1-50 (No.49793)
4.17 TC94A20F-011 (IC1652) : DAC/SRAM built in type D-ROM MP3 decoder
• Pin layout
• Block diagram
48
33
32
17
49
64
1
16
32
31
30
29
28
27
26
25
33
34
35
36
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
42
41
40
39
38
37
DIT
DAC
DAC
Bus
Switch
Address calc.
2sets
General output
port
C-Pointer
register
Y-Pointer
register
X-Pointer
register
ERAM
2k word
CROM
4k word
*7
Y-RAM
4k word
X-RAM
4k word
Flag
register
X0 X1 X2
Y0 Y1 Y2
MX
AX
AY
MY
MZ
ALU
A2
A1
A0
A3
round & limit
round & limit
Audio I/F
Microcom. I/F
MAC
Program
control
Instruction
decoder
PROM
4k*3
=12k word
PRAM
256word
1Mbit
SRAM
SRAM I/F
DRAM I/F
General
inputbport
SubCode
I/F
VCO
Timing
generator
www. xiaoyu163. com
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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
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Q
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TEL 13942296513 QQ 376315150 892498299