MICROPROCESSOR TERMINAL DESCRIPTIONS-1
Q7008:MPD784225GC-XXX-8BT(MAIN MICROPROCESSOR)
TX-SR502/E/8250/HT-R520
26
27
28
29
30
34
35
36
37
39
40
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
No.
1
2
3
11
10
12
15
16
17
18
19
20
21
22
23
24
25
POWRL
VCTRLA
VCTRLB
~VMUT2
~VMUT1
AMUT
PLLSTB
PLLSDO
PLLCLK
~SD
~STEREO
---
O
O
O
O
O
O
O
O
---
---
---
---
---
---
O
O
---
---
---
I
I
I
I
I
I
I
I
I
I
I
NU
SELMUT
SELCLK
SELSDO
~DIRRST
~DIRCS
~DSPFCS
~DSPRST
~DSPCS
NU
NU
NU
NU
NU
NU
NU
NU
NU
RESET
Pin name I/O
PROTECT I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
VOLH
BAND
NU
NU
MCRDY
MCSDI
MCSDO
MCCLK
~MCRST
HPMUT
HPIN
SPBRL
SEC1H
SPACSRL
SPAFRL
Power source relay control output terminal.
Control signal-A output terminal for the
video selector switch.
Control signal-B output terminal for the
video selector switch.
Muting control-2 output terminal for the
video section.
Muting control-1 output terminal for the
video section.
Audio muting control output terminal.
Strobe signal output terminal to PLL IC.
Serial data output terminal to PLL IC.
Serial clock output terminal to PLL IC.
38 TUMUT
O
Muting control output terminal for the
tuner section.
Broadcast detection input terminal more
than a muting level.
41 NU --- No used.
FM stereo broadcast detection input terminal.
No used.
Muting control output terminal to selector/
volume/ tone IC BD3817.
Serial clock
output terminal to selector/
volume/ tone IC BD3817.
Serial data output terminal to selector/
volume/ tone IC BD3817.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
61
O~POFF Power failure detection input terminal.
63 ODIRINT0 Interrupt input terminal from DIR/
CODEC.
System reset input terminal.
Description
No. Pin name Description
Current detection and DC voltage detection
input terminal.
Thermal detection and power amplifier
output level detection input terminal.
Input terminal for destination setup.
4
IAVSS Ground terminal.
7
IAVREF1 Ground terminal for A/D converter.
IVSS1 Ground terminal.
Not used.
Not used.
Data ready detection input terminal from
the sub microprocessor.
Data input terminal from the sub
microprocessor.
Data output terminal to the sub
microprocessor.
Serial clock output terminal to the sub
microprocessor.
Reset signal output terminal to the sub
microprocessor.
Muting control output terminal for
headphone amplifier. Not used.
Input terminal to detect the connection of
headphone.
Speaker relay control output terminal for front-B.
5 ITHERMPRO Thermal detection input terminal.
8
I
DSPSDI Serial data input terminal from DSP and
DIR/CODEC.
9
ODSPSDO Serial data output terminal to DSP and
DIR/CODEC.
O
O
O
13
NU Not used.O
14
PUREPOW Power supply control terminal of video
circuit for Pure audio mode.
O
31
CMPRL Control output terminal of component
video selector.
O
32
33
PLLSDI PL serial data input terminal.I
DSPCLK Serial clock output terminal to DSP and
DIR/CODEC.
6 ONU Not used.
Control output terminal for power supply
voltage of power amplifier.
Speaker relay control output terminal for
center and surround channels.
Speaker relay control output terminal
for front-A channels.
62
64
65
66
69
70
71
72
73
76
77
DIRINT1
~FINTREQ
~INTREQ
~RDSCLK
X2
X1
78
INIT1
TEST/VPP
XT2
XT1
RDSDATA
RDSSIG
Interrupt input terminal from DIR/
CODEC.
Interrupt request input terminal from
DSP IC.
Interrupt request input terminal from
DSP IC.
RDS clock input terminal (European model
only)
Connect the ceramic oscillator 12.5MHz.
Connect the ceramic oscillator 12.5MHz.
Test terminal. Not used.
Not used.
Not used.
I
74
VDD0 Power supply terminal +5V.
I
67 VSS0 Ground terminal.
I
68
VDD0 Power supply terminal +5V.
I
75
AVDD
Power supply terminal for A/D converter +5V.
Data input terminal of RDS broadcast
(European model only)
Input terminal to check the signal of RDS
broadcast (European model only)
Input terminal-1 for destination setup.
I
79
INIT2 Input terminal-2 for destination setup.
I
80
INIT3 Input terminal-3 for destination setup.
I/O
Reset output terminal for DIR/CODEC.
Chip select output terminal for DIR/
CODEC.
Chip select output terminal for DSP IC.
Reset output terminal for DSP IC.
Chip select output terminal for DSP IC.
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