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.
