National Semiconductor TAS2557, Руководство пользователя

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GND
+5.0V
SCL-USB
SDA-USB
GND
GND
GND
IOVDD
10.0k
R38
0 R33
0 R32
0 R31
0 R30
MCLK
SCLK
LRCLK
SDIN
GND
MCLK
SDIN
SCLK
LRCLK
MCLK-USB
I2S-USB
SDOUT-USB
BCLK-USB
LRCLK-USB
MCLK-USB
SDOUT-USB
BCLK-USB
LRCLK-USB
WCLK-from-LB2
SDOUT3-from-LB2
BCLK-from-LB2
SDIN-USB
SDIN-USB
47k
R36
2.2k
R35
GND
47k
R34
2.2k
R37
GND GND
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15
17
19
21
23
25
27
29
31 16
18
20
22
24
26
28
30
32
33 34
J28
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
GND
+3.3V
GND
1A
1
GND
2
2A
3
2Y
4
VCC
5
1Y
6
U10
SN74LVC2G34DRLR
GND
+3.3V
A
1
B
2
Y
3
GND
4
Y
5
A/B
6
G
7
VCC
8
U9
SN74LVC2G157DCTR
RESET
1
P0
2
P1
3
P2
4
P3
5
GND
6
P4
7
P5
8
P6
9
P7
10
INT
11
SCL
12
SDA
13
VCCP
14
VCCI
15
ADDR
16
U8
TCA6408ARSVR
GND GND
I2C
EXPANDER
DECOUPLING
0.1µF
C50
+3.3V
GND
0.1µF
C53
+3.3V
GND
0.1µF
C54
GND
0.1µF
C51
+3.3V
GND
0.1µF
C52
GND
IOVDD
DIR1
15
DIR2
16
A1
1
A2
2
A3
3
A4
4
DIR3
5
DIR4
6
OE
7
GND
8
B4
9
B3
10
B2
11
B1
12
VCCB
13
VCCA
14
U6
SN74AVC4T774RSVR
10.0k
R39
I2S/MIX-MUX
WCLK-DUT
BCLK-DUT
MCLK-DUT
DOUT-MIXMUX
DIN-DUT
I2C-USB
USB_I2CEN
USB_I2CEN
DIR1
15
DIR2
16
A1
1
A2
2
A3
3
A4
4
DIR3
5
DIR4
6
OE
7
GND
8
B4
9
B3
10
B2
11
B1
12
VCCB
13
VCCA
14
U11
SN74AVC4T774RSVR
GND GND
DIN1
BCLK1
WCLK1
IOVDD +3.3V
LRCLK-to-LB2
BCLK-to-LB2
LRCLK-to-LB2
BCLK-to-LB2
WCLK-from-LB2
BCLK-from-LB2
MCLK-from-LB2
SDOUT3-from-LB2
IOVDD
J26
P1
J27
P0
S1
2
1B1
6
1B2
5
1A
7
2B4
13
2B3
12
1B4
3
1B3
4
2B1
10
2B2
11
2A
9
GND
8
VCC
16
1OE
1
2OE
15
S0
14
EP
17
U5
SN74CB3Q3253RGYR
S1
2
1B1
6
1B2
5
1A
7
2B4
13
2B3
12
1B4
3
1B3
4
2B1
10
2B2
11
2A
9
GND
8
VCC
16
1OE
1
2OE
15
S0
14
EP
17
U7
SN74CB3Q3253RGYR
10.0k
R43
GND
0.1µF
C55
GND
IOVDD
1
2
3
4
5
U14 SN74LVC1G125DCKR
+3.3V
GND
49.9 R45 SDOUT3-from-LB2
10.0k
R44
+3.3V
MCLKIN-LB2
SDIN0-LB2
BCLKIN-LB2
LRCLKIN-LB2
LRCLK-to-LB2
BCLK-to-LB2
+3.3V
SCL-USB
SDA-USB
I2S
LEARNING
BOARD 2
MCLKIN-LB2
SDIN0-LB2
BCLKIN-LB2
LRCLKIN-LB2
MCLK-from-LB2
SDOUT1-from-LB2
SDIN2-to-LB2 SDOUT1-from-LB2
SDIN2-to-LB2
SDOUT1-from-LB2
49.9 R1
LRCLK-MM
Hardware Documentation
www.ti.com
12 SLOU461 – November 2016
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TAS2557 Evaluation Module
Figure 8. TAS2557EVM Input Muxes and Translators