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UPD789314 fiches techniques PDF

NEC - 8-BIT SINGLE-CHIP MICROCONTROLLER

Numéro de référence UPD789314
Description 8-BIT SINGLE-CHIP MICROCONTROLLER
Fabricant NEC 
Logo NEC 





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UPD789314 fiche technique
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD789304, 789306, 789314, 789316
8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD789304, 789306, 789314, and 789316 belong to the µPD789306, 789316 Subseries (for LCD drivers) in
the 78K/0S Series.
Flash memory versions (µPD78F9306, 78F9316) that can be operated using the same power supply voltage as
mask ROM versions are available, along with various development tools.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
µPD789306, 789316 Subseries User’s Manual: U14800E
78K/0S Series User’s Manual Instructions:
U11047E
FEATURES
ROM and RAM capacities
Part Number
µPD789304, 789314
µPD789306, 789316
Item
Program Memory (ROM)
8 KB
16 KB
Data Memory
Internal High-Speed RAM
LCD Display RAM
512 bytes
24 bytes
Main system clock
Ceramic/crystal oscillation: µPD789304, 789306
RC oscillation:
µPD789314, 789316
I/O ports: 23
Serial interface: 2 channels
Switchable between 3-wire serial I/O mode and UART mode: 1 channel
3-wire serial I/O mode:
1 channel
LCD controller/driver
Segment signals: 24, common signals: 4
Timer: 5 channels
Power supply voltage: VDD = 1.8 to 5.5 V
APPLICATIONS
Remote control devices, healthcare 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. U14384EJ1V0DS00 (1st edition)
Date Published March 2001 N CP(K)
Printed in Japan
The mark shows major revised points.
©
11999996, 1999

PagesPages 30
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