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5
D
I2S_OUT_BCK
RW16
0
GPIO00/DCLK
I2S_OUT_WS
RW17
0
GPIO01/SYNC
I2S_SDIN
RW2
33
GPO06/SDO0
GPO07/SDO1/REF
UW1
NPCA110DA0YX
RW11
NC
I2S_DIN
RW10
33
1
GPIO03/SDI1
2
GPIO04/SDI2
3
4
+3.3V
GPIO14
GPO18/SDO2/I2CMS
5
C
6
7
8
B
Power-Up Sequence
3.3V Power
Reference Clock
(DCLK / Crystal)
Reset#
A
5
4
+3.3V
+3.3V
RW4
RW5
NC
NC
DSP_SCL
RW7
DSP_SDA
RW8
TP8
TP9
+3.3V
24
nRESET
23
GPIO02/SDI0
VDD33_3
22
GPIO03/SDI1
VDD18
21
GPIO04/SDI2
GND_PLL
20
GPIO14
VPLL18
19
GPO18/SDO2/I2CMS
XTALO
18
VDD33_1
CLKIN/XTALI
17
GND_1
GPIO20
DAC_LOUT2
33
GND_BP
GND
min 100 usec
min 5 msec
4
3
NPCA110D Audio DSP
External I2C controller for tuning:
* Unmount RW7 and RW8.
* If a weak pull-up on I2C is needed, mount RW4 and RW5.
* I2C controller connections:
- I2C SCL to TP9.
- I2C SDA to TP8.
0
I2S_SCL1
0
I2S_SDA1
+3.3V
RA83
NC
RW14
1K
RW9
NC
CLKIN/XTALI
RW18
0
CW6
4.7uF/6.3V
0603C
CW9
RA90
CW7
CW8
NC
NC
4.7uF/6.3V
0.1uF/16V
0603C
STRAPS
GPO18/SDO2/I2CMS
GPO07/SDO1/REF
I2CMS: I2C Master/Slave Strap;
HIGH (Internal PU) - I2C Slave.
LOW (External PD) - I2C Master.
REF: Clock Reference Strap;
HIGH (Internal PU) - DCLK.
LOW (External PD) - CLKIN/XTALI.
GND
3
2
I2S_DIN
I2S_OUT_BCK
I2S_OUT_WS
I2S_OUT_MCK
I2S_SDIN
I2S_SCL1
I2S_SDA1
AMP_I2S_RESET
WV_RESET
WV_RESET
AMP_I2S_RESET
+3.3V
I2S_OUT_MCK
GPIO20
CW1
0.1uF/16V
Place 0.1 uF close to pins 6, 16, 23, 29, 12.
GND
DSP_SDA
DSP_SCL
Generic I/O
GPIO20
GPO17
GPIO14
GPO07/SDO1/REF
GPIO03/SDI1
GPIO04/SDI2
2
1
DAMP I2S
I2S_OUT_SD
4
I2S_OUT_BCK 4,12
I2S_OUT_WS
4,12
I2S_OUT_MCK 4,12
I2S_SDIN
12
I2C
I2S_SCL1 4,12
I2S_SDA1 4,12
AMP CONTROL
AMP_I2S_RESET 4,12
WV_RESET
4
CW2
CW3
CW4
CW5
+
CWE1
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
100uF/16V
JA2
1
2
3
NC
TP1
TP3
TP4
TP5
TP6
TP7
1
D
C
B
A
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