Read Sharp TU-X1E (serv.man8) Service Manual online
TU-X1E/RU
7 – 20
4. VHITPA5050R-1Y Audio Delay
5. VHIWM8983++-1Y Audio-CODEC
Pin No.
Pin Name
I/O
Pin Function
1
LRCLK
I
Left and Right serial audio sampling rate clock (fs). 5V tolerant input.
2
DATA
I
Audio serial data input for serial input. 5V tolerant input.
3
SCL
I
I2C communication bus clock input. 5V tolerant input.
4
SDA
I/O
I2C communication bus data input. 5V tolerant input.
5-9, 14
GND
-
Ground ? All ground terminals must be tied to GND for proper operation.
10
ADD0
I
I2C address select pin - LSB
11
ADD1
I
I2C address select pin
12
ADD2
I
I2C address select pin - MSB
Control data input pin in serial mode.
Control data input pin in serial mode.
13
VDD
I
Power supply interface.
15
DATA_OUT
O
Delayed audio serial data output.
16
BCLK
I
Audio data bit clock input for serial input. 5V tolerant input.
Thermal Pad
-
Connect to ground.
Must be soldered down in all applications to properly secure device on the PCB.
Must be soldered down in all applications to properly secure device on the PCB.
Pin No.
Pin Name
I/O
Pin Function
1
LIP
I
Left MIC pre-amp positive input
2
LIN
I
Left MIC pre-amp negative input
3
L2/GPIO2
I
Left channel line input/secondary mic pre-amp positive input/GPIO2 pin
4
RIP
I
Right MIC pre-amp positive input
5
RIN
I
Right MIC pre-amp negative input
6
R2/GPIO3
I
Right channel line input/secondary mic pre-amp positive input/GPIO3 pin
7
LRC
I
DAC and ADC sample rate clock
8
BCLK
I
Digital audio bit clock
9
ADCDAT
O
ADC digital audio data output
10
DACDAT
I
DAC digital audio data input
11
MCLK
I
Master clock input
12
DGND
-
Digital ground
13
DCVDD
-
Digital core logic supply
14
DBVDD
-
Digital buffer (I/O) supply
15
CSB/GPIO1
I
3-Wire control interface chip Select / GPIO1 pin
16
SCLK
I
3-Wire control interface clock input / 2-wire control interface clock input
17
SDIN
I/O
3-Wire control interface data input / 2-Wire control interface data input
18
MODE
I
Control interface selection
19
AUXL
I
Left auxillary input
20
AUXR
I
Right auxillary input
21
OUT4
O
right line output or mono mix output
22
OUT3
O
mono or left line output
23
ROUT2
O
Headphone or line output right 2
24
AGND2
-
Analogue ground (feeds ROUT2/LOUT2 and OUT3/OUT4)
25
LOUT2
O
Headphone or line output left 2
26
AVDD2
-
Analogue supply (feeds output amplifiers ROUT2/LOUT2 and OUT3/OUT4)
27
VMID
-
Decoupling for ADC and DAC reference voltage
28
AGND1
-
Analogue ground (feeds all input amplifiers, PLL, ADC and DAC, internal
bias circuits, output amplifiers LOUT1, ROUT1)
bias circuits, output amplifiers LOUT1, ROUT1)
29
ROUT1
O
Headphone or line output right 1
30
LOUT1
O
Headphone or line output left 1
31
AVDD1
-
Analogue supply (feeds all input amplifiers, PLL, ADC and DAC, internal
bias circuits, output amplifiers LOUT1, LOUT2))
bias circuits, output amplifiers LOUT1, LOUT2))
32
MICBIAS
O
Microphone bias
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