UPD789304 Datasheet, PDF (1/64 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

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)
The mark shows major revised points.
Date Published March 2001 N CP(K)
Printed in Japan
©
11999996, 1999