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XL-MXG9BK
Description of Major LSlIs
M@ = HD404019RC135 (1C991) : Micro-computer
1. Terminal Layout
.
(2. Key matrix"
wer
KEY iN o
KEY IN 1
KEY IN2
KEY IN3
KEY
kevourt |
Wan
nwmsA
WN
=
| KEY, OUT.2 ||
EDIT
KEY OUT 4
MODE
FADE
REPEAT
ee
PLAY ?/
OPEN /
STOP /
KEYOUT7 | pause
|
CLOSE
CANCEL
CLEAR
HD404019RCi35
3.
Pin Description
Ra
Symbol
v0
Functions and Operations
Ea
Sym bol. lof
Functions. and Operations
: fi~a | ao~se
JO [FL grid control output
FL grid control output
| 35 | (iso
| O Serial data eat for (C841
Pe | wo fftsegment contol output | x | wo | | [write requert signal input
[eo [ cena [Oro grid contol output
|» | _vow [Ofiarer on signal output
fom7p sie [Or segment contol output | | error [0 [Key matrix output
Pie [we ]=|Non connection
_| » | rom [0 [Power off signal ovtpt___—|
Tie von [1 [ru Power suppiy
|
[eran [0 [Graphic mute signafoutpot
2
a
OC
ae
a
ee
eros,
ox Key aks
aa
KEY OUT3
fe | ow
[i nn
a
ce
| wid _
input
KEY IN3
[a [ww [0 fRead Write signal output
Vas [reser 7 [Reset signal mput
Sd
| 2s | aoew | 1 | Close switch ' active low
iso | owe
ff Test mode input : connected to+ 5V
| as |ornsw | 1 | Open switch: active low
tr]
oser fr Clock Oscillation input
Reset switch : active low at the .
"RESET SW ~
inmost position of pickup _
Clock Oscillation output
[ar | wr | [rest mode input
isi)
ta
closes
| 2s | cose
[0] Close signal output
5s | Keyos » fO| Key matrix patput
| 29 | open
fo Open signal output
}s5 | "orm |i | Compu-iink signal input
fo | or
ol Tracking servo off signal output
ss |"oeour fo' Compu- iink signal output ;
.
os
fa | ew
fol Tracking gain up signal output
| sx | ever [ofx Key matrix: Selah
Sil
es
— ee
} sex
LO [Clock output far IC841
-
fo[rt and control gutput
[5 Teens [fe bettas at fool ie [ot eto
(No. 20436)1-3
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