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DV-550U
Pin No.
Terminal name
90
VSS
91
BUCK
92
/CCE
93
TEST4
94
/TSMOD
95
/RST
96
TEST0
97
/HSO
98
/UHSO
99
EMPH
100
LRCK
I/O
–
Digital ground terminal.
I
Microcomputer interface clock input terminal.
I
Microcomputer interface chip enable signal input terminal.
BUS0 to 3 is active in "L" state.
I
Test terminal.
To be opened usually.
I
Local test mode selection terminal.
I
Reset signal input terminal.
Reset state: "L"
I
Test terminal.
To be opened usually.
O
Playback speed mode flag output terminal.
O
/UHSO
/HSO
H
H
L
L
O
Subcode Q data emphasis flag output terminal.
Emphasis ON: "H" OFF: "L"
Output polarity can be inverted by the command.
O
Channel clock (44.1 kHz) output terminal.
L channel "L" R channel: "H"
Output polarity can be inverted by the command.
Operation function
Playback speed
H
x1 speed playback
L
x2 speed playback
H
x4 speed playback
L
x8 speed playback
12-7
Remarks
Schmidt input
Schmidt input
Pull-up resistor
built in.
Pull-up resistor
built in.
Pull-up resistor
built in.
Pull-up resistor
built in.
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