DTR-4.6
MICROPROCESSOR TERMINAL DESCRIPTIONS
No. Pin Name
Function
I/O
Act.
Description
65
P47/~CS3
Z2MUT
O
H
Zone2 Out mute control pin
66
P46/~CS2
SBZ2MUT
O
H
Surround back/Zone2 mute control.
67
P45/~CS1
AMUT
O
H
Audio mute control pin
68
P44/~CS0
SPRLF
O
H
Front speaker relay control pin
69
P43/A19
SPRLCS
O
H
Center/Surround back speaker relay control pin.
70
P42/A18
SPRLSB
O
H
Surround back speaker relay control pin.
71
P41/A17
SPRLZ2
O
H
Zone2 speaker relay control pin
72
P40/A16
DIGSDO
O
H
Serial communication data output pin for DIR/CODEC/DSP.
73
P37/A15
DIGSDI
I
H
Serial communication data input pin for DIR/CODEC/DSP.
74
P36/A14
DIGCLK
O
CLK
Serial communication clock output pin for DIR/CODEC/DSP.
75
P35/A13
DSPBUSY
I
H
Busy detection pin for DSP C.
76
P34/A12
DGSW1
O
H
DIGITAL AUDIO MCK select 1. Not used.
77
P33/A11
DGSW2
O
H
DIGITAL AUDIO MCK select 2. Not used.
78
P32/A10
VPOWER
O
H
Power control output for video section
79
P31/A09
APOWER
O
H
Power source control output
80
P124
FANH
O
L
Fan speed control pin. High: Low speed Low: High speed
81
P123
FANCTRL
O
L
Fan operation control pin. High: Stop Low: Rotation
82
P122
TRGA
O
H
12V trigger output A
83
P121
TRGB
O
H
12V trigger output B
84
P120
TRGZ2
O
H
12V trigger output ZONE2
85
VCC2
Vcc2
Power supply
86
P30/A8(/-/D7)
SEC1H
O
H
Voltage select control pin
87
VSS
Vss
Ground
88
P27/AN27/A7(/D7/D6)
VOLH
I
A/D
Signal level detection circuit
89
P26/AN26/A6(/D6/D5)
THERMAL
I
A/D
Thermal detection pin
90
P25/AN25/A5(/D5/D4)
PROTECT
I
H
Protection circuit detection circuit
91
P24/AN24/A4(/D4/D3)
FSWSTB
O
H
Strobe output pin for function switch
92
P23/AN23/A3(/D3/D2)
FSWCLK
O
H
Serial clock output pin for function switch
93
P22/AN22/A2(/D2/D1)
FSWSDO
O
H
Serial data output pin for function switch
94
P21/AN21/A1(/D1/D0)
RDSDAT
I
H
Serial data input pin for RDS
95
P20/AN20/A0(/D0/-)
RDSSIG
I
H
Demodulator data input pin for RDS
96
P17/D15/~INT5
SYSIN
I
H
RI input pin
97
P16/D14/~INT4
~IRIN
I
L
IRIN remote control input pin
98
P15/D13/~INT3
~RDSCLK/POFF2
I
L
Serial clock input pin for RDS
99
P14/D12
~SYSOUT
O
L
RI output pin
100 P13/D11
LEDPURE
O
H
Pure Audio LED control output pin
101 P12/D10
102 P11/D9
LEDSTBY
O
H
STANDBY LED control pin
103 P10/D8
HPRL
O
H
Headphone relay control pin
104 P07/AN07/D7
HPDET
I
H
Headphone detection input
105 P06/AN06/D6
~MICDET
I
L
Microphone detection input
106 P05/AN05/D5
VOLB
I
CLK
Rotary encoder input for Volume
107 P04/AN04/D4
VOLA
I
Rotary encoder input for Volume
108 P03/AN03/D3
INIT3
I
A/D
Initializing pin 3
INIT2
I
A/D
Initializing pin 2
INIT1
I
A/D
Initializing pin 1
BAND
I
A/D
Initializing pin for tuner section
LEDZONE2
O
H
Zone2 LED control pin
113 P116
114 P115
115 P114
116 P113
FLDSDO
O
H
Serial data output for FL driver
FLDCLK
O
H
Serial clock output for FL driver
FLDCS
O
H
Chip select output for FL driver
~FLDRST
O
L
Reset output for FL driver
~KEYINT3
I
L
Key input interrupt 3
~KEYINT2
I
L
Key input interrupt 2
~KEYINT1
I
L
Key input interrupt 1
123 P104/AN4/~KI0
~KEYINT0
I
L
Key input interrupt 0
124 P103/AN3
KEY3
I
A/D
Key input 3
125 P102/AN2
KEY2
I
A/D
Key input 2
126 P101/AN1
KEY1
I
A/D
Key input 1
127 AVSS
AVss
Ground for A/D
128 P100/AN0
KEY0
I
A/D
Key input 0
CLK
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