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KDC-9026R/PSW9527
KDC-W9027/X979
11
Pin No.
Pin Name
I/O
Description / Processing Operation
109,110
NC
-
NC
111
SA RST
O
Reset for spectrum analyzer (H : Reset, L : Normal)
112
3.3V VDD
-
AVR 3.3V
113
EVSS
-
GND
114~117
NC
-
NC
118~123
A21~A16
O
Address bus
124
2.5V VDD
-
AVR 2.5V
125
VSS
-
GND
126~133
A15~A8
O
Address bus
134
3.3V VDD
-
AVR 3.3V
135
EVSS
-
GND
136~143
A7~A0
O
Address bus
144
D15
I/O
External ROM data input/output terminal
●
CD MECHANISM CONTROL MICROPROCESSOR : UPD63761GJ (X32-552 : IC7)
Pin No.
Pin Name
I/O
Description / Processing Operation
1
AVREF0
-
Reference voltage to A/D converter
2
AVSS
-
GND (For AD converter)
3
SLD1
O
Stepping motor control terminal 1
4
SLD2
O
Stepping motor control terminal 2
5
AVREF1
I
Reference voltage to D/A converter
6
D-MUTE
O
MUTE driver (L : MUTE ON)
7
BMS
O
BMS MODE (L : R-BRAKE)
8
IC/FLMD0
-
FLASH memory writing voltage output
AVR (3.3V)
Connect to 1u capacitor
GND
System clock
Reset input terminal (L : RESET)
NC
Interrupt for Standby mode (L : STOP)
Interrupt for servo IC
20
FOGUP
I
Interrupt for focus gain up (L : NORMAL)
21
FOK
I
Focus condition detect (L : Focus OK)
22
E2P_SDA
I/O
E2P I2C data for ROM correction
23
E2P_CLK
O
E2P I2C clock for ROM correction
24~26
NC
-
NC
27
TZC
I
Tracking Zero cross input terminal
28
LIM_SW
I
Pickup inside detector (L : Inside)
MICROCOMPUTER’S TERMINAL DESCRIPTION
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