Pioneer CDX-P670EW Manuale di servizio - Pagina 48
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CDX-P670
Pin No.
Pin Name
65–68
A6-A3
69
A10
70
A2 & (EPSK)
71
A1 & (EPDI)
72
A0 & (EPDO)
asensfm
73
ejsw
74
mag
75
76
CDMUTE
77
NC
78
I13
79
I2
80
I4
81–88
D0-D7
89,90
NC
91
DSP
disk
92
93
ELVPVO
94
ELVREF
95
TRP
96
AVSS
97
VDIN
98
VREF
99
AVCC
100
EPCS
*PD5638A
80
81
100
1
LC35256FT-70U
A0-A14 : Address input
IO1-IO8 : Data input/output
CS: Chip select
48
I/O
Format
Function and Operation
O
C
SRAM address bus output
O
C
SRAM address bus output
O
C
SRAM address bus output and (E2PROM clock output)
O/I
C
SRAM address bus output and (E2PROM data input)
O
C
SRAM address bus output and (E2PROM data output)
I
Pull up
I
Eject key switch interrupt input
I
Magazine lock switch interrupt input
O
C
CD mute output
Not used
O
C
Motor driver control output
O
C
Motor driver control output
O
C
Motor driver control output
I/O
C
SRAM data bus input/output
Not used
I
DISC detect timing input
Disc detector input
Voltage input from ELV position sense
ELV reference voltage input
I
Tray position input
A/D GND
Power supply short sensor input
I
A/D converter reference voltage input
A/D VCC
I/O
C
E2PROM detect input , Chip select output
51
50
31
30
OE : Output enable
WE : Write enable
VDD : Power supply
GND : GND
Format
C
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
TC7SH32F
1 IN B
2 IN A
3 GND
Meaning
C MOS
5 VCC
4 OUT Y