Integra DTR-7.6 Service Manual page 120
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Also See for DTR-7.6:
- Instruction manual (96 pages) ,
- Instruction manual (96 pages) ,
- Service manual (105 pages)
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MICROPROCESSOR TERMINAL DESCRIPTIONS
No. Pin Name
65 P47/~CS3
66 P46/~CS2
67 P45/~CS1
68 P44/~CS0
69 P43/A19
70 P42/A18
71 P41/A17
72 P40/A16
73 P37/A15
74 P36/A14
75 P35/A13
76 P34/A12
77 P33/A11
78 P32/A10
79 P31/A09
80 P124
81 P123
82 P122
83 P121
84 P120
85 VCC2
86 P30/A8(/-/D7)
87 VSS
88 P27/AN27/A7(/D7/D6)
89 P26/AN26/A6(/D6/D5)
90 P25/AN25/A5(/D5/D4)
91 P24/AN24/A4(/D4/D3)
92 P23/AN23/A3(/D3/D2)
93 P22/AN22/A2(/D2/D1)
94 P21/AN21/A1(/D1/D0)
95 P20/AN20/A0(/D0/-)
96 P17/D15/~INT5
97 P16/D14/~INT4
98 P15/D13/~INT3
99 P14/D12
100 P13/D11
101 P12/D10
102 P11/D9
103 P10/D8
104 P07/AN07/D7
105 P06/AN06/D6
106 P05/AN05/D5
107 P04/AN04/D4
108 P03/AN03/D3
109 P02/AN02/D2
110 P01/AN01/D1
111 P00/AN00/D0
112 P117
113 P116
114 P115
115 P114
116 P113
117 P112
118 P111
119 P110
120 P107/AN7/~KI3
121 P106/AN6/~KI2
122 P105/AN5/~KI1
123 P104/AN4/~KI0
124 P103/AN3
125 P102/AN2
126 P101/AN1
127 AVSS
128 P100/AN0
Function
I/O
Act.
Description
Z2MUT
O
H
Zone2 Out mute control pin
SBZ2MUT
O
H
Surround back/Zone2 mute control.
AMUT
O
H
Audio mute control pin
SPRLF
O
H
Front speaker relay control pin
SPRLCS
O
H
Center/Surround back speaker relay control pin.
SPRLSB
O
H
Surround back speaker relay control pin.
SPRLZ2
O
H
Zone2 speaker relay control pin
DIGSDO
O
H
Serial communication data output pin for DIR/CODEC/DSP.
DIGSDI
I
H
Serial communication data input pin for DIR/CODEC/DSP.
DIGCLK
O
CLK Serial communication clock output pin for DIR/CODEC/DSP.
DSPBUSY
I
H
Busy detection pin for DSP C.
DGSW1
O
H
DIGITAL AUDIO MCK select 1. Not used.
DGSW2
O
H
DIGITAL AUDIO MCK select 2. Not used.
VPOWER
O
H
Power control output for video section
APOWER
O
H
Power source control output
FANH
O
L
Fan speed control pin. High: Low speed Low: High speed
FANCTRL
O
L
Fan operation control pin. High: Stop Low: Rotation
TRGA
O
H
12V trigger output A
TRGB
O
H
12V trigger output B
TRGZ2
O
H
12V trigger output ZONE2
Vcc2
Power supply
SEC1H
O
H
Voltage select control pin
Vss
Ground
VOLH
I
A/D
Signal level detection circuit
THERMAL
I
A/D
Thermal detection pin
PROTECT
I
H
Protection circuit detection circuit
FSWSTB
O
H
Strobe output pin for function switch
FSWCLK
O
H
Serial clock output pin for function switch
FSWSDO
O
H
Serial data output pin for function switch
RDSDAT
I
H
Serial data input pin for RDS
RDSSIG
I
H
Demodulator data input pin for RDS
SYSIN
I
H
RI input pin
~IRIN
I
L
IRIN remote control input pin
~RDSCLK/POFF2
I
L
Serial clock input pin for RDS
~SYSOUT
O
L
RI output pin
LEDPURE
O
H
Pure Audio LED control output pin
LEDSTBY
O
H
STANDBY LED control pin
HPRL
O
H
Headphone relay control pin
HPDET
I
H
Headphone detection input
~MICDET
I
L
Microphone detection input
CLK
VOLB
I
Rotary encoder input for Volume
VOLA
I
CLK
Rotary encoder input for Volume
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
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
~KEYINT0
I
L
Key input interrupt 0
KEY3
I
A/D
Key input 3
KEY2
I
A/D
Key input 2
KEY1
I
A/D
Key input 1
AVss
Ground for A/D
KEY0
I
A/D
Key input 0
DTR-7.6
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