Onkyo TX-SR804 Service Manual page 146

MICROPROCESSOR TERMINAL DESCRIPTIONS -1
Q701: M30627FJPGP
Pin Name
No.
1 Vref
2 AVcc
3 P97/~ADTRG/SIN4
4 P96/ANEX1/SOUT4
5 P95/ANEX0/CLK4
6 P94/DA1/TB4IN
7 P93/DA0/TB3IN
8 P92/TB2IN/SOUT3
9 P91/TB1IN/SIN3
10 P90/TB0IN/CLK3
11 P141
12 P140
13 BYTE
14 CNVSS
15 P87/XCIN
16 P86/XCOUT
17 ~RESET
18 XOUT
19 VSS
20 XIN
21 VCC1
22 P85/~NMI
23 P84/~INT2
24 P83/~INT1
25 P82/~INT0
26 P81/TA4IN/~U
27 P80/TA4OUT/U
28 P77/TA3IN
29 P76/TA3OUT
30 P75/TA2IN/~W
31 P74/TA2OUT/W
32 P73/~CTS2/~RTS2/TA1IN/~V
33 P72/CLK2/TA1OUT/V
34 P71/RXD2/SCL2/TA0IN/TB5IN
35 P70/TXD2/SDA2/TA0OUT
36 P67/TXD1/SDA1
37 Vcc1
38 P66/RXD1/SCL1
39 Vss
40 P65/CLK1
41
P64/~CTS1/~RTS1/~CTS0/CLKS1
42 P63/TXD0/SDA0
43 P62/RXD0/SCL0
44 P61/CLK0
45 P60/~CTS0/~RTS0
46 P137
47 P136
48 P135
49 P134
50 P57/~RDY/CLKOUT
51 P56/ALE
52 P55/~HOLD
53 P54/~HLDA
54 P133
55 P132
56 P131
57 P130
58 P53/BCLK
59 P52/~RD
60 P51/~WRH/~BHE
61 P50/~WRL/~WR
62 P127
63 P126
64 P125
Function
I/O Act.
--- ---
Vref
A/D Reference Voltage
---
---
AVcc A/D Power supply
VMSDI I H Data input pin from HDMI micro prosessor
VMSDO O Data output pin to HDMI micro prosessor
H
O
VMCLK CLK Clock output pin to HDMI micro prosessor
O H Reset cotrol pin to Video Encoder/Decoder
VCRST
~VMUT O L
VIDEO MUTE control pin
OSDSDO O H
Data output pin to OSD
SYNC I H VIDEO SYNC detect pin
O CLK Clock output pin to OSD
OSDCLK
O
~OSDCS L OSD chip select pin
O H
No use
---
---
BYTE External bus width select pin. Connect to Ground.
--- ---
CNVss Processor mode select pin. Connect to the ground via resistor.
RDSDATA I H RDS data input from LA72725 in tuner pack
O
XMSRSEL H XM/SIRIUS select pin
~RESET I L
Reset input
---
---
Xout Ceramic oscillator connection pin.
--- ---
Vss
Power supply Ground pin
--- ---
Xin Ceramic oscillator connection pin.
--- ---
Vcc1 Power supply pin
~NMI I L No use
POFF I L Power failure detection input
VSYNC I L
Vertical sync signal detection input.
I L
(D-type)XM IC interrupt input / (P-type)RDS clock input / (Other type)No use
~XMERRIRQ/~RDSCLK
XMCOMSEL O H
Control output to XM IC
~XMDACRST O
L XM DAC reset pin
~DIRINT0
I H DIR/Codec unlock detect pin
DSP AB chip select pin
DSPFCS O L
DSPBUSY I H DSP C BUSY detect pin
I DSP C interrupt detect pin
~DSPINT L
~DSPFINT I L
DSP AB interrupt detect pin
I S-VIDEO detect pin
~SDET L
I2C clock output to tuner pack
PLLSCL O CLK
PLLSDA I/O H I2C data input/output from/to tuner pack
FTXD O H Flash micro processor rewrite port
---
H Power supply
FRXD I H Flash micro processor rewrite port
---
H Power supply Ground
Flash micro processor rewrite port
FCLK O CLK
FBUSY O H
Flash micro processor rewrite port
XMSRTXD O H XM/SIRIUS data output pin
XMSRRXD I H XM/SIRIUS data input pin
~XMRST O L XM IC reset pin
~DIRCS O L DIR/Codec chip select pin
OSDINV O H
OSD IC input select pin(Video)
OSDINY O H OSD IC input select pin(S Video)
O H No use
O H No use
~DIRRST O L DIR/Codec reset control pin
~DSPCS O L DSP chip select pin
O
~FEPM H Flash micro processor rewrite port
~DSPRST O L
DSP reset pin
O H No use
O H
No use
MCHSEL O H ANALOG/HDMI MCLK select pin
~ADCRST O L Mult-ch AD Reset output
DIGCLK O CLK DIR/Codec/DSP clock output pin
DIGSDI H DIR/Codec/DSP data input pin
I
DIGSDO O H DIR/Codec/DSP data output pin
~FCE I H Flash micro processor rewrite port
O
H No use
Z2MUT O Mute output for ZONE2
H
O
SBZ2MUT H Mute output for SB/ZONE2
TX-SR804/804E
Description