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SECTION 5
IC PIN FUNCTIONS
IC702 SYSTEM CONTROL IC (MSM6576-30GS-K)
L
"H" =counter-clockwise rotation, "L.""=clockwise rotation.
L
Test pin (fixed at "L")
Test pin (fixed at "L")
Test pin (fixed at "L")
He)
M-CTL
M-DIR
M-BRK
~ | RESET
TEST1
TEST2
TEST3
W
7
ere?!
i
o
Switch pin
[| eich pin
RaW
[1 swiensin
SS
RADIO PW
| 1 | "L*=RADIO ON
DATAI
ie AO
Communication pin
—
Oo
11
2
13
14
—
nN
— —
< Q oO
nee
a
4
nn
x a w
Connected to crystal oscillator for clock (32.768kHz)
Connected to crystal oscillator for clock (32.768kHz)
1.5V power supply
GND
-
Operation button signal
Fixed at "H"
"L"=With claw
18
VSS1
VCM
VCP
VSS2
EE
23
HALL+
24
HALL-
25
COMP IN
26
RMUM
27
BEEP
28
CE CTL
29
CLAW(FWD)
30
LED1
31
LED2
32
AMP CTL
33
MUTE CTL
Q
CUE/REVIEW CTL
AMS IN
21
N
ie
"H"=AMP ON
"L"=MUTE ON
"H"=CUE and REVIEW, "L"=other than these.
Not used.
"L"=ENDLESS MODE, BL. SKIP ON
"L" =with TAPE
H
1.5V power supply
;
"L"=CF, "H"'=TC
"L"=REC, "H"=PB
"L"=AMS, "H"=CUE, REVIEW
"H"=REC ON
w BAe
eS) =
35
36
37
38
39
VDD
40
CLAW(REV)
4l
42
REC/PB
43
AUS/CUE*REVIEW
-
44
ae
|
iil
aa ae, mH
8 3 o
a
O) OQ oJ G
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