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MPD789322GB-XXX-8ET PDF预览

MPD789322GB-XXX-8ET

更新时间: 2024-11-08 22:11:51
品牌 Logo 应用领域
日电电子 - NEC 微控制器
页数 文件大小 规格书
96页 467K
描述
8-BIT SINGLE-CHIP MICROCONTROLLER

MPD789322GB-XXX-8ET 数据手册

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PRELIMINARY PRODUCT INFORMATION  
MOS INTEGRATED CIRCUIT  
µPD789322,789324,789326,789327  
8-BIT SINGLE-CHIP MICROCONTROLLER  
The µPD789322, 789324, 789326, and 789327 are µPD789327 Subseries (designed for remote controller with on-  
chip LCD) product in the 78K/0S Series.  
In addition to an 8-bit CPU, they have on-chip hardware for a remote controller with on-chip LCD, Including a LCD  
controller/driver, a serial interface, a key return signal detection circuit, and timers with carrier generator that can  
easily output waveforms for infrared remote control.  
The µPD78F9328, a product with on-chip flash memory which can operate on the same supply voltage as for  
masked ROM products and various development tools are also under development.  
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before  
designing.  
µPD789327, 789467 Subseries User’s Manual: To be prepared  
78K/0S Series User’s Manual Instructions:  
U11047E  
FEATURES  
ROM and RAM size  
Item Program memory  
Data Memory  
Packege  
(ROM)  
Internal High-Speed  
RAM  
LCD display RAM  
Part Number  
µPD789322  
µPD789324  
µPD789326  
µPD789327  
4 K bytes  
256 bytes  
24 bytes  
52-pin plastic LQFP  
(10×10 mm)  
8 K bytes  
16 K bytes  
24 K bytes  
512 bytes  
Variable minimum instruction execution time: High speed (0.4 µs: @5.0-MHz operation with main system clock),  
low speed (1.6 µs: @5.0-MHz operation with main system clock), and ultra low speed (122 µs: @32.768-kHz  
operation with subsystem clock)  
I/O ports: 21  
Serial interface (3-wire serial I/O mode): 1 channel  
LCD controller/driver  
Segment signals: 24  
Common signals: 4  
Timer: 4 channels  
Supply voltage: VDD = 1.8 to 5.5 V  
APPLICATIONS  
Remote-control devices, healthcare equipment, etc.  
The information contained in this document is being issued in advance of the production cycle for the  
device. The parameters for the device may change before final production or NEC Corporation, at its own  
discretion, may withdraw the device prior to its production.  
Not all devices/types available in every country. Please check with local NEC representative for  
availability and additional information.  
Document No. U14673EJ1V0PM00 (1st edition)  
Date Published March 2000 NS CP(K)  
Printed in Japan  
2000  

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