARD Interrupt Controller
~ RE ~IOY ""'4:::0-----t---+-t-'~1l
cl.
.~ ~
........
GMDLN Moa Bl O Q
vcc R..
~
tl
~-.l__+:t::j~+:::t~
GMDHN MOS
~-...JllIIL
...... 1
C23 . . . VCC M04
~=::;.l;:~
r-
20K_4
~
i
C vcc OBI M03
~
MD!
0. 0 47_ ~ ~:: g=g~i~~~~A~~~t+--~~~t~~.t.~~J~i
I
r
I
I
:=
=
a=~MD!I~j
Ä-~E5lX
1J.lm
GAATOB
."r.-
IIPWR~
05
~~
I
I ~~
4E
AS
~l~~i~~=l~I~~~~ll~:~~~~~~~~
=;
1 : i · I o o ~ ; J I ~ c l = !l~!I~
1.
~-1
2
A
~~
I
~ ~ ~~~f~~~I.~~~:~-~.~~~~~~~.!·~~~~!~~m~~~·!~~~~~~~~~~~~~~J~J~~~~~~~~~~~~~o~e!~!~~~~!M!~~~~.~!.W~~13~I!JI~JIJ~'~~.~~
4E K. y bo. r d Int.rf.c. I 3. M
L
,~~~ O'~OOOvv
l __
lLl~~~~~,,~1~4~E~I~~1~;~~~'5t~3~X[T~A~L~2--10~7~IIS~=~±=~±b=~i~XmO~7~==~I~I 1407
NC I
I ~~O
40 R EHA' C CR
OE
JMM MMMMMMMMMMMMM MX XX XX X XX X XX XXXX XX LX 555 SS 5SS5 5S SS SSSS S 5AAA AA AA ~~:::: ::: ~~
5; 555
-- ". . . . . "10 XTALI
0611Ie~~~I~~~~~~IIXID6~~~~1011A~06
NC 16 R31 CR4
12~3
FNLLC5SEMMROOOOOOOOODOOOOOOAAAAAAAAAAAAAAAAAMBAAAAAAAAAAAAAAAAAAAII12222 MMOOOOOOOEEVVVVV
140 OS 17 X05 .:g: OSCI 2
24~1 S~~:HD~cI2
2BOEKRRFOEA012345S7B9111111012345S7B9IIIIIIIIEH01234 5S7891111111117B80123 RW MMOOOOO
3 21 C
Ol. OII
3PI6 (3FI g::1 ~g: 1403 OSC21_~Ne 14 22PT32.761 T27P
°r
~~i ~M 012345 0123456~5E 012345678 WRCCCCC
,........{y-(
PIS 02
XD2
1402 SQW
r:;~
Ne
117
KHz
7fT
R
*
~WI
4
PI4 01 1401 CKOU
~:
Ne MA195_2 CN4 C H
CN5 3 00
AOO VOO
4 . . .
~
6V)2
R /
I O K
NC 2PI3 31 R IIS_7
11
I . ..
T
T
r ~'.~~ . . . r~~\::~=============================================================-
J
5pl n OI N
,.....!R~3~I-'\I\fIr::.:...;~
NC PI2 P27
l:ll.::::
I R Q CKFS
"'iI"'
RIS l E . ! . . . . . . ! !2
.....0
GNO I
K. y bo«d C.nn.c' . r
81
R30 · ' I OK . S NC
~
Pl i PU
~
. S 2OK. 13 CI
iiBn"
Jll<
2SB80B Q2 ""
[
7'i
.~...('ij~l-
...
-=i~~=~.~5~KID=~C~L~K;_:_-..:N::C~1
P IO P25 I •• NC
08F oll
~
AI
(301 PI
IK· 5 R26
~
~:g ~~~A k~~-
. . " [\
KID
OAn 39 i~:i~ ~:: 24Ne
l i .
,..!.
~ ~~W CI I SI K R24 z"; C4
KEY 3• ." -jfl!EIS . S 40 P22 ::Ne A20G ... • 24-Pln vss
IJL
0.0047, , . . . ISV 10p
GND 4
h
514 . 5
1~ ~
VCC P21
-I'
146818
7
R2S l O K
VCC
K
47P i T l l P l V OOI
--.f'ZO •
I
~
JJ" REift
I lOK. 2SC Q
TO KEY BOARD '
.Jr
.1..
CI4 F... C38 PROG SYNC 11 ... I, I CMOS Real Time Clock
7:
IBI5 '"
UNIT
I.
47P FI
!2.
C.
T L..!l
L
~~~~~~~~~~~~~~~~~~~~~~~~=O=.I=.,~ ~ ~ 2 = 0 ~ ~ ~ : ~ 2 4 ~ 0 : ~ - ~ I : ~ : ~ ~ p t ~ f ~ ~ : ~ : : ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ t l ~ ~ ~ ~ ~
. .
~~I~-~·_I-~-~jt~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=--.J
C24 0. 1 _
5
8
6
4
3
7
2
A-7