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1999 May 10 46
Philips Semiconductors Preliminary specification
Universal Serial Bus (USB) CODEC UDA1325
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16
GP0/BCKI
15
GP5/WSI
14
GP1/DI
8
D−
9
D+
13
V
DDE
12
V
SSE
10
V
DDI
11
2930
V
SSI
UDA1325PS
+V
D
100 nF
(63 V)
100 nF
(63 V)
C27
C26
R25
1 Ω
L3
BLM32A07
+V
C
+V
D
+V
C
+V
A
100 nF
(63 V)
100 nF
(63 V)
C24
C25
R17
1 Ω
L2
BLM32A07
BLM32A07
12 pF (63 V)
C37
12 pF (63 V)
C38
+V
A
100 nF
(63 V)
47 µF
(16 V)
C34
C38
R35
1 Ω
+V
C
20
XTAL1b
21
XTAL2b
R48
1.5 kΩ
36
VINR
R7
22 Ω
R16
22 Ω
3
BCK
2
WS
1
DA
X4
digital
input
playback
digital
input
recording
BCKI
WSI
DI
BCK
WS
DA
C18
22 pF
(63 V)
C17
22 pF
(63 V)
C16
10 nF
(50 V)
1
L1
8
2
7
3
6
45
V
DDA1
V
SSA1
3335
+V
A
100 nF
(63 V)
47 µF
(16 V)
C32
C21
R27
1 Ω
V
DDA2
V
SSA2
1
40
XTAL2a
41
XTAL1a
10 nF (63 V)
C44
L5
1.5 µH
V
USB
C47
100 µF
(16 V)
C46
100 µF
(16 V)
C45
100 µF
(16 V)
C6
18 pF
(50 V)
C5
18 pF
(50 V)
10 nF
(50 V)
C15
X1 48 MHz
ADC XTAL
L8
BLM32A07
L7
BLM32A07
L6
V
D(ext)
V
A(ext)
GND
4
3
2
1
C8
47 µF (16 V)
34
VINL
C22
47 µF (16 V)
analog
input
recording
MGS271
18
SDA
17
SCL
1
A0
2
A1
3
A2
4
V
SS
8
V
DD
7
PTC
6
SCL
5
SDA
6
GP4/BCKO
5
GP3/WSO
4
22
GP2/DO
27
RTCB
26
TC
7
SHTCB
V
DDX
19
V
SSX
23
V
DDO
24
V
SSO
D4
PCF85116-3
+V
C
100 nF
(63 V)
100 nF
(63 V)
C18
C28
R26
1 Ω
L13
BLM32A07
+V
A
100 nF
(63 V)
47 µF
(16 V)
C39
C33
R43
1 Ω
31
V
ref(DA)
25
VOUTL
R38
10 kΩ
R39
10 kΩ
BCKO
WSO
DO
1
2
(I
2
C-bus)
C35
R20
1 Ω
47 µF (16 V)
C48
47 µF (16 V)
28
VOUTR
C41
47 µF
(16 V)
C29
100 nF
(63 V)
C36
100 nF
(63 V)
32
V
ref(AD)
C31
47 µF
(16 V)
C28
100 nF
(63 V)
+V
D
+V
D
3942
+V
A
100 nF
(63 V)
47 µF
(16 V)
C7
C19
R10
1 Ω
V
DDA3
V
SSA3
3837
+V
A
100 nF
(63 V)
C11
R8
1 Ω
VRPVRN
digital
output
playback
analog
output
playback
Fig.10 Application diagram UDA1325PS.