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MICROPROCESSOR-TERMINAL DESCRIPTION 1
No. Terminal
1
P96/ANEX1/SOUT4
2
P95/ANEX0/CLK4
3
P94/DA1/TB4IN
4
P93/DA0/TB3IN
5
P92/TB2IN/SOUT3
6
P91/TB1IN/SIN3
7
P90/TB0IN/CLK3
8
BYTE
9
CNVSS
10
P87/XCIN
11
P86/XCOUT
12
~RESET
13
XOUT
14
VSS
15
XIN
16
VCC1
17
P85/~NMI
18
P84/~INT2
19
P83/~INT1
20
P82/~INT0
21
P81/TA4IN/~U
22
P80/TA4OUT/U
23
P77/TA3IN
24
P76/TA3OUT
25
P75/TA2IN/~W
26
P74/TA2OUT/W
27
P73/~CTS2/~RTS2/TA1IN/~V
28
P72/CLK2/TA1OUT/V
29
P71/RXD2/SCL2/TA0IN/TB5IN SIRIUSRX
30
P70/TXD2/SDA2/TA0OUT
31
P67/TXD1/SDA1
32
P66/RXD1/SCL1
33
P65/CLK1
34
P64/~CTS1/~RTS1/~CTS0/CLKS FBUSY
35
P63/TXD0/SDA0
36
P62/RXD0/SCL0
37
P61/CLK0
38
P60/~CTS0/~RTS0
39
P57/~RDY/CLKOUT
40
P56/ALE
41
P55/~HOLD
42
P54/~HLDA
43
P53/BCLK
44
P52/~RD
45
P51/~WRH/~BHE
46
P50/~WRL/~WR
47
P47/~CS3
48
P46/~CS2
49
P45/~CS1
50
P44/~CS0
51
P43/A19
52
P42/A18
53
P41/A17
54
P40/A16
55
P37/A15
56
P36/A14
57
P35/A13
58
P34/A12
59
P33/A11
60
P32/A10
Signal Name
I/O
Act. Description
VSWA
O
H
Not used.
VSWB
O
H
Not used.
I
L
Not used.
Z2SELCLK
O
L
Not used.
Z2SELDAT
O
H
Not used.
Z2SELLAT
O
L
Not used.
I
L
Not used.
BYTE
External bus select pin. Connect to Ground.
CNVss
Processor mode select pin
RDSDATA
I
H
RDS data input pin. European model only.
I
L
Not used. Connect to Ground.
~RESET
I
L
System reset pin.
Xout
Ceramic resonator connection pin. Connect a ceramic resonator 6.00MHz.
Vss
Ground pin.
Xin
Ceramic resonator connection pin. Connect a ceramic resonator 6.00MHz.
Vcc1
Power supply pin.
~NMI
I
L
Not used.
POFF
I
L
Power failure detection pin
I
L
Not used.
~XMREQERR
I
L
RDS clock input pin. (European model only)
XMCOMSEL
O
H
Not used.
~XMDACRST
O
L
Not used.
SELCLK
O
H
Input Selector clock output pin
SELDAT
O
H
Input Selector data output pin
SELSTB
O
H
Input Selector strobe output pin
SIRIUSRST
O
L
Reset control output pin for Sirius
TUXMSELA
O
H
Not used.
TUXMSELB
O
H
Not used.
I
H
Not used.
SIRIUSTX
O
H
Not used.
FTXD
O
H
Port for flash writer.
FRXD
I
H
Port for flash writer.
FCLK
O
CLK Port for flash writer.
O
H
Port for flash writer.
XMSRTXD
O
H
Not used.
XMSRRXD
I
H
Not used.
~XMRST
O
L
Not used.
I
L
Not used.
I
L
Not used.
I
L
Not used.
~FEPM
I
H
Port for flash writer.
I
L
Not used.
PLLSCL
O
CLK Clock output pin for tuner pack,
PLLSDA
I/O
H
Data output pin for tuner pack.
I
L
Not used.
~FCE
I
H
Port for flash writer.
AMUT
O
H
Audio muting control output pin.
Z2MUT
O
H
Not used.
I
L
Not used.
SPRLA
O
H
Speaker relay A control output pin.
SPRLB
O
H
Speaker relay B control output pin.
DIRECT
O
H
Not used.
VOLOUT1
O
H
Volume motor driver control output pin 1
VOLOUT2
O
H
Volume motor driver control output pin 2
I
L
Not used.
I
L
Not used.
APOWER
O
H
Power supply control output pin.
~POFF2
I
L
Not used.
I
L
Not used.
I
L
Not used.
TX-8222
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