Yamaha CDC-585 Service Manual page 19

QQ
3 7 63 1515 0
µ
IC301 : PD78P076GF-3BA
µ
8bit -COM
No.
Port
P13/ANI3
28
29 P14/ANI4
P15/ANI5
30
P16/ANI6
31
32 P17/ANI7
AVSS
33
34 P130/ANO0
35 P131/ANO1
AVREF1
36
37 P70/S12/RXD
P71/SO2/TXD
38
P72/SCK2/ASCK
39
40 VSS
P20/SI1
41
42 P21/SO1
43 P22/SCK1
P23/STB
44
45 P24/BUSY
P25/SI0/SB0
46
P26/SO0/SB1
47
48 P27/SCK0
P80/A0
49
TE
L 13942296513
P81/A1
50
51 P82/A2
P83/A3
52
53 P84/A4
P85/A5
54
P86/A6
55
56 P87/A7
P40/AD0
57
P41/AD1
58
59 P42/AD2
P43AD3
60
61 P44/AD4
P45/AD5
62
P46/AD6
63
64 P47/AD7
P50/A8
65
P51/A9
66
67 P52/A10
P53/A11
68
69 P54/A12
70 P55/A13
VSS
71
72 P56/A14
P57/A15
73
www
P60
74
75 P61
P62
76
.
77 P63
78 P64/RD
P65/WR
79
80 P66/WAIT
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Name I/O
N.C.
I/O EEPROM
O EEPROM CLOCK
N.C.
AVSS GND
N.C.
AN8849 gain control.
GCTRL O
+5V
SUBQ I Serial I/F input (SUBQ)
I Status signal input from MN35511.
STAT
SQCK O Serial I/F clock (SQCK)
GND
VSS
SUBC I Serial I/F input (CD TEXT)
N.C.
Serial I/F clock (CD TEXT)
SBCK2 O
MLD O MN35511 chip select
SENSE I MN35511 sense input
N.C.
MDATA O Serial I/F output (MDATA/FL driver/EEPROM)
MCLK O Serial I/F clock (MCLK/FL driver/EEPROM)
O EEPROM chip select
CS
CE O FL driver chip select
FL driver reset
BLK O
N.C.
N.C.
O Feed servo off signal output.
FEED OFF
N.C.
O
KD4
KD3 O
Key scan
KD2 O
KD1 O
KD0 O
N.C.
VSS GND
N.C.
N.C.
K4 I
x ao u163
K3 I
y
K2 I Key detect
i
K1 I
K0 I
N.C.
N.C.
http://www.xiaoyu163.com
CDC-585/CDC-506/CDC-685/CDC-906
2 9
8
Function
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
20