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PDF D7566ACS Data sheet ( Hoja de datos )

Número de pieza D7566ACS
Descripción UPD7566ACS
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD7566A, 7566A(A)
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD7566A is a product of the µPD7554, 7564 sub-series which is a low-end, low-cost version of the
µPD7500 series microcomputers. This 4-bit single-chip microcomputer has fewer ports than the other products
in the µPD7500 series, in order to reduce the package size, and is especially ideal for temperature control
applications, as well as for application systems, such as air conditioners, microwave ovens, refrigerators, rice
cooker, washing machines, and cassette deck controllers. Some of the output pins for the microcomputer can
be used to directly drive triacs and LEDs.
In addition, various I/O circuits can be selected by mask options, so that the number of necessary external
circuits can be significantly reduced.
A detailed function description is provided in the following user's manual.
Be sure to read this manual when designing your system.
µPD7556, 7566 User's Manual: IEM-1111D
FEATURES
PIN CONFIGURATION (Top View)
• 45 instructions (subset of the µPD7500H SET B)
• Instruction cycle: 2.86 microseconds (700 kHz, at 5V) with
ceramic oscillator
P00/INT0
1
24 VSS
• Program memory (ROM): 1,024 words x 8 bits
• Data memory (RAM): 64 words x 4 bits
• Test sources: 1 external and 1 internal
P01/Vref
P10/Cin0
2
3
23 P91
22 P90
• 8-bit timer/event counter
P11/Cin1
4
21 P113
• 19 I/O lines (total output current: 100 mA)
. Five pins can be used to directly drive triacs and LEDS
: P80 to P82, P90 to P91
. Eight pins can be used to directly drive LEDs
P12/Cin2
P13/Cin3
P80
5
6
7
20 P112
19 P111
18 P110
: P100 to P103, P110 to P113
P81 8
17 P103
. Four comparator input pins: P10/Cin 0 to P13/Cin 3
. Mask option functions available on all ports
• Standby functions (STOP/HALT)
P82 9
CL2 10
16 P102
15 P101
• Data memory contents can be retained on a low voltage
CL1 11
14 P100
• Internal ceramic oscillator for system clock oscillation
• CMOS
VDD 12
13 RESET
• Low-power dissipation
• Single power source (2.7 to 6.0V)
APPLICATIONS
µPD7566A : Air conditioner, microwave oven, refrigerator, audio
equipment controller, etc.
µPD7566A(A) : Automotive and transportation equipments, etc.
5
The quality level and absolute maximum ratings of the µPD7566A and the µPD7566A(A) differ.
Except where specifically noted, explanations here concern the µPD7566A as a representative product.
If you are using the µPD7566A(A), use the information presented here after checking the functional
differences.
The information in this document is subject to change without notice.
Document No. IC-2478D
(O. D. No. IC-7885D)
Date Published December 1994 P
Printed in Japan
The 5 mark shows major revised points.
©
198994

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D7566ACS pdf
µPD7566A, 7566A(A)
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10. RECOMMENDED PC BOARD PATTERN FOR SOP (REFERENCE) ................................................ 47
11. RECOMMENDED SOLDERING CONDITIONS ................................................................................ 48
APPENDIX A. COMPARISON FOR µPD7566A SUB-SERIES PRODUCTS........................................... 49
APPENDIX B. DEVELOPMENT SUPPORT TOOLS ............................................................................... 50
APPENDIX C. RELATED DOCUMENTS ................................................................................................. 55
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D7566ACS arduino
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1.6 RECOMMENDED PROCESSING OF UNUSED PINS
Pin
P00/INT0
P01/Vref
P10-P13
P80-P82
P90, P91
P100-P103
P110-P113
Recommended Processing
Connect to VSS
Connect to VSS or VDD
Open
Input : Connect to VSS or VDD
Output: Open
µPD7566A, 7566A(A)
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