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IC BLOCK DIAGRAM & DESCRIPTION
IC701 SPCA752A-03A(MPEG AUDIO DECODER)
OSCOUT
PLL
OSCIN
Clock Synthesizer
SPLCLK
AIP
AIN
ADC
ATO
VM
CD_LRCK
CD_BCK
CDDSP
CD_C2P0
CD_DATA
WIRING CONNECTION
TE
L 13942296513
www
.
http://www.xiaoyu163.com
SRAM
ROM
Host Interface
MPEG Audio Decoder
Voice Encoder/Decoder
External Memory Controller
MODE
PROG
ESP
TRACK
DISPLAY
DIR
ENTER
x
ao
y
i
http://www.xiaoyu163.com
8
TADCEB
TADSEL1
TADSEL0
TADD[7:0]
RESETB
AUD_LRCK
AUD_BCK
PCM
Buffer
AUD_DATA
AUD_XCK
Q Q
3
6 7
1 3
SKIP+
SKIP-
PLAY
STOP
J101
DC 4.5V
BATT-
S601
CN601
(16P)
BATT+
OFF
u163
ON
S602
.
HOLD
- 7 -
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
J501
LINE OUT
J502
PHONES
VR501
VOLUME
m
S501
DBBS
co
9 9
2 8
9 9
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