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1
- Pin Functions (SM5903BFP)
Pin No.
Pin Name
1
VDD2
A
2-6
UC1-UC5
7
NC
8
NTEST
9
CLK
10
VSS
11
YSRDATA
12
YLRCK
13
YSCK
14
ZSCK
15
ZLRCK
16
ZSRDATA
17
YFLAG
B
18
YFCLK
19
YBLKCK
20
NRESET
21
ZSENSE
22
VDD1
23
YDMUTE
24
YMLD
25
YMDATA
26
YMCLK
27
A10
28
NCAS
29,30
D2,D3
C
31,32
D0,D1
33
NWE
34
NRAS
35-40
A9-A4
41-44
A0-A3
SM5903BFP
33
34
D
44
1
E
F
74
1
2
I/O
Function and Operation
Power supply terminal
I/O
Micro computer interface : Extension input / output
Not used
I
Test input
I
Clock input (16.9344MHz)
Ground terminal
I
Audio : Serial data input
I
Audio : Serial LR clock input
I
Audio : Serial bit clock input
O
Audio : Serial bit clock output
O
Audio : Serial LR clock output
O
Audio : Serial data output
I
RAM over flow flag input from signal processing IC
I
Frame clock input
I
Sub code block clock input
I
System reset input
O
Micro computer interface : Status output
Power supply terminal
I
Mute input
I
Micro computer interface : Latch clock input
I
Micro computer interface : Serial data input
I
Micro computer interface : Shift clock input
O
D-RAM : Address output
D-RAM : cas control output
O
I/O
D-RAM : Data input / output
I/O
D-RAM : Data input / output
D-RAM : we control output
O
D-RAM : ras control output
O
O
D-RAM : Address output
O
D-RAM : Address output
23
22
12
11
DEH-MG2047ZF/XU/UC
2
3
3
4
4
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