Integra DTR-6.4 Service Manual page 73

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MAIN MICROPROCESSOR
TERMINAL DESCRIPTION
No. Symbol
1 HPRL
2 YCSEPCLK
3 OSDCS
4 OSDDA
5 OSDCLK
6 Evdd
7 Evss
8 VFSDA
9 VFSCLK
10 VFSSTB
11 Z2PMUT
12 DSP1HDOUT
13 DSPSDO
14 DSPCLK
15 T12VZ2
16 T12VA
17 T12VB
18 IC/Vpp
19 POWER
20 PUREPOW
21 Z2LMUT
22 Z2MUT
23 AMUT
24 PLLSTB
25 PLLDA
26 PLLCLK
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27 TMUT
28 AFSSTB
29 AFSSCK
30 AFSDA
31 ~RESET
32 XT1
33 XT2
34 REGC
35 X2
36 X1
37 Vss
38 Vdd
39 CLKOUT
40 Z2PSELCLK
41 Z2PSELDA
42 Z2PSELMUT
43 SELMUT
44 SELCLK
45 SELDA
46 Z2SELMUT
47 CODECINT
48 ~CODECCS
49 CODECSDI
50 ~DSP1RST
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I/O Description
O Headphone relay control output pin
O Not used.
O Serial communication chip select output pin for OSD IC Q204.
O Serial communication data output pin for OSD IC.
O Serial communication clock output pin for OSD IC.
Power supply pin (5V).
Ground pin
O Serial communication data output pin for video select switch IC Q205.
O Serial communication clock output pin for video select switch IC.
O Serial communication strobe output pin for video select switch IC.
O Muting control output pin for zone 2 pre-output.
I Serial communication data input pin from first DSP IC Q700.
O Serial communication data output pin for DSP and DIR ICs.
O Serial communication clock output pin for DSP and DIR ICs.
O 12V trigger output pin for zone 2.
O 12V trigger output pin A
O 12V trigger output pin B
Test pin
O Power supply control output pin
O Power supply control output pin for pure audio
O Line output muting control output pin for zone 2
O Muting control output pin for zone 2
O Audio muting control output pin
O Serial communication strobe output pin for PLL IC in tuner pack.
O Serial communication data output pin for PLL IC.
O Serial communication clock output pin for PLL IC.
O Muting control output pin for tuner pack.
O Serial communication strobe output pin for select switch IC Q301.
O Serial communication clock output pin for select switch IC Q301.
O Serial communication data output pin for select switch IC Q301.
I System reset input
Not used.
Not used.
Regulator adjustment capacitor connection pin
Main clock connection pin (16MHz)
Main clock connection pin (16MHz)
Ground pin
Power supply pin (5V).
Not used.
O Clock output pin for zone 2. Not used.
O Data output pin for zone 2. Not used.
O Select muting output pin for zone 2. Not used.
O Muting control output pin for audio processor IC Q302.
O Serial communication clock output pin for Q302 and Q310.
O Serial communication data output pin for Q302 and Q310.
O Muting control output pin for volume control IC Q310.
I Error detection input pin for DIR IC Q800.
O Serial communication chip select output pin for DIR IC.
I Serial communication data input pin for DIR IC.
O Reset signal output pin for first DSP IC Q700.
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