Altec ISDN Socket Modem AL5068S-3V - Manual (Page 25)

AL5068S Designer’s Guide
No. AL5068S-E00-105 Altec Electronic AG Seite 25 / 25
7. Appendix A
7.1 Schematic of external codecs
R6
10K
B1/B2
C4
1UF
R9
10K
C1
0.01UF
C11
1UF
U1
MC145481DW
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
REF
RO-
PI
PO-
PO+
VDD
FSR
DR
BCLKR
PDI
VAG
TI+
TI-
TG
MU/A
VSS
FST
DT
BCLKT
MCLK
(Motorola)
DD
C12
1UF
C8
0.01UF
PO1+
PO1-
DD
R15
10K
R4 20K
R3 20K
C9
NA
U2
MC145481DW
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
REF
RO-
PI
PO-
PO+
VDD
FSR
DR
BCLKR
PDI
VAG
TI+
TI-
TG
MU/A
VSS
FST
DT
BCLKT
MCLK
SOCKET MODEM
19
20
21
22
R10
10K
R11
10K
PO2+
B
R14
10K
VCC3V
R12 20K
R1
10K
DCL
C13
NA
VCC3V
B1/B2
A
C3
0.1UF
C6
NA
PO2-
FSC
PO2-
C14
0.1UF
R2
10K
DU
ANALOG CH. B
1
2
3
4
5
6
R7
10K
C5
1UF
FSC
R16
10K
C7
0.1UF
C2
NA
ANALOG CH. A
1
2
3
4
5
6
R5
10K
DU
C10
0.1UF
(Motorola)
R13 20K
SOCKET MODEM
42
43
44
45
46
47
PO2+
DCL
PO1-
R18
10K
PO1+