DTR-4.5
MICROPROCESSOR-TERMINAL DESCRIPTIONS
No. Terminal
Symbol
I/O
Act. Description
1
Vref
Vref
I
Connect to Vcc. Reference voltage input terminal for A/D converter.
2
AVcc
AVcc
I
Connect to Vcc. Power supply terminal for A/D converter.
3
P97/~ADTRG/SIN4
FLCS
O
L
Chip selector output terminal for FL tube driver
4
P96/ANEX1/SOUT4
FLSDO
O
H
Data output terminal for FL tube driver
5
P95/ANEX0/CLK4
FLCLK
O
CLK Clock output terminal for FL tube driver
6
P94/DA1/TB4IN
~FLRST
O
L
Reset signal output terminal for FL tube driver
7
P93/DA0/TB3IN
8
P92/TB2IN/SOUT3
OSDSDO
O
H
Data output terminal for on-screen display IC
9
P91/TB1IN/SIN3
OSDCS
O
H
Chip select output terminal for on-screen display IC
10 P90/TB0IN/CLK3
OSDCLK
O
CLK Clock output terminal for on-screen display IC
11 P141
12 P140
13 BYTE
BYTE
I
Connect to Vss. Change over input terminal of external data bus width.
14 CNVss
CNVss
I
Connect to Vss via a resistor. Change over terminal of processor mode.
15 P87/XCIN
16 P86/XCOUT
17 ~RESET
~RESET
I
Reset signal input terminal for microprocessor.
18 Xout
Xout
O
Oscillation circuit output terminal of main clock.
19 Vss
Vss
I
Connect to a ground terminal.
20 Xin
Xin
I
Oscillation circuit input terminal for main clock
21 Vcc1
Vcc1
I
2.7V<Vcc2
㻡
Vcc1<5.5V
22 P85/~NMI
~NMI
I
L
Connect to Vcc via a resistor.
23 P84/~INT2
REMIN
I
L
Remote control signal input terminal
24 P83/~INT1
POFF
I
L
Power failure detection input terminal
25 P82/~INT0
~VSYNC
I
L
Vertical synchronization detection input terminal
26 P81/TA4IN/~U
SYNC
I
H
Synchronization detection input terminal
27 P80/TA4OUT/U
~ISS
I
L
28 P77/TA3IN
VDSTB
O
H
Strobe signal output terminal for video switch
29 P76/TA3OUT
VDSDO
O
H
Data output terminal for video switch
30 P75/TA2IN/~W
VDCLK
O
CLK Clock output terminal for video switch
31 P74/TA2OUT/W
32 P73/~CTS2/~RTS2/TA1IN/~V
33 P72/CLK2/TA1OUT/V
VCRST
O
H
Reset signal output terminal for Y/C separation and video converter ICs.
34 P71/RXD2/SCL2/TA0IN/TB5IN
VCSCL
I/O
H
Clock signal input/output terminal for Y/C separation and video converter ICs.
35 P70/TXD2/SDA2/TA0OUT
VCSDA
I/O
H
Data input/output terminal for Y/C separation and video converter ICs.
36 P67/TXD1/SDA1
232TX/FTXD
O
H
Data transfer terminal for RS-232C and flash writer.
37 Vcc1
Vcc1
I
2.7V<Vcc2
㻡
Vcc1<5.5V
38 P66/RXD1/SCL1
232RX/FRXD
I
H
Data received terminal for RS-232C and flash writer.
39 Vss
Vss
I
Connect to ground terminal.
40 P65/CLK1
FCLK
I
CLK Clock input terminal for flash writer
41
P64/~CTS1/~RTS1/~CTS0/CLKS1
FBUSY
I
H
Busy terminal for flash writer
42 P63/TXD0/SDA0
DIGSDO
O
H
Common data output terminal for digital section
43 P62/RXD0/SCL0
DIGSDI
I
H
Data input terminal from DSP IC
44 P61/CLK0
DIGCLK
O
CLK Common clock output terminal for digital section
45 P60/~CTS0/~RTS0
~DSPRST
O
L
Reset signal output terminal for DSDP IC
46 P137
~DSPFINT
I
H
Input terminal to inform the status change of DSP IC.
47 P136
~DSPINT
I
H
Input terminal to inform the status change of DSP IC.
48 P135
DSPFCS
O
H
Chip select output terminal of DSP IC
49 P134
DSPCS
O
H
Chip select output terminal of DSP IC
50 P57/~RDY/CLKOUT
DIRRST
O
L
Reset signal output terminal of DIR IC
51 P56/ALE
DIRCS
O
L
Chip select output terminal for DIR IC
52 P55/~HOLD
~FEPM
I
L
Connect to ground terminal via resistor. Setting terminal of flash writer.
53 P54/~HLDA
(DIRSDI)
I
H
Data input terminal of DIR IC
54 P133
DIRINT
I
H
Unlock detection terminal of DIR IC
55 P132
56 P131
ADCRST
O
L
Reset input terminal for multi channel A/D converter
57 P130
58 P53/BCLK
FSWCLK
O
CLK Clock signal output terminal of function switch
59 P52/~RD
FSWDAT
O
H
Data output terminal of function switch
60 P51/~WRH/~BHE
FSWSTB
O
H
Strobe signal output terminal of function switch
61 P50/~WRL/~WR
~FCE
I
L
Connect to Vcc2 terminal via resistor. Setting terminal of flash writer.
62 P127
Z2BDDAT
O
H
Data output terminal to volume and tone control IC for zone 2.
63 P126
Z2BDCLK
O
H
Clock output terminal to volume and tone control IC for zone 2.
64 P125
Z2BDMUT
O
H
Muting signal output terminal to volume and tone control IC for zone 2.
