23
DSP-A5
IC3 : YSD917 (DIR5)
Digital Format Interface Receiver
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AVDD
PCO
AVSS
M/S
DDIN
TEST
/IC
VSS
XO
XI
MCK
VDD
SDO
SDBCK
SCK
SI
SO
/CS
VDD
INT
/LOCK
ERR
DBL
FS128
SYNC
VSS
SDMCK
SDWCK
DIGITAL AUDIO INTERFACE
DECODER &
LOCK ERROR JUDGMENT
PLL
STANDARD
CLOCK
GENERATION
CLOCK
SYSTEM
SELECTION
OUTPUT
CLOCK
GENERATION
OUTPUT
SELECTION
MICROPROCESSOR
INTERFACE
EACH CONTROL
SIGNAL
DATA BUS
CHANNEL
STATUS
USER DATA
FRAME
BUFFER
SERIAL
CONVERSION
INTERRUPT
FACTOR
DETECTION
5
7
26
22 2 10 9 11 4
28 23
13
18
19
20
21
14
15
16
2725
DDIN
/IC
SO
/CS
SI
SCK
INT
SDO
ERR
DBL
FS128
SYNC
SDBCK
SDWCK
SDMCK
/LOCK
PCO
XI
XO
MCK
M/S
TOP VIEW
Pin Pin
I/O Function
No. Name
1 AVDD Power supply
2 PCO I/O PLL phase comparison output
3 AVSS Ground
4 M/S I Unconnected
5 DDIN I Digital audio data input
6 TEST Unconnected
7 /IC I Initial clear input from microcomputer
8 VSS Ground
9 XO O Crystal oscillator connection (24.576MHz)
10 XI I Crystal oscillator connection (24.576MHz)
11 MCK O Master clock output for AC3D2av
12 VDD Power supply
13 SDO O Serial audio data output for AC3D2av
14 SDBCK I/O 64fs bit clock output for microcomputer,
CODEC, DAC
15 SDWCK I/O 1fs word clock output for microcomputer,
CODEC, DAC
16 SDMCK O 256fs bit clock output for microcomputer,
CODEC, DAC
Pin Pin
I/O Function
No. Name
17 VSS Ground
18 SYNC O Unconnected
19 FS128 O Unconnected
20 DBL O Double speed sampling mode selection data
output for microcomputer, CODEC, DAC
21 ERR O Unconnected
22 /LOCK O Unconnected
23 INT O Interrupt factor detect output for
microcomputer
24 VDD Power supply
25 /CS I Chip select input from microcomputer
26 SO O Serial data output for microcomputer
27 SI I Serial data input for microcomputer
28 SCK I Serial clock input from microcomputer
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L
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4
2
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6
5
1
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4
2
9
8
0
5
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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