Texas Instruments TAS2770, Руководство пользователя

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GND
SBCLK-EXTIN
FSYNC-EXTIN
SDIN-EXTIN
SDOUT
SCL-EXTIN
SDA-EXTIN
SDZ-EXTIN
IRQZ
INPUT HEADER
0.1µF
16V
C8
GND
3.3V
0.1µF
16V
C9
GND
3.3V
0.1µF
16V
C10
GND
3.3V
(EXT)
GND
2
1
4
5
3
U16
SN74LV1T126DCKR
GND
Blue
D2
IRQ
470
R42
3.3V
IRQZ LED
SDIN-EXTOUT
SDOUT
SBCLK-EXTOUT
FSYNC-EXTOUT
SDA-EXTOUT
SDZ
IRQZ
>
<
SDZ
IRQZ
SCL-EXTOUT
<
>
0.1µF
16V
C11
GND
3.3V
1.8V
47.0k
R34
GND
2.20k
R36
1.8V
IRQZ Pullup
SDZ Control
J3
SDZ
10.0k
R37
IRQZ
SDZ
>
>
>
<
CONTROL
SDZ-EXTIN
SCL-EXTIN
I2C
SDA-EXTIN
I2S
SBCLK-EXTIN
FSYNC-EXTIN
SDIN-EXTIN
OUTPUT HEADER
<
>
>
>
SCL
I2C
SDA
SBCLK
FSYNC
SDOUT
I2S
TO MUXES
FROM DUT OR
GND
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
U3
SN74AVC4T774RSVR
1.8V
GND
SCL
SDA
3.3V
GND
SDA_B
1
GND
2
VCCA
3
SDA_A
4
SCL_A
5
OE
6
VCCB
7
SCL_B
8
U4
TCA9406DCUR
10.0k
R4
SDA-EXTOUT
SCL-EXTOUT
SDIN-EXTOUT
SBCLK-EXTOUT
FSYNC-EXTOUT
>
>
>
>
SDIN
SDZ
CONTROL
>
>
>
>
IRQZ
LEVEL SHIFTERS
>
VCCA
1
A1
2
A2
3
GND
5
B2
6
B1
7
OE
4
VCCB
8
U6
SN74AVC2T244DQMR
GND
1.8V 3.3V
X-DIN
IRQZ-3.3V
SDOUT
IRQZ
TO XMOS
>
GND
1 2 3
J1
Vcc SELECT
Vcc 1.8V 3.3V
Vcc
1.8V
3.3V
0.1µF
16V
C6
GND
Vcc
GND
0.1µF
16V
C38
1.8V
J14
X-DOUT
X-DIN
GND
J4
IRQZ
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
J7
INPUT
1
3
5
6
4
2
7
9
10
8
12 11
14 13
16 15
J5
OUTPUT
Copyright © 2017, Texas Instruments Incorporated
Hardware Documentation
www.ti.com
12 SLOU495 – December 2017
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Copyright © 2017, Texas Instruments Incorporated
TAS2770 Evaluation Module
ECCN: 3E991
Figure 9. Schematic: External Input and Output Routing