Fldcs - Onkyo TX-SR573 Service Manual

MICROPROCESSOR TERMINAL DESCRIPTIONS-1
Q701 : M30622MGP-293FPU0
Pin No. Pin name I/O
1 FLDSDO O
2 FLDCLK O
3

FLDCS

O
4 FLDRST O
5 XMSDO O
6 XMSDI I
7 XMCLK O
8
NU ---
9 CNVSS ---
10 COMPA O
11 COMPB O
12 RESET I
13 XOUT O
14 VSS ---
15 XIN I
16 VCC1 ---
17 NU ---
18 NU ---
19 REMIN I
20 POFF I
21 NU ---
22 DIRINT0 I
23 DIRCS O
24 DIRRST O
25 DSPFCS O
26 DSPCS O
27 VMUTMON O
28 VMUTV1 O
29 VCTRLA O
30 VCTRLB O
31 FTXD O
32 FRXD I
33 FCLK O
34 FBUSY O
35 PLLSDA O
36 PLLSCL O
37 STEREO I
38 TUNED I
39 DSPINT I
40 DSPFINT I
41 EFPM O
42 DSPRST O
43 VOLSTB O
44 VOLCLK O
45 VOLDAT O
46 FCE I
47 NU ---
48 NU ---
49 AMUT O
50 SPRLB O
Act. Description
Serial data output to FL driver.
H
Serial clock output to FL driver.
CLK
Chip select output to FL driver.
H
Reset output to FL driver.
L
Serial data output to XM microprocessor.
H
Serial data input form XM microprocessor.
H
Serial clock output to XM microprocessor.
CLK
Not used.
---
Not used.
---
Control output to component video selector.
L
Control output to component video selector.
L
System reset input.
L
Crystal oscillation circuit output.
H
Ground.
---
Crystal oscillation circuit input.
H
Power supply.
---
Not used.
---
Not used.
---
Signal input form remote sensor.
L
Power failure detection input.
H
Not used.
---
Interrupt request signal input from DIR.
H
Chip select signal output to DIR/CODEC.
L
Reset signal output to DIR/CODEC.
L
DSP A/B chip select signal output.
L
DSP C chip select signal output.
L
Video mute (monitor out) control output.
L
Video mute (video 1) control output.
L
Video selector switch control output.
H
Video selector switch control output.
H
For writing of flash microprocessor.
H
For writing of flash microprocessor.
H
For writing of flash microprocessor.
CLK
For writing of flash microprocessor.
H
Serial data output for PLL.
H
Serial clock output to PLL.
CLK
FM stereo signal detection input.
L
Tuning signal detection input.
L
DSP C interrupt request detection input.
L
DSP AB interrupt request detection input.
L
For writing of flash microprocessor.
H
Reset signal output to DSP.
L
Strobe output to volume IC.
H
Serial clock output to volume IC.
CLK
Serial data output to volume IC.
H
For writing of flash microprocessor.
H
Not used.
---
Not used.
---
Audio mute (video 1) control output.
H
Speaker B relay control output.
H
TX-SR573