41
Pin No.
Pin Name
I/O
Pin Description
66
VOLSO
O
Electric volume serial data output
67
VOLCKO
O
Electric volume serial clock output
68
RE IN1
I
Rotary encoder input
69
NCO
O
Not used in the set.
70
DATA
I/O
EEPROM data input/output
71
CLK
I/O
EEPROM clock input/output
72
GAIRQ
I
GA-NET interrupt request input
73, 74
X1A, X0A
—
Sub crystal oscillation input (32.768 kHz)
75
RE IN0
I
Rotary encoder input
76
BU IN
I
Back-up power detection input
77
ACCIN
I
Accessory power detection input
78
EJECT
I
EJECT button detection input
79
NCO
O
Not used in the set.
80
SYS ACC
O
GA-NET to system accessory output
81
NCO
O
Not used in the set.
82 – 85
KEY-IN0 – 3
I
Key input 0 – 3
86
HSTX
—
Hardware stand-by input
87 – 89
MD2 – 0
I
Action mode reserved input 2 – 0
90
RSTX
I
Reset input
91
VSS
—
GND
92, 93
X0, 1
—
Main crystal oscillation input 0, 1 (3.68 MHz)
94
VCC
—
Power supply pin (+5 V)
95
P00
O
Not used in the set.
96 – 99
KEY-OUT4 – 1
O
Key output 4 – 1
100
NCO
O
Not used in the set.
101
REEL2
I
Tape reel table reverse rotary detection input
102
NCO
O
Not used in the set.
103
AMSIN
I
Tape AMS music detection input
104
REEL1
I
Tape reel table rotation detection input
105 – 108
POS0 – 3
I
Tape position detection input 0 – 3
109
LM EJ
O
Tape loading motor control output (Eject direction)
110
LM LOD
O
Tape loading motor control output (Loading direction)
111
CM ON
O
Tape capstan motor control output
112
TAPEON
O
Tape power control output
O
FWD/REV detection output
O
Tape AMS music control pin
O
Tape DOLBY control output (Not used in the set.)
O
Electric volume attenuator control output
O
Tape attenuator control output
O
Power amplifier standby control output
—
GND
O
Power control output
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
