Texas Instruments TAS2555, User Manual, Page: 12 / 27

+3.3V
10.0k
R17
10.0k
R18
27.4
R27
27.4
R26
1.50k
R25
47pF
C46
47pF
C45
3
1
2
Q1
15.0k
R20
Blue D1
USB LOCK
360
R28
3.09k R23
100pF
C47
1000pF C48
GND GND
GND
GND
+3.3V
GND
GND
SCL-USB
SDA-USB
+3.3V
+3.3V
+3.3V
+3.3V +3.3V
100k
R29
GND
2 1
S2
+3.3V
USB RESET
MRESET
+3.3V
+5V-USB
PUR
DP
DM
0.1µF
16V
C35
0.1µF
16V
C36
0.1µF
16V
C37
0.1µF
16V
C38
0.1µF
16V
C39
0.1µF
16V
C49
0.1µF
16V
C43
SDIN-USB
GND
MRESET
FB1
FB2
GND
GND
4.99k
R16
GND
+3.3V
TP12
SCL
TP13
SDA
SCL
SDA
I2C
2.00k
R9
DNP
DNP 2.00k
R10
DNP
DNP
SCL-USB
SDA-USB
DECOUPLING
0.1µF
16V
C33
0.1µF
16V
C34
0.1µF
16V
C40
0.1µF
16V
C41
0.1µF
16V
C42
IOVDD
0.1µF
16V
C44
GND
IOVDD
MCLK-USB
I2S-USB
PLLFILO
1
AVDD
2
MCLKI
3
DVSS
4
PUR
5
DP
6
DM
7
DVDD
8
MRESET
9
TEST
10
EXTEN
11
RSTO
12
P3-0
13
P3-1
14
P3-2/XINT
15
DVSS
16
P3-3
17
P3-4
18
P3-5
19
NC
20
DVDD
21
NC
22
P1-0
23
P1-1
24
P1-2
25
P1-3
26
P1-4
27
DVSS
28
P1-5
29
P1-6
30
P1-7
31
CSCHNE
32
DVDD
33
CSYNC
35
CDATI
36
CSCLK
37
CDATO
38
MCLKO1
39
MCLKO2
40
RESET
41
VREN
42
SDA
43
SCL
44
AVSS
45
XTALO
46
XTALI
47
PLLFILI
48
CRESET
34
U4
TAS1020BPFB
49.9 R19
49.9 R21
49.9 R22
49.9 R24
SDIN-USB
CSYNC
CSCLK
CDATO
MCLK01
10.0k
R15
1
2
J24
WP
NC
1
NC
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U2
24LC256-I/MS
VBUS
1
D-
2
D+
3
ID
4
GND
5
6
7
8
9
J23
USB-IN
6MHz
VCC
4
E/D
1
GND
2
OUT
3
Y1
SDA_B
1
GND
2
VCCA
3
SDA_A
4
SCL_A
5
OE
6
VCCB
7
SCL_B
8
U3
TCA9406DCUR
GND
USB_I2CEN
FROM LB2 CONN
+3.3V
USB_I2CEN IOVDD
IOVDD IOVDD
SCL-USB
SDA-USB
I2C-USB
0
R41
MCLK-USB
1A
1
GND
2
2A
3
2Y
4
VCC
5
1Y
6
U15
SN74LVC2G34DRLR
GND
+3.3V
1A
1
GND
2
2A
3
2Y
4
VCC
5
1Y
6
U16
SN74LVC2G34DRLR
1A
1
GND
2
2A
3
2Y
4
VCC
5
1Y
6
U17
SN74LVC2G34DRLR
1A
1
GND
2
2A
3
2Y
4
VCC
5
1Y
6
U18
SN74LVC2G34DRLR
MCLKIN-LB2
BCLKIN-LB2
LRCLKIN-LB2
SDIN0-LB2
I2S
LEARNING BOARD2
LRCLK-USB
BCLK-USB
SDOUT-USB
SDOUT-USB
BCLK-USB
LRCLK-USB
0.1µF
16V
C59
0.1µF
16V
C56
0.1µF
16V
C57
0.1µF
16V
C58
MCLKIN-LB2
SDIN0-LB2
BCLKIN-LB2
LRCLKIN-LB2
0.1µF
16V
C60
Schematics, PCB Layout, and Bill of Materials
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8 Schematics, PCB Layout, and Bill of Materials
8.1 TAS2555EVM Schematics
Figure 7 through Figure 10 show the schematics for the TAS2555EVM.
Figure 7. TAS2555EVM USB Block
12 TAS2555 Evaluation Module SLOU411 – August 2015
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