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UPD780021AYGK-XXX-9ET PDF预览

UPD780021AYGK-XXX-9ET

更新时间： 2024-01-22 00:02:58
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其他 - ETC 微控制器外围集成电路时钟
页数 文件大小 规格书
70页 503K
描述
Microcontroller

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UPD780021AYGK-XXX-9ET 数据手册

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DATA SHEET  
MOS INTEGRATED CIRCUIT  
µPD780021A, 780022A, 780023A, 780024A,  
780021AY, 780022AY, 780023AY, 780024AY  
8-BIT SINGLE-CHIP MICROCONTROLLERS  
DESCRIPTION  
The µPD780021A, 780022A, 780023A, and 780024A are members of the µPD780024A Subseries of the 78K/0  
Series. Only selected functions of the existing µPD78054 Subseries are provided, and the serial interface is enhanced.  
The µPD780021AY, 780022AY, 780023AY, and 780024AY are the µPD780024A Subseries with a multimaster  
supporting I2C bus interface, which makes them suitable for AV equipment.  
Flash memory versions, the µPD78F0034A and 78F0034AY, that can operate in the same power supply voltage  
range as the mask ROM versions, and various development tools, are also supported.  
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before  
designing.  
µPD780024A, 780034A, 780024AY, 780034AY  
Subseries User’s Manual:  
U14046E  
U12326E  
78K/0 Series User’s Manual Instructions:  
FEATURES  
•
Internal ROM and RAM  
Item Program Memory  
(Internal ROM)  
Data Memory  
Package  
Part Number  
(Internal High-Speed RAM)  
µPD780021A, 780021AY  
µPD780022A, 780022AY  
µPD780023A, 780023AY  
µPD780024A, 780024AY  
8 KB  
16 KB  
24 KB  
32 KB  
512 bytes  
• 64-pin plastic SDIP (19.05mm (750))  
• 64-pin plastic QFP (14 × 14)  
1024 bytes  
• 64-pin plastic TQFP (12 × 12)  
•
•
•
•
•
External memory expansion space: 64 KB  
Minimum instruction execution time: 0.24 µs (@ fx = 8.38 MHz operation)  
I/O ports: 51 (N-ch open-drain 5 V withstand voltage: 4)  
8-bit resolution A/D converter: 8 channels (AVDD = 1.8 to 5.5 V)  
Serial interface: 3 channels  
•
•
µPD780021A, 780022A, 780023A, 780024A: UART mode, 3-wire serial I/O mode (2 channels)  
µPD780021AY, 780022AY, 780023AY, 780024AY: UART mode, 3-wire serial I/O mode, I2C bus mode  
•
•
Timer: 5 channels  
Power supply voltage: VDD = 1.8 to 5.5 V  
APPLICATIONS  
Telephones, household electrical appliances, pagers, AV equipment, car audios, office automation equipment, etc.  
The information in this document is subject to change without notice. Before using this document, please  
confirm that this is the latest version.  
Not all devices/types available in every country. Please check with local NEC representative for  
availability and additional information.  
Document No. U14042EJ3V0DS00 (3rd edition)  
Date Published December 2000 N CP(K)  
Printed in Japan  
The mark  
shows major revised points.  
1999, 2000  
©
1234567...70

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