TX-8522
MICROPROCESSOR-TERMINAL DESCRIPTION 2
No. Terminal Signal Name I/O Act. Description
61 P31/A09 I L Not used.
62 VCC2 Vcc2 Power supply pin.
63 P30/A8(/-/D7) SEC1H O H Bias selector control pin. (North American model only)
64 VSS Vss Ground pin.
65 P27/AN27/A7(/D7/D6) PROTECT I H Abnormal voltage and current detection input pin
66 P26/AN26/A6(/D6/D5) VOLH I A/D Output signal level detection pin
67 P25/AN25/A5(/D5/D4) THERMAL I A/D Thermal detection input pin.
68 P24/AN24/A4(/D4/D3) INIT3 I A/D Initializing input pin 3
69 P23/AN23/A3(/D3/D2) INIT2 I A/D Initializing input pin 2
70 P22/AN22/A2(/D2/D1) INIT1 I A/D Initializing input pin 1
71 P21/AN21/A1(/D1/D0) BAND I A/D Band setting input pin
72 P20/AN20/A0(/D0/-) ~SYSOUT O L System code output pin
73 P17/D15/~INT5 SYSIN I H System code input pin
74 P16/D14/~INT4 ~IRIN I L IR signal input pin
75 P15/D13/~INT3 ~REMIN I L Signal input pin from remote controller.
76 P14/D12 ~STEREO I L FM stereo detection input pin
77 P13/D11 ~SD I L Broadcast detection input pin
78 P12/D10 I L Not used.
79 P11/D9 I L Not used.
80 P10/D8 I L Not used.
81 P07/AN07/D7 O L Not used.
82 P06/AN06/D6 LEDZONE2 O H Not used.
83 P05/AN05/D5 LEDPURE O H Pure Audio indicator control output pin
84 P04/AN04/D4 ~LEDSTBY O L STANDBY indicator control output pin
85 P03/AN03/D3 FLDSDO O H FL tube driver data output pin
86 P02/AN02/D2 FLDCLK O CLK FL tube driver clock output pin
87 P01/AN01/D1 ~FLDCS O L FL tube driver chip select output pin
88 P00/AN00/D0 ~FLDRST O L Reset signal output pin for FL tube driver
89 P107/AN7/~KI3 ~KEYINT3 I L Operation key interrupter input pin 3
90 P106/AN6/~KI2 ~KEYINT2 I L Operation key interrupter input pin 2
91 P105/AN5/~KI1 ~KEYINT1 I L Operation key interrupter input pin 1
92 P104/AN4/~KI0 ~KEYINT0 I L Operation key interrupter input pin 0
93 P103/AN3 KEY3 I L Operation key input pin 3
94 P102/AN2 KEY2 I A/D Operation key input pin 2
95 P101/AN1 KEY1 I A/D Operation key input pin 1
96 AVSS AVss Ground pin.
97 P100/AN0 KEY0 I A/D Operation key input pin 0
98 Vref Vref Reference voltage pin
99 AVcc AVcc Power supply pin.
100 P97/~ADTRG/SIN4 I L Not used.
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