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CXP1042Q Arkusz danych(PDF) 6 Page - Sony Corporation

Numer części CXP1042Q
Szczegółowy opis  System Controller for Compact Disc Players
Download  28 Pages
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Producent  SONY [Sony Corporation]
Strona internetowa  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXP1042Q Arkusz danych(HTML) 6 Page - Sony Corporation

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CXP1042Q
51
52
53
54
55
56
57
58
59
60
61
62
63
64
COM3
COM2
COM1
COM0
VLC1
VLC2
VLC3
VDD
VL
XTAL
EXTAL
RST
WP
INT1
COM3
COM2
COM1
COM0
VDD
XTAL
EXTAL
Reset
RMC
O
O
O
O
O
I
I/O
I
I
Connect to LCD (refer to LCD example)
LCD bias power supply
VDD
LCD bias power supply
Connect to a 2MHz oscillator
Connect to a 2MHz oscillator
Connect reset
Not used (connect to Vss or VDD)
Connect to remote control input and remote control module
Pin
No.
Symbol Function code
I/O
Description
Pin No.
2507A
Symbol
Function code
I/O
Description
61
64
63
62
19
22
18
20
SPOB
XLON
SPOD
SPOA
SPOC
LIMSW
LDON
DISC OUT∗2
(OPEN)
DISC IN∗2
(CLOSE)
I
O
I
I
Limit switch input.
"L" when the pickup is at the innermost track.
LD on/off
"L": on, "H": off
At this point, switch the IC whose one driver output
functions also as spindle loading motor output.
Goes "L" when the tray is fully opened.
Goes "L" when the tray is closed.
(Mentioned here after with Pin No./Function code.)
The expansion port of the CXD2507A/2508A is used to detect the LD on/off output, limit switch input and tray
open/close input.
CXD2507A/2508A
2508A
1, ∗2
The tray switch is determined according to the state where Pin 2 (PY1/MODE) and Pin 16 (PC3/KI3) is
connected immediately after reset or not.
Connected:
DSP expansion port used
Not connected: Microcomputer port used
However, use the microcomputer port when the OPEN/Batt-E function is employed for portable mode.
The selected mute (Pin 2 (PY1/MODE) or Pin 15 (PC2/KI2)) is used to identify which of the CXD2507A or
CXD2508A is employed for DSP.
Therefore, select the suitable method for the used DSP.
CXD2508A:
DAC mute selected
CXD2507A:
DSP mute selected


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