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4.17 UPD784215AGC205 (IC701) : CPU
• Pin layout
• Pin function
Pin No.
Symbol
1,2
NC
3
SW2
4
PSW
5
LM
6
MOTOR SEL
7,8
NC
9
VDD
10
X2
11
X1
12
VSS
13
XT2
14
XT1
15
RESET
TE
L 13942296513
16
SW1
17
BUS-INT
18
PS2
19 to 22
NC
23
AVDD
24
AVREF0
25
VOL1
26
VOL2
27
KEY0
28
KEY1
29
KEY2
30
LEVEL
31
NC
32
SM
33
AVSS
34,35
NC
36
AVREF
37
BUS-SI
38
BUS-SO
www
39
BUS-SCK
40
BUS-I/O
41
LCD-DA
42
LCD-SCK
43
LCD-CE
44 to 48
NC
1-46 (No.49832)
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75
51
1
25
I/O
O
Not use
I
CD mecha SW2
I
CD mecha position setting SW
O
Loading motor control output
O
Loading/feed motor selecting output
Loading motor; H (A amp), feed motor; L (B amp)
-
Not use
Micon power supply
-
Ground
I
System reset
I
CD mecha SW1
I
J-BUS INT
I
Power save2, H means STOP mode
I
Not use
-
A/D converter power supply
-
A/D reference voltage
I
Volume encoder pulse input 1
I
Volume encoder pulse input 2
I
Key input 0
I
Key input 1
I
Key input 2
I
Level meter input
I
Not use
I
S.METER input
-
Ground
-
Not use
-
I
J-BUS data input
O
J-BUS data output
I/O
J-BUS clock input/output
O
J-BUS I/O selection output: H, input: L
x
ao
y
O
Data output for LCD driver
.
i
O
CLK output for LCD driver
O
CE for LCD driver
-
Not use
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8
Function
Q Q
3
6 7
1 3
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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