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2.4. DSC BLOCK DIAGRAM
IC2001
IC306
IC3451
IC3453
IC3452
IC3454
IC3455
IC4501
CMD
DATA
CLK
D3
MAIN
u COM
C IN
Y IN
IC3501
VIDEO
FROM
CONNECTOR
CARD
(CONTROL)
(DT4)
(SD RAM)
MAIN AUDIO PATH IN PLAYBACK MODE
MAIN SIGNAL PATH IN PLAYBACK MODE
MAIN SIGNAL PATH IN REC MODE
(SD I/F)
AK DATA
12
(AUDIO I/F)
LRCK
BCK
MCK
8
10
9
BUFF
(A DSP)
45
46
51
PCM OUT
I/F
PCM
I/F
DECODER
DATA
AUDIO
AAC
71
102
103
77
CLK 149
I/F
RE
DK
CS
WE
CLK
FO
NRQ
ERR
VAL
DK
CS
WE
CLK
FO
NRQ
ERR
VAL
CLK
STR DATA
23
25
102
70
ADDRESS
26
24
11
4
14
2
97
24
96
106
95
22
94
26
29
10
34
17
36
14
38
105
39
21
I/F
CARD
CODING
MMC CS
96
CONTROLLER
73
74
75
93
86
71
50
30
32
36
37
34
32
VDD
MMC IN L
PROTECT
QR2005
REG
14
15
18
9
11
16
14
13
10
FP3401
FP3401
FP3401
FP3401
FP3401
FP3401
FP3401
FP3401
12
10
9
2
7
5
4
1
11
6
3
13
IC3001
VIDEO
TO
MMC PROTECT
MMC IN L
MMC IN L
(4M FLASH)
DATA
ADDRESS
OE
CE
WE
70
26
11
CONTROL
WRITE
ERASURE
LATCH
DATA
DATA
I/O
MATRIX
4M
DECODER
I/F
uCOM
45
29
48
8
1
17
25
70
71
93
MAIN
CAMERA
(MEGA)
40
41
38
40
41
38
39
39
PS3004
PS3004
PS3004
PS3004
P301
PP301
PP301
PP301
MEGA BUSY
MEGA BEND
MEGA PIX
MEGA DSTB
25
50
51
48
69
54
92
76
COMPRESOR
J PEG
RAM
SD
155
154
153
152
WE
CAS
RAS
CS
CLK54M
29
32
30
28
23
19
20
40
DECODER
COMMAND
17
21
BUFF
ADDRESS
32
38
ADDRESS
29
23
21
8
BUFF
DATA
I/O
59
48
DATA
13
2
34
53
63
171
IC3452
TO
IC3454
TO
111
112
114
115
231
230
DT4 CS
DSC CLK
DSC DATA
DSC DATA
DT4 BUSY
WAKE UP
WAKE UP
I/F
uCOM
135
107
106
105
104
102
173
164
163
156
SELECT
191
184
184
176
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