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MPD789322 Datasheet(PDF) 1 Page - NEC |
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MPD789322 Datasheet(HTML) 1 Page - NEC |
1 / 96 page 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. MOS INTEGRATED CIRCUIT µµµµPD789322,789324,789326,789327 8-BIT SINGLE-CHIP MICROCONTROLLER Document No. U14673EJ1V0PM00 (1st edition) Date Published March 2000 NS CP(K) Printed in Japan PRELIMINARY PRODUCT INFORMATION 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. µµµµPD789327, 789467 Subseries User’s Manual: To be prepared 78K/0S Series User’s Manual Instructions: U11047E FEATURES • ROM and RAM size Data Memory Item Part Number Program memory (ROM) Internal High-Speed RAM LCD display RAM Packege µPD789322 4 K bytes µPD789324 8 K bytes 256 bytes µPD789326 16 K bytes µPD789327 24 K bytes 512 bytes 24 bytes 52-pin plastic LQFP (10×10 mm) • 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. 2000 |
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