Read Sony DSX-A50BT / DSX-A50BTE Service Manual online
DSX-A50BT/A50BTE
32
Pin No.
Pin Name
I/O
Description
77
AFILT
O
Charge pump output terminal (for audio PLL)
78
VVDD2
-
Power supply terminal (+3.3V) (for audio PLL)
79
VVDD3
-
Power supply terminal (+3.3V) (for system PLL)
80
DVDD
-
Power supply terminal (+3.3V) (for digital system)
81
DVSS
-
Ground terminal (for digital system)
82
CP_SCL
O
Serial data transfer clock signal output terminal Fixed at “H” in this unit
83
SP_SDA
I/O
Two-way serial data bus terminal Fixed at “H” in this unit
84, 85
GP07, GP06
I/O
Not used
86
CP_RESET
O
Reset signal output terminal Not used
87
TEST0
I
Test mode setting terminal Fixed at “L”
88
DVDD
-
Power supply terminal (+3.3V) (for digital system)
89
DVSS
-
Ground terminal (for digital system)
90
DVDD15
-
External capacitor connection terminal for internal regulator
91
JTRSTB
I
Reset signal input terminal (for JTAG) Normally: fi xed at “L”
92
JTCK
I
Clock signal input terminal (for JTAG) Normally: fi xed at “L”
93
JTDI
I
Data input terminal (for JTAG) Normally: fi xed at “L”
94
JTMS
I
Mode selection signal input terminal (for JTAG) Normally: fi xed at “H”
95
JTDO
O
Data output terminal (for JTAG) Normally: open
96
JTRTCK
O
Return clock signal output terminal (for JTAG) Normally: open
97
TEST1
I
Test mode setting terminal Fixed at “L”
98
AVDD1
-
Power supply terminal (+3.3V) (for A/D converter)
99
AVSS1
-
Ground terminal (for A/D converter)
100
LRREF
-
External capacitor connection terminal for audio D/A converter and electrical volume reference
voltage
voltage
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