MICROPROCESSOR TERMINAL DESCRIPTIONS -3
TX-SR876/SA876
Q7001: M3087BFLBGP
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
Pin Name
Pin No.
I/O
Act.
Description
THERMAL1
~REMIN
DSP1NIC
SYSIN
~SYSOUT
MICMUTE
~MICDET
HPRL
HPDET
INIT3
INIT2
INIT1
BAND
SIOCSA
SIOCSB
SIOCSC
SIOCSOE1
SIOCSOE2
VOLB
VOLA
LEDSTBY2
LEDSTBY
~FLDRST
RXMUTE
TXMUTE
~HDMIRST
HDMISTB
HDMISDI
HDMICLK
Vss
HDMISDO
Vcc
KEY3
KEY2
KEY1
KEY0
~DSP1DEC
TUMUTE
TUNSDA/VSELSDA
AVss
TUNSCL/VSELSCL
Vref
AVcc
SRRxD
I
I
I
I
O
O
I
O
I
I
I
I
I
O
O
O
O
O
I
I
O
O
O
I
O
O
I
I
O
I
O
I
I
I
I
I
I
O
I/O
I
I/O
I
I
I
A/D
L
H
H
L
H
L
H
H
A/D
A/D
A/D
A/D
H
H
H
H
H
H
H
H
H
L
H
H
L
H
H
CLK
---
H
---
A/D
A/D
A/D
A/D
L
H
H
---
H
---
---
H
Thermal sensor voltage input
Remote control signal input
1st DSP status change detect
RI input
RI output
Setup Mic mute control
Setup Mic detect input
Headphone relay control
Headphone detect input
Initial setup input 3
Initial setup input 2
Initial setup input 1
Initial setup input
DIR/DSP/DAC/FLD/etc chip select output
DIR/DSP/DAC/FLD/etc chip select output
DIR/DSP/DAC/FLD/etc chip select output
DIR/DSP/DAC/FLD chip select output
Selector IC etc chip select output
Master volume data input
Master volume data input
STANDBY LED control output
STANDBY LED control output
FL Driver IC reset control
HDMI Receiver mute input
HDMI Transmitter mute output
HDMI reset control
HDMI Strobe input
HDMI serial data input
HDMI serial clock output
GND
HDMI serial data output
Power 3.3V)
Selector Key voltage input
Selector Key voltage input
Selector Key voltage input
Selector Key voltage input
1st DSP decode status input
Tuner mute output
Tuner PLL/Video Selector/Video Encoder,Decoder I2C data input/output
GND
Tuner PLL/Video Selector/Video Encoder,Decoder I2C clock output
Reference voltage(Connect to Vcc)
Power 3.3V)
SIRIUS UART data input
