Onkyo TX-8522 - Microprocessor Pin Descriptions; CPU Terminal Functions (1-60)

TX-8522
MICROPROCESSOR-TERMINAL DESCRIPTION 1
No. Terminal Signal Name I/O Act. Description
1 P96/ANEX1/SOUT4 VSWA O H Video switch control output pin
2 P95/ANEX0/CLK4 VSWB O H Video switch control output pin
3 P94/DA1/TB4IN I L Not used.
4 P93/DA0/TB3IN Z2SELCLK O L Not used.
5 P92/TB2IN/SOUT3 Z2SELDAT O H Not used.
6 P91/TB1IN/SIN3 Z2SELLAT O L Not used.
7 P90/TB0IN/CLK3 I L Not used.
8 BYTE BYTE External bus select pin. Connect to Ground.
9 CNVSS CNVss Processor mode select pin
10 P87/XCIN RDSDATA I H RDS data input pin. European model only.
11 P86/XCOUT I L Not used. Connect to Ground.
12 ~RESET ~RESET I L System reset pin.
13 XOUT Xout Ceramic resonator connection pin. Connect a ceramic resonator 6.00MHz.
14 VSS Vss Ground pin.
15 XIN Xin Ceramic resonator connection pin. Connect a ceramic resonator 6.00MHz.
16 VCC1 Vcc1 Power supply pin.
17 P85/~NMI ~NMI I L Not used.
18 P84/~INT2 POFF I L Power failure detection pin
19 P83/~INT1 I L Not used.
XM IC interrupter detection pin. (North American model only)
RDS clock input pin. (European model only)
21 P81/TA4IN/~U XMCOMSEL O H XM IC control output pin (North America model only)
22 P80/TA4OUT/U ~XMDACRST O L XM DAC reset control pin. (North American model only)
23 P77/TA3IN SELCLK O H Input Selector clock output pin
24 P76/TA3OUT SELDAT O H Input Selector data output pin
25 P75/TA2IN/~W SELSTB O H Input Selector strobe output pin
26 P74/TA2OUT/W SIRIUSRST O L Reset control output pin for Sirius
27 P73/~CTS2/~RTS2/TA1IN/~V TUXMSELA O H Tuner and XM selector control output pin A
28 P72/CLK2/TA1OUT/V TUXMSELB O H Tuner and XM selector control output pin B
29 P71/RXD2/SCL2/TA0IN/TB5IN SIRIUSRX I H SIRIUS UART receiving pin.
30 P70/TXD2/SDA2/TA0OUT SIRIUSTX O H SIRIUS UART sending pin.
31 P67/TXD1/SDA1 FTXD O H Port for flash writer.
32 P66/RXD1/SCL1 FRXD I H Port for flash writer.
33 P65/CLK1 FCLK O CLK Port for flash writer.
34 P64/~CTS1/~RTS1/~CTS0/CLK
S
FBUSY O H Port for flash writer.
35 P63/TXD0/SDA0 XMSRTXD O H Data sending pin for XM IC.
36 P62/RXD0/SCL0 XMSRRXD I H Data receiving pin for XM IC.
37 P61/CLK0 ~XMRST O L XM IC reset control pin.
38 P60/~CTS0/~RTS0 I L Not used.
39 P57/~RDY/CLKOUT I L Not used.
40 P56/ALE I L Not used.
41 P55/~HOLD ~FEPM I H Port for flash writer.
42 P54/~HLDA I L Not used.
43 P53/BCLK PLLSCL O CLK Clock output pin for tuner pack,
44 P52/~RD PLLSDA I/O H Data output pin for tuner pack.
45 P51/~WRH/~BHE I L Not used.
46 P50/~WRL/~WR ~FCE I H Port for flash writer.
47 P47/~CS3 AMUT O H Audio muting control output pin.
48 P46/~CS2 Z2MUT O H Not used.
49 P45/~CS1 I L Not used.
50 P44/~CS0 SPRLA O H Speaker relay A control output pin.
51 P43/A19 SPRLB O H Speaker relay B control output pin.
52 P42/A18 DIRECT O H Direct relay control output pin
53 P41/A17 VOLOUT1 O H Volume motor driver control output pin 1
54 P40/A16 VOLOUT2 O H Volume motor driver control output pin 2
55 P37/A15 I L Not used.
56 P36/A14 I L Not used.
57 P35/A13 APOWER O H Power supply control output pin.
58 P34/A12 ~POFF2 I L Not used.
59 P33/A11 I L Not used.
60 P32/A10 I L Not used.
L20 P82/~INT0 ~XMREQERR I