MICROPROCESSOR TERMINAL DESCRIPTIONS -2
TX-SR876/SA876
Q7001: M3087BFLBGP
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Pin Name
Pin No.
I/O
Act.
Description
ROMCLK
(NETRESUME)
SPRLFB
FEPM
SPRLZ2
Z3MUTE
Vss
Z2MUTE
Vcc
SBZ2MUTE
AMUTE
SPRLSB
SPRLCS
SPRLF
FCS
(DAMPRSV)
(DAMPINT)
FSWPOWER
SELSTB
SELDAT
SELCLK
~VOLRST
~VOLMUTE
Vcc
~VOLCS
Vss
VOLSDO
VOLCLK
~DSP3INT
~DSP3RST
~DSP2INT
~DSP2RST
~DSP1INT
~DSP1RST
~DACRST
DIRINT
~DIRRST
DIGSDI
DIGCLK
DIGSDO
Vcc
PROTECT
Vss
APOWER2
APOWER1
MEQMUTE
VPOWER
MPOWER
VOLH
THERMAL2
O
O
O
I
O
O
I
O
I
O
O
O
O
O
I
O
O
O
O
O
O
O
O
I
O
I
O
O
I
O
I
O
I
O
O
I
O
I
O
O
I
I
I
O
O
I
O
O
I
I
CLK
L
H
H
H
H
---
H
H
H
H
H
H
H
H
H
H
L
H
H
CLK
L
L
---
L
---
H
CLK
L
L
L
L
L
L
L
H
L
H
CLK
H
---
H
---
H
H
H
H
H
A/D
A/D
E2PROM serial clock output
Not used
Front-B Speaker relay control
Connect to Vss
Zone2 Speaker relay control
Zone3 mute control
GND
Zone2 mute control
Power 3.3V)
Surround Back/Powered Zone2 mute control
Main audio mute control
Surround Back Speaker relay control
Center/Surround Speaker relay control
Front Speaker relay control
Connect to Vcc
Not used
Not used
Control output to NJU7312
Audio input selector IC Strobe output
Audio input selector IC data output
Audio input selector IC clock output
Volume IC reset control
Volume IC mute control
Power 3.3V)
Volume IC chip select
GND
Volume IC serial data output
Volume IC serial clock output
3rd DSP BUSY detect input
3rd DSP reset
2nd DSP BUSY detect input
2nd DSP reset control
1st DSP BUSY detect input
1st DSP reset control
DAC reset control
DIR Error detect input
DIR reset control
DIR/DSP/DAC serial data input
DIR/DSP/DAC/FLD serial clock output
DIR/DSP/DAC/FLD serial data output
Power 3.3V)
PROTECT detect input
GND
Main power transformer control output2
Main power transformer control output1
3rd DSP Audyssey mute detect input
Video circuit power control output
Middle power trans control output
Power Amplifier output voltage detect
Thermal sensor voltage input
