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KDC-D301
Pin No. Pin Name
51-59 NC
60
RESET
61
REQH
62
COMM SW
63
SW2
64
SW1
65
FLIP SW
66
CHCON
67
VSS0
68
VDD1
69
X2
70
X1
71
IC(VPP)
72
XT2
73
XT1
74
VDD0
75
AVREF0
76
BPF IN
77
ILLUMI ON
78
NC
79
SW3
80
B UP
6
MICROCOMPUTER'S DESCRIPTION
I/O Description
O
I
Reset input
I
Communication request from H/U
I
5-line communication previous/new switch input
I
12cm disc detection terminal(8cm/12cm)
I
Loading detection (Loading start)
I
Panel tilting detection input
I
Changer control input from H/U
-
Ground connection terminal
-
Positive power supply connection terminal
-
Main clock resonator connection terminal
I
Main clock resonator connection terminal
-
-
Sub clock resonator connection terminal
I
Sub clock resonator connection terminal
-
Positive power supply connection terminal
I
A/D converter reference voltage input terminal
I
Level detection input from BPF IC out
O
ILL+B AVR control output
O
I
Down & limit switch detection input
I
Momentary power down detection input
Processing Operation
Not used(N.C.)
"Lo": System reset
"Lo": Communication request
"Lo": New type, "Hi": Previous type
When 12cm disc is detected, the input becomes
"Lo" temporarily. (Watched in SW1 "Lo")
"Lo": Loading start
"Hi": Panel tilted or detached, "Lo": Panel closed
"Hi": Standby mode, "Lo": Operation mode
Connected to ground lines.
Connected to BU 5V lines.
Not used(connected to ground lines)
Not used(N.C.)
Not used(connected to BU 5V lines)
Connected to BU 5V lines.
Connected to REF CON terminal
"Hi": AVR ON, "Lo": AVR OFF
Not used(N.C.)
"Hi": Chucking, "Lo": Pickup most inner position
"Hi" : When momentary power down detected or
BU OFF
"Lo" : BU ON
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