Integra DTR-7.8 Service Manual page 194

MICROPROCESSOR TERMINAL DESCRIPTIONS -2
Q7001: M3087BFKBGP
Pin No. Pin Name
ROMCLK
51
52 NETRSV
53 SPRLFB
54 FEPM
55 SPRLZ2
56 Z3MUTE
57 Vss
58 Z2MUTE
59 Vcc
60 SBZ2MUTE
61 AMUTE
62 SPRLSB
63 SPRLCS
64 SPRLF
65 FCS
66 DAMPRSV
67 DAMPINT
68 ~DAMPRST
69 SELSTB
70 SELDAT
71 SELCLK
72 ~VOLRST
73 ~VOLMUTE
74 Vcc
75 ~VOLCS
76 Vss
77 VOLSDO
78 VOLCLK
79 ~DSP3INT
80 ~DSP3RST
81 ~DSP2INT
82 ~DSP2RST
83 ~DSP1INT
84 ~DSP1RST
85 ~DACRST
86 DIRINT
87 ~DIRRST
88 DIGSDI
89 DIGCLK
90 DIGSDO
91 Vcc
92 PROTECT
93 Vss
APOWER2
94
95 APOWER1
96 MEQMUTE
97 VPOWER
98 MPOWER
99 VOLH
100 THERMAL2
I/O Act.
E2PROM clock output
O CLK
O H No use
Front-B Speaker relay control
O H
Connect to Vss
I H
O H Zone2 Speaker relay control
Zone3 mute control
O H
I H GND
O H Zone2 mute control
Power supply
I H
O H Surround Back/Zone2 mute control
Main audio mute control
O H
Surround Back SP relay control
O H
O H Center/Surround SP relay control
Front SP relay control
O H
I H Connect to Vcc
O H No use
No use
I H
O L No use
O H Audio input selector Strobe output
Audio input selector data output
O H
O CLK Audio input selector clock output
Volume IC reset control
O L
O L Volume IC mute control
I --- Power supply
Volume IC chip select
O L
I --- GND
O H Volume IC data output
Volume IC clock output
O CLK
I L 3rd DSP BUSY detect input
3rd DSP reset
O L
2nd DSP BUSY detect input
I L
O L 2nd DSP reset
1st DSP BUSY detect input
I L
O L 1st DSP reset
O L DAC reset
DIR Err detect input
I H
O L DIR reset
DIR/DSP/DAC data input
I H
DIR/DSP/DAC/FLD clock output
O CLK
O H DIR/DSP/DAC/FLD data output
Power supply
I ---
I H PROTECT detect input
I --- GND
No use
O H
O H No use
3rd DSP Audyssey mute detect input
I H
Video power control output
O H
O H Main Power trans control output
Power Amp voltage switch control detect
I A/D
I A/D Thermal sensor input
Description
DTR-7.8