10
10
UD-M31
33
AVSS
AVSS
-
A/D,D/A converter GND position
OTHER
-
34
P130/ANO0
LINE1
O
LINE OUT Control signal output1
OTHER
L
35
P131/ANO1
LINE2
O
LINE OUT Control signal output2
OTHER
L
36
AVref1
Avref1
-
D/A converter reference voltage input
OTHER
-
37
P70/RxD2/SI2
SQOUT
I
Sub Q code data input
CD
L
38
P71/TxD2/SO2
COIN
O
CD-DSP serial communication data output
CD
L
39
P72/ASCK2/
SCK2
CQCK
O
CD-DSP serial communication clock output
CD
L
40
P20/RxD1/SI1
NC
I
Pull up
RECIEVER
-
41
P21/TxD1/SO1
FLDT
O
DATA BUS for FL driver, Data output
RECIEVER
L
42
P22/ACSK1/
SCK1
FLCLK
O
DATA BUS for FL driver, Clock output
RECIEVER
L
43
P23/PCL
NC
I
Pull up
RECIEVER
-
44
P24/BUZ
/RDSRST
O
RDS IC reset output
RECIEVER
-
45
P25/SI0/SDA0
DB RXD
I
DATA BUS for DENON BUS Data input
RECIEVER
-
46
P26/SO0
DB TXD
O
DATA BUS for DEON BUS Data output
RECIEVER
L
47
P27/SCK0/SCL0 DB CLK
O
DENON BUS Clock output
RECIEVER
L
48
P80/A0
/SD
I
FM/AM Tuning signal input, Tuned:Low
RECIEVER
-
49
P81/AÇP
/ST INC
I
FM stereo demodulation detect input, Ste-
reo:Low
RECIEVER
-
50
P82/A2
/TMUTE
O
Tuner mute output, mute:Low
RECIEVER
L
51
P83/A3
AUTO/MONO
O
FM AUTO/MONO switching, MONO:High
RECIEVER
L
52
P84/A4
USA
I
Initial setting input
RECIEVER
-
53
P85/A5
EURO
I
Initial setting input
RECIEVER
-
54
P86/A6
FREQ
I
Initial setting input
RECIEVER
-
55
P87/A7
RDS
I
Initial setting input
RECIEVER
-
56
P40/AD0
SL+
O
SLIDE kick Forward
CD
L
57
P41/AD1
SL-
O
SLIDE kick Reverse
CD
L
58
P42/AD2
CD/!RW
O
CD, CD-RW gain switching
CD
L
59
P43/AD3
SERACH
O
SEARCH control
CD
L
60
P44/AD4
NC
O
OPEN
CD
L
61
P45/AD5
NC
O
OPEN
CD
L
62
P46/AD6
LED POWER G
O
POWER/STANDBY Green LED out-
put,Light:High
63
P47/AD7
LED POWER R
O
POWER/STANDBY Red LED output,Light:High
64
P50/A8
NC
I
Pull up
CD
-
65
P51/A9
NC
I
Pull up
CD
-
66
P52/A10
CLSW
I
LOADER CLOSE SW input
CD
-
67
P53/A11
OPSW
I
LOADER OPEN SW input
CD
-
68
P54/A12
NC
I
Pull up
CD
-
69
P55/A13
NC
I
Pull up
CD
-
70
P56/A14
NC
I
Pull up
CD
-
71
P57/A15
O
Not used :NC
OTHER
L
72
VSS
VSS
-
GND potential
OTHER
-
73
P60/A16
BLK
O
FLD ON/OFF control port, L= black out FLD
74
P61/A17
DATXD
O
DATA BUS(for VOL,PLL,RDS IC, EEPROM)
Data output
RECIEVER
L
75
P62/A18
DACLK
O
DATA BUS(for VOL,PLL,RDS IC, EEPROM)
Clock output
RECIEVER
L
76
P63/A19
DACE
O
DATA BUS(for VOL,PLL,RDS IC) Chip enable
output
RECIEVER
L
77
P64/RD
DRP_RST
O
CD-DSP reset output, output, reset:High
CD
L
78
P65/WR
O
Not used :NC
OTHER
L
79
P66/WAIT
PWBCHK
I
Start PWB check mode
OTHER
-
Pin
No.
Port
Symbol
I/O
Function
RECIEVER or CD
outputs of
standby&Defoult
