3.Pin function
PORT
Pin
I/O
No.
Name
1
LCDDA
O
LCD driver data output
2
LCDSCK
O
LCD driver clock output
3
LCDCE
O
LCD driver chip enable output
4
AVSS
-
Connect to ground
5
ADCOUT
O
Power on Hi output. Low in stop mode.
6
NC
O
Unused output port
7
AVREF1
-
Connect to 5V
8
NC
O
Unused output port
9
NC
O
Unused output port
10
CDCHECK
I
CD check mode input. Reset only.
11
EPROMDI
I/O
EEPROM data input
12
EOROMDO
O
EEPROM data output. Hi durring input.
13
EPROMCK
I/O
EEPROM clock input/output
14
LED
O
Lifter LED output
15
BUS I/O
O
JVC bus input/output control(Lo:input)
16
BUS SI
I
JVC bus data input
17
BUS SO
O
JVC bus data output
18
BUS SCK
I/O
JVC bus clock input/output
19
NC
O
Unused output port
20
NC
O
Unused output port
21
NC
O
Unused output port
22
NC
O
Unused output port
23
NC
O
Unused output port
24
NC
O
Unused output port
25
BUSOUT
O
JVC bus output
26
CD ON
O
CD power control Hi:on
27
PWR CONT
O
Power supply control output Hi:on
28
POSMO+
O
Position motor control output
29
POSMO-
O
Position motor control output
30
TRAYMO+
O
Tray motor control output
31
TRAYMO-
O
Tray motor control output
32
BUCK
O
CD LSI data clock
33
VSS1
-
Connect to ground
34
LSI RESET
O
CD LSI reset
35
CCE
O
CD LSI chip enable
36
BUS0
I/O
CD LSI data 0(open drain)
37
BUS1
I/O
CD LSI data 1 (open drain)
38
BUS2
I/O
CD LSI data 2 (open drain)
BUS3
39
I/O
CD LSI data 3 (open drain)
40
NC
O
Unused output port
Pin
Function
Active
No.
41
42
43
44
H
45
46
47
48
49
50
51
52
53
H
54
55
56
57
58
59
60
61
62
63
H
64
H
65
H
66
67
68
69
70
71
72
L
73
74
75
76
77
78
79
80
PORT
I/O
Name
NC
O
Unused output port
NC
O
Unused output port
NC
O
Unused output port
MAG IN
-
Magazine switch Lo:magazine inserted
TRAY IN
O
Tray retract switch Lo:retraction complete
TRAY OUT
O
Tray extend switch Lo:extension complete
REST
I
Resr switch
NC
O
Unused output port
EMPH
O
Emphasis select output Hi:on
NC
O
Unused output port
BUFF CONT
O
Buffer control output
TEST RUN
I
Test running input
NC
O
Unused output port
NC
O
Unused output port
NC
O
Unused output port
MUTE
O
Mute output. When reverse of earlier audio
mute. Mute power OR output
STAGE
I
LCD,AD key,remote inhibit selector Low:inhidit
NC
O
Unused output port
EPROM CLF
I
EEPROM clear input Functional only dunng reset
RESET
I
Reset input (includes flash write in function)
REMOCON
I
Remote controller signal input
PWR DET
I
Memory power detect input
PWR SW
I
CRTL+B detect input
BUS INT
I
JVC bus com start interrupt input
EJECT
I
Eject key input
NC
I
Unused output port
VSS0
-
Connect to ground
VDD1
-
Connect to 5V
X2
O
Oscillater (4.19430 MHz)
X1
I
Oscillater (4.19430 MHz)
IC
-
Connect to ground
XT2
O
Open
XT1
I
Connect to VDD
VDD
-
Connect to 5V
AVREF0
-
Connect to ADCONT
L SENSOR
I
Linear sensor input(8 bit A/D input)
KEY1
I
Key input 1 (8 bit A/D input)
KEY2
I
Key input 2 (8 bit A/D input)
KEY3
I
Key input 3 (8 bit A/D input)
KEY0
I
Key input 0 (8 bit A.D input)
CH-X400/CH-X450
UPD780058GC-067
Function
Active
L
L
L
L
H
L
L
H
L
L
L
L
1-31