Yamaha CDX-E200 Service Manual page 14

CDX-E200
IC103 : µPD78076GF-103-3BA
8bit µ-COM
No. Port
28 P13/ANI3
29 P14/ANI4
P15/ANI5
30
31 P16/ANI6
32 P17/ANI7 LDRCTL
AVSS
33
34 P130/ANO0 OP/CL
35 P131/ANO1 GCTRL
36 AVREF1
P70/S12/RXD
37
38 P71/SO2/TXD
39 P72/SCK2/ASCK
40 VSS
41 P20/SI1
42 P21/SO1
43 P22/SCK1 SBCK2
P23/STB
44
45 P24/BUSY SENSE
46 P25/SI0/SB0
47 P26/SO0/SB1 MDATA
48 P27/SCK0
49 P80/A0
50 P81/A1
P82/A2
51
52 P83/A3
53 P84/A4
54 P85/A5 FEED OFF
55 P86/A6
56 P87/A7
57 P40/AD0
P41/AD1
58
59 P42/AD2
60 P43AD3
61 P44/AD4
P45/AD5
62
63 P46/AD6
64 P47/AD7
P50/A8
65
66 P51/A9
67 P52/A10
68 P53/A11
P54/A12
69
70 P55/A13
71 VSS
72 P56/A14
73 P57/A15
74 P60
75 P61
P62
76
77 P63
78 P64/RD
79 P65/WR
80 P66/WAIT
13
Name I/O
N.C.
SDA I/O DATA port for EEPROM.
I/O
SCL DATA CLOCK for EEPROM.
N.C.
O Laser ON control
AVSS GND
O Tray open/close signal output
O Gain and APC control
N.C.
I
SUBQ Serial I/F input (SUBQ)
STAT I Status signal input from MN35511.
SQCK O Serial I/F clock (SQCK)
VSS GND
I Serial I/F input (CD TEXT)
SUBC
N.C.
O Serial I/F clock (CD TEXT)
O
MLD MN35511 chip select
I MN35511 sense input
N.C.
O Serial I/F output (MDATA/FL driver/EEPROM)
O Serial I/F clock (MCLK/FL driver/EEPROM)
MCLK
N.C.
CE O FL driver chip select
O
FLCE FL driver reset
N.C.
N.C.
O Feed servo off signal output.
N.C.
KD1 O
Key scan
O
KD0
N.C.
VSS GND
N.C.
I
K2
K1 I Key detect
K0 I
N.C.
N.C.
Function