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PSS125
■ LSI DATA TABLE
• YM3427 (XF357A00) GE12
PIN
NO.
NAME
I/O
FUNCTION
PIN
NO. NAME I/O
FUNCTION
1
0
1
Master clock
9
SCK
Clock
2
SI
1
Sirial data input
10
1C
1
Initial clear
3
NC
11
NC
1
4
5
NC
NC
[
Not used
12
13
NC
NC
\
Not used
6
NC
J
14
NC
J
7
SO
0
Data out
15
AO
0
Analog output
8
Vss
Ground
16
Vcc
DC supply
• HD6305V0 * * * P (XG724B00) CPU
PIN
NO.
NAME
I/O
FUNCTION
PIN
NO.
NAME
I/O
FUNCTION
1
RES
I
Reset
21
C7
i/O
2
1 NT
1
Interrupt request
22
C6
I/O
3
NUM
Ground
23
C5
I/O
4
5
A7
)
A6
I/O
I/O
24
25
C4
C3
I/O
I/O
Port C
6
A5
I/O
26
C2
s/o
7
A4
I/O
■ Port A
27
Cl
I/O
8
A3
I/O
28
CO
I/O
9
A2
I/O
29
DO
I/O
10
A1
I/O
30
D1
I/O
11
AO
f/O
31
D2
I/O
12
BO
S/0
32
TX
O
Port D
13
B1
I/O
33
RX
1
0
14
B2
I/O
34
CK
15
B3
I/O
■ Port B
35
INT2
1
j
16
B4
I/O
36
STB Y
f
Stand-by mode signal
17
B5
I/O
37
TIMER
1
Timer control signal
18
B6
I/O
38
XTAL
Clock
19
B7
I/O
39
EXTAL
20
Vss
Ground
40
Vcc
DC supply (*5V)
■ 1C BLOCK DIAGRAM
• TC40H074P (IG055100)
Dual D-Type Flip-Flop
5
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