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MAIN MICROPROCESSOR TERMINAL DESCRIPTION-2
Q701 : uPD784225GC
No. PIN NAME
55 P123/RTP3
56 P124/RTP4
57 P125/RTP5
58 P126/RTP6
59 P127/RTP7
60 ~RESET
61 P00/INTP0
62 P01/INTP1
63 P02/INTP2/NMI
64 P03/INTP3
65 P04/INTP4
66 P05/INTP5
67 Vss0
68 Vdd1
69 X2
70 X1
71 TEST/Vpp
72 XT2
73 XT1
74 Vdd0
75 AVdd
76 P10/ANI0
77 P11/ANI1
78 P12/ANI2
79 P13/ANI3
80 P14/ANI4
PIN LAYOUT
GND
-->
-->
GND
GND
-->
-->
GND
<--
<--
-->
+5V
RXD
-->
<--
TXD
GND
-->
MSI
-->
MSO
<--
~ MSCK
<--
<--
DOUT
SUBRST
<--
-->
SUBSO
SUBSI
<--
SUBCL
<--
<--
CDSUBQ
~CDCOM
<--
SIGNAL NAME I/O DESCRIPTION
DACEMPHASYS O The de-emphasis control terminal of DAC. H=De-emphasis ON/L=OFF
O Not used. Open pin.
O Not used. Open pin.
SYSIN
I
RI system code input pin.
SYSOUT
O RI system code output pin.
RESET
Reset pin of microprocessor.
EXIRIN
I
External IR input pin.
POFF
I
Power failure detection terminal. L=Power failure
MP3INTB
I
The interruption signal input terminal from MP3 decode.
SCORI
I
The sub code detection terminal of the signal processing IC.
SUBREQ
I
The communication ready signal input terminal from sub microprocessor.
MP3FSYNC
I
FSYNC signal input pin from MP3 decoder.
GND
I
GND
+5V
I
Power supply pin.
CLOCK
O Clock signal output pin. (12.5MHz OSCO)
CLOCK
I
Clock signal input pin. (12.5MHz OSC)
GND
I
Flash ROM write-in voltage pin.
O Not used. Open pin.
GND
I
Not used. To connect GND pin.
+5V
I
Power supply pin.
+5V
I
Power supply pin for A/D port.
MODEL
I
Model name select pin. 0V=DX-C390/+5V=Other model
TIMING
I
The brake timing setting terminal of roulette. (0V=0msec
GND
I
Not used. To connect GND pin.
GND
I
Not used. To connect GND pin.
GND
I
Not used. To connect GND pin.
P15/ANI5
1
P16/ANI6
2
P17/ANI7
3
AVss
4
P130/ANO0
5
P131/ANO1
6
AVref1
7
P70/SI2/RxD2
8
uPD784225GC
P71/SO2/TxD2
9
P72/~SCK2/ASCK2
10
P20/SI1/RxD1
11
P21/SO1/TxD1
12
P22/~SCK1/ASCK1
13
P23/PCL
14
P24/BUZ
15
P25/SI0/SDA0
16
P26/SO0
17
P27/~SCK0/SCL0
18
P40/AD0
19
P41/AD1
20
+5V=64msec)
~RESET
---
~RESET
60
-->
P127/RTP7
~SYSOUT
59
P126/RTP6
<--
SYSIN
58
-->
P125/RTP5
57
P124/RTP4
-->
56
-->
DACEMPHASYS
P123/RTP3
55
-->
P122/RTP2
DACMUT
54
P121/RTP1
<--
EEPROMDO
53
-->
P120/RTP0
EEPROMDI
52
P37/EXA
-->
EEPROMCLK
51
-->
EEPROMCS
P36/TIO1
50
P35/TIO0
-->
~DITPD
49
P34/TI2
-->
DITCE
48
-->
P33/TI1
DITCL
47
P32/TO2
-->
DITDO
46
<--
P31/TO1
DITDI
45
P30/TO0
-->
44
-->
P67/ASTB
43
-->
P66/~WAIT
~LOADINGR
42
P65/~WR
-->
~LOADINGL
41
DX-C34
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