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UPD780021AGK-XXX-9ET-A

更新时间： 2024-11-21 13:01:03
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日电电子 - NEC 微控制器
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UPD780021AGK-XXX-9ET-A 数据手册

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DATA SHEET  
µPD780021A, 780M02O2SAI,N7T8E0G0R2A3TAE,D78C0IR0C2U4AIT  
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, 78F0034B, 78F0034AY, and 78F0034BY, that can operate in the same  
power supply voltage range as the mask ROM versions, and various development tools, are also available.  
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 Instructions User’s Manual:  
FEATURES  
•
Internal ROM and RAM  
Item Program Memory  
(Internal ROM)  
Data Memory  
(Internal High-Speed RAM)  
Package  
Part Number  
µPD780021A, 780021AY  
µPD780022A, 780022AY  
8 KB  
512 bytes  
• 64-pin plastic SDIP (19.05 mm (750))  
16 KB  
• 64-pin plastic QFP (14 x 14)  
• 64-pin plastic LQFP (14 x 14)  
µPD780023A, 780023AY  
µPD780024A, 780024AY  
24 KB  
32 KB  
1024 bytes  
• 64-pin plastic TQFP (12 x 12)  
• 64-pin plastic LQFP (10 x 10)  
• 73-pin plastic FBGA (9 x 9)  
•
•
External memory expansion space: 64 KB  
Minimum instruction execution time  
• Expanded-specification products of µPD780021A, 780022A, 780023A, 780024A: 0.166 µs (fX = 12 MHz, VDD  
= 4.5 to 5.5 V)  
• µPD780021AY, 780022AY, 780023AY, 780024AY and conventional products of µPD780021A, 780022A,  
780023A, 780024A: 0.238 µs (fX = 8.38 MHz, VDD = 4.0 to 5.5 V)  
I/O ports: 51 (N-ch open-drain (5 V withstanding 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  
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 products and/or types are available in every country. Please check with an NEC Electronics  
sales representative for availability and additional information.  
Document No. U14042EJ4V0DS00 (4th edition)  
Date Published December 2002 N CP(K)  
Printed in Japan  
The mark  
shows major revised points.  
©
1234567...96

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 		Microcontroller, 8-Bit, MROM, 12MHz, CMOS, PQFP52, 10 X 10 MM, PLASTIC, LQFP-52
UPD780021ASGB-XXX-8ET RENESAS

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 		8-BIT, MROM, 12MHz, MICROCONTROLLER, PQFP52, 10 X 10 MM, PLASTIC, LQFP-52
UPD780021ASGB-XXX-8ET-A NEC

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 		Microcontroller, 8-Bit, MROM, 12MHz, CMOS, PQFP52, 10 X 10 MM, LEAD FREE, PLASTIC, LQFP-52
UPD780021AY NEC

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 		8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD780021AYCW(A)-XXX NEC

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 		Microcontroller, 8-Bit, MROM, 12MHz, MOS, PDIP64, 0.750 INCH, PLASTIC, SDIP-64
UPD780021AYCW-XXX RENESAS

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 		8-BIT, MROM, 8.38MHz, MICROCONTROLLER, PDIP64, 0.750 INCH, PLASTIC, SDIP-64
UPD780021AYGB(A)-XXX-8EU RENESAS

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 		8-BIT, MROM, 8.38MHz, MICROCONTROLLER, PQFP64, 10 X 10 MM, PLASTIC, LQFP-64
UPD780021AYGB(A)-XXX-8EU NEC

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 		Microcontroller, 8-Bit, MROM, 12MHz, MOS, PQFP64, 10 X 10 MM, PLASTIC, LQFP-64
UPD780021AYGB(A)-XXX-8EU-A NEC

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 		Microcontroller, 8-Bit, MROM, 12MHz, MOS, PQFP64, 10 X 10 MM, PLASTIC, LQFP-64

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