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Pin Name
Pin No.
44
UNICKO
45
I2C_SIO
46
VOLATT
47
I2_CKO
48
AMPON
49
AMPATT
50
ATT
51
TU_ATT
52
AMSON
53
NROUT
TE
L 13942296513
54
MTLON
55
TAPATT
56
DOLON
57
AMSIN
58
4VPRE
59 to 69
70 to 73
NCO
74
E2P_SIO
75
E2P_CKO
www
76
NCO
77
SWSHIFT
.
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I/O
Serial clock output
O
UNI-LINK serial interface clock output terminal
2
I
C bus serial data input/output
I/O
Serial interface with electronic volume IC, tuner unit
O
Electronic volume mute control output terminal
2
I
C bus serial clock output
O
Serial interface with electronic volume IC, tuner unit
Power amplifier STANDBY control output
O
Performs standby ON/OFF control of the power amplifier and power IC
Power amplifier mute control output terminal
O
Mute terminal during AMPON output ON/OFF
System MUTE control output
Mute control output of audio signal line output stage
Set the electronic volume also to - ∞ during active
O
Outputs "H" when mute is ON
Immediately sets into the input state during BU-IN OFF
Tuner mute control output terminal
O
Controls FM and AM outputs from tuner
O
Outputs "L" during AMS
FWD/REV control output
Controls tape running direction
O
Outputs "H" in the forward direction and "L" in the reverse direction
Metal control input/output
Switches between metal ON/OFF Metal is present when initial "L" is input
I/O
Outputs "H" during MTL ON
Tape mute control output
FF and REW are active during ATA operations
O
Outputs "H" during mute on when the EQ IC is connected
Dolby control input/output
Sets the presence/absence of the Dolby function during the input mode during initialization
I/O
Switches DOLBY to ON or OFF in the output mode normally
DOLBY is ON when "L" is input Outputs "H" during DOLBY ON
Sound presence/absence detection input during AMS
Detects if tape audio sound is present or absent
I
Sound is present when "L" is input and absent when "H" is input
4VPREOUT model acknowledge terminal
Acknowledges as 4VPREOUT model when "L", and changes the gain amount of the
I
electrical control IC
O
Not used
O
Not used
EEPROM communication terminal
I/O
EEPROM data input/output terminal
EEPROM communication terminal
O
EEPROM clock output terminal
O
Not used
AM filter control terminal
x
ao
u163
y
O
Outputs "L"during 2.94 to 5.585, 14.125 to 18.135 MHz during SW reception, and
i
outputs "H" at other times
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2 9
8
Function
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
23
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