Read Sony GTK-N1BT Service Manual online
GTK-N1BT
49
MAIN BOARD IC302 TAS3108DCPR (AUDIO DSP)
Pin No.
Pin Name
I/O
Description
1
AVSS
-
Ground terminal (analog system)
2
VR_PLL
-
External capacitor connection terminal for internal regulator
3
XTALI
I
System clock input terminal (12.288 MHz)
4
XTALO
O
System clock output terminal (12.288 MHz)
5
MCLKI
I
Master clock signal input terminal Not used
6
MCRCK_DV
I
Internal microprocessor clock divide control signal input terminal Not used
7
CS0
I
Chip select signal input terminal Not used
8
GPIO
O
Interrupt signal output to the system controller
9
DVDD
-
Power supply terminal (+3.3V) (digital system)
10
DVSS
-
Ground terminal (digital system)
11
SDIN1
I
Audio data input from the sample rate converter
12
SDIN2
I
Audio data input from the A/D converter
13
SDIN2
I
Serial data input terminal Not used
14
SDIN4
I
Muting on/off control signal input from the system controller “H”: muting on
15
SDA1
I
I2C data input from the system controller
16
SCL1
I
I2C clock signal input from the system controller
17
SDA2
I/O
I2C data bus terminal Not used
18
SCL2
I/O
I2C clock signal bus terminal Not used
19
LRCK
I
L/R sampling clock signal input from the sample rate converter
20
SCLKIN
I
Bit clock signal input terminal Not used
21
MCLKO
O
Master clock signal output to the sample rate converter, A/D converter, stream processor and
digital power amplifi er (for L-ch/R-ch)
digital power amplifi er (for L-ch/R-ch)
22
SCLKOUT1
I
Bit clock signal input from the sample rate converter
23
SCLKOUT2
O
Bit clock signal output to the stream processor and digital power amplifi er (for L-ch/R-ch)
24, 25
SDOUT4, SDOUT3
O
Serial data output terminal Not used
26
SDOUT2
O
Audio data output to the stream processor
27
SDOUT1
O
Audio data output to the digital power amplifi er (for L-ch/R-ch)
28
VR_DIG
-
External capacitor connection terminal for internal regulator
29
DVSS
-
Ground terminal (digital system)
30
DVDD
-
Power supply terminal (+3.3V) (digital system)
31
PDN
I
Power down signal input terminal “L”: power down Fixed at “H” in this unit
32
RESET
I
Reset signal input from the system controller “L”: reset
33
RSRV
-
Connected to the ground
34 to 36
PLL0 to PLL2
I
PLL control signal input terminal Not used
37
RSRV
-
Connected to the ground
38
AVDD
-
Power supply terminal (+3.3V) (analog system)
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