DSX-A50BT
29
MAIN BOARD IC201 LC786800E-00US-H
(USB CONTROLLER, INPUT SELECTOR, AUDIO DSP, ELECTRICAL VOLUME)
Pin No.
Pin Name
I/O
Description
1
LFOUT
O
Audio signal (front L-ch) output terminal
2
LROUT
O
Audio signal (rear L-ch) output terminal
3
LVRIN
I
Audio signal (L-ch) input terminal
4
DACOUT_L
O
Audio signal (L-ch) output terminal
5
DACOUT_R
O
Audio signal (R-ch) output terminal
6
RVRIN
I
Audio signal (R-ch) input terminal
7
RROUT
O
Audio signal (rear R-ch) output terminal
8
RFOUT
O
Audio signal (front R-ch) output terminal
9
L1_IN
I
Audio signal (tuner L-ch) input terminal
10
R1_IN
I
Audio signal (tuner R-ch) input terminal
11
L2_IN
I
Audio signal (Bluetooth L-ch) input terminal
12
R2_IN
I
Audio signal (Bluetooth R-ch) input terminal
13
L3_IN_P
I
Audio signal (AUX L-ch) input terminal (positive)
14
L3_IN_N
I
Audio signal (AUX L-ch) input terminal (negative)
15
R3_IN_P
I
Audio signal (AUX R-ch) input terminal (positive)
16
R3_IN_N
I
Audio signal (AUX R-ch) input terminal (negative)
17, 18
ATEST01, ATEST02
-
Analog test terminal Not used
19
VREFOUT
O
External reference voltage output terminal
20
VREF_ADC
-
External capacitor connection terminal for audio A/D converter reference voltage
21
AVSS2
-
Ground terminal (for A/D converter)
22
AVDD2
-
Power supply terminal (+3.3V) (for A/D converter)
23 to 26
NC
-
Not used
27 to 30
GP50 to GP53
I/O
Not used
31
DVDD
-
Power supply terminal (+3.3V) (for digital system)
32
DVSS
-
Ground terminal (for digital system)
33 to 40
GP30 to GP37
I/O
Not used
41
DVDD
-
Power supply terminal (+3.3V) (for digital system)
42
DVSS
-
Ground terminal (for digital system)
43
REG1_EXTR
-
Internal regulator reserve terminal
44
DVDD15
-
External capacitor connection terminal for internal regulator
45
TXD1
O
Serial data output terminal Not used
46
RXD1
I
Serial data input terminal Not used
47, 48
OSC_CTL12,
OSC_CTL13
I
Clock control signal input terminal Not used
49
DVDD
-
Power supply terminal (+3.3V) (for digital system)
50
DVSS
-
Ground terminal (for digital system)
51
RESETB
I
Reset signal input from the system controller “L”: reset
52
SIFCK
I
Serial data transfer clock signal input from the system controller
53
SIFDI
I
Serial data input from the system controller
54
SIFDO
O
Serial data output to the system controller
55
SIFCE
I
Chip enable signal input from the system controller
56
BUSYB
O
Busy signal output to the system controller
57
USB_IN
O
USB device detection signal output to the system controller
58, 59
GP40, GP41
I/O
Not used
60
WDT_MON
O
Watch-dog timer status monitor output to the system controller
61
CMD_ERR
O
Command error signal output to the system controller
62 to 65
GP44 to GP47
I/O
Not used
66
DVDD
-
Power supply terminal (+3.3V) (for digital system)
67
DVSS
-
Ground terminal (for digital system)
68
UDM1
I/O
Two-way USB data (–) bus terminal
69
UDP1
I/O
Two-way USB data (+) bus terminal
70
DVSS
-
Ground terminal (for digital system)
71
UDM2
I/O
Two-way USB data (–) bus terminal Fixed at “L” in this unit
72
UDP2
I/O
Two-way USB data (+) bus terminal Fixed at “L” in this unit
73
XVDD
-
Power supply terminal (+3.3V) (for oscillation circuit)
74
X12IN
I
System clock input terminal (12 MHz)
75
X12OUT
O
System clock output terminal (12 MHz)
76
DVSS
-
Ground terminal (for oscillation circuit)
Содержание DSX-A50BT
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