AN2031 Datasheet, PDF (6/12 Pages) STMicroelectronics – EVALUATION BOARD DESCRIPTION

AN2031 APPLICATION NOTE
Figure 6. Connection Section
3V3
RESET
R2 0 33
C1 7
1n
R5
10K
SW1
BUTTON
SCL
EAPD
PWDN
TH_W
3V3
SDA
1
2
JP7
5V
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
J3
1
2
3
4
5
Test Pointer
Test Pointer
Test Pointer
6
7
8
Test Pointer
9
10
11
12
13
14
Test Pointer
Test Pointer
Test Pointer
Test Pointer
Test Pointer
15
16
Test Pointer
17
18
19
20
CON20
Figure 7. S/P DIF Section
5V
L7
FE RRITE
C1 8 100n
J4
GP1F 31R
+VS
1
2
GND ₃
DAT A
J5
RCA JACK
JP 5
SPD T/SM
1
2
3
OPT
-
ELEC
R9
82
3V3
C1 9 100n
C2 1 100n
C2 4
100n
LRCKI SPDIF
BICKI SPDIF
U4
1C
2 _Cd/F1
3 _Cc/F0
4 _Cb/E2
5
Ca/ E1
6 _C0/E0
7
VD+
8
DGN D
9 _RXP
10 _RXN
11 _{FS YNC}
12 _SCK
13
CS1 2/FCK
14 _U
VERF ²⁸
Ce/F2 ²⁷
SDA TA ²⁶
ERF ²⁵
24
M1
M0 ²³
22
VA+
21
AGN D
FILT ²⁰
MCK ¹⁹
M2 ¹⁸
M3 ¹⁷
16
SEL
CBL ¹⁵
STA12 0
R1 1 0
3V3
R1 2
NON S aldare
DATA SPDIF
Non S aldare
D2
R6
560
3V3
C2 0
100n
XTI SP DIF
3A3
330
R7
C2 2
15n
C2 3
470n
3V3
R8 0
R1 0
NON saldare
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