Sharp LC-65LE643U FPTW Service Manual page 82

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