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PDF CXP1021Q Data sheet ( Hoja de datos )
| Número de pieza | CXP1021Q | |
| Descripción | System Controller for Compact Disc Players | |
| Fabricantes | Sony Corporation | |
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CXP1021Q
System Controller for Compact Disc Players
For the availability of this product, please contact the sales office.
Description
The CXP1021Q is a 4-bit single chip microcomputer
based on the SPC500 series. It incorporates
programs in firmware for CD operations. It can be
connected directly to the CDL-40 series of LSIs for
CD players, and can directly drive LCDs, in addition
to other features. It also supports the pitch control
function and can be employed in a wide range of
equipment, from deck-type CD players to radio
cassettes and portable systems.
80 pin QFP (Plastic)
Functions
• Key inputs of up to 20 keys is possible through matrix scanning. The following functions can be selected by
setting their respective keys.
•,,
PLAY/PAUSE/PLAY PAUSE keys
• STOP key
•,
•,
SKIP key; on memory input, this becomes the tune selection key
Fast forward key; speed differs during PLAY and PAUSE
• Repeat
One tune or all tunes repeat
• OPEN/CLOSE
Loading function (when deck type device is selected)
• A ←→ B
A ←→ B repeat function
• SHUFFLE
Shuffle (random) function
• PROG
Program; up to 21 tune memory, can indicate remainder
• REMAIN
Indicates single tune or all tunes remaining, up to 31 tunes
• INTRO
Fixes introscan at 10 seconds
• AUTO
Sets auto space at 4 seconds
• MUSIC calendar
Can display up to 20 tunes
• REMOTE
Enables input using NEC format remote control devices with modifiable custom codes
• 10key
Direct tune selection using keypad (remote control only)
• Syncro
Synchronization input and processing
• ×2
Double speed playback
• Battery detection
When portable mode selected, there is battery detection function
• Built-in test mode
Built-in test mode facilitates CD player auto diagnostics
• INDEX
Index search (remote control only)
• Pitch +, pitch –, pitch OFF Pitch control key for playback with varying speed
• External control output Used for on/off of the voice canceller
Recommended Combinations
• RF amplifier
• Servo signal processor
• Digital signal processor
• Pickup mechanism
CXA1571M/N/S
CXA1372AQ/AS
CXD2500BQ
KSL 2101
Structure
Silicon gate CMOS IC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E94811-ST
1 page  
CXP1021Q
Pin Description
Pin
No.
Symbol
Function
code
I/O
Description
1 PG1/SEG18 SEG18
2 PG2/SEG17 SEG17
3 PG3/SEG16 SEG16
4 SEG15
SEG15
5 SEG14
SEG14
6 SEG13
SEG13
7 SEG12
SEG12
8 SEG11
SEG11
9 SEG10
SEG10
10 SEG9
SEG9
11 SEG8
SEG8
12 SEG7
SEG7
O Connect to LCD (refer to LCD example).
13 SEG6
SEG6
14 SEG5
SEG5
15 SEG4
SEG4
16 SEG3
SEG3
17 SEG2
SEG2
18 SEG1
SEG1
19 SEG0
SEG0
20 COM3
COM3
21 COM2
COM2
22 COM1
COM1
23 COM0
COM0
24 VL
O LCD bias power supply.
25 VLC1
26 VLC2
LCD bias power supply.
27 VLC3
28 RMC
RMC
I Connect to remote control input and remote control module.
29 INT
SCOR
I SCOR input; connect to CXD2500 SCOR (63).
30 XTAL
Connected between XTAL and EXTAL when X'TAL is used.
31 EXTAL
I Connect clock (4.19MHz).
32 RST
RST
I/O Connect reset.
33 NC
No connected.
34 VDD
VDD
–5–
5 Page 
CXP1021Q
2. Key combination selection
This function can be used to reduce the number of keys needed.
(a) Selection
Selection is made through Pin 61 (KEYSEL). Selection is determined by the state of this pin immediately
after reset of the CXP1021Q.
When Pin 61 (KEYSEL) is high:
/,
/ keys are combined.
When Pin 61 (KEYSEL) is low:
/ , / keys are independent.
(b) Operation when Pin 18 (KEYSEL) is high
Key name
,
Description
Function differs depending on length of time pressed.
If the length of time pressed is:
0.5 seconds or less ·········· keys function as tune select keys ( , )
longer than 0.5 seconds ··· keys function as fast-forward, rewind keys ( ,
)
– 11 –
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet CXP1021Q.PDF ] | |
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