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MPD789322 Datasheet

  • MPD789322

  • 8-BIT SINGLE-CHIP MICROCONTROLLER

  • 96頁

  • NEC   NEC

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PRELIMINARY PRODUCT INFORMATION
MOS INTEGRATED CIRCUIT
碌
PD789322,789324,789326,789327
8-BIT SINGLE-CHIP MICROCONTROLLER
The
碌
PD789322, 789324, 789326, and 789327 are
碌
PD789327 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
碌PD78F9328,
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鈥檚 manuals. Be sure to read them before
designing.
碌
PD789327, 789467 Subseries User鈥檚 Manual: To be prepared
78K/0S Series User鈥檚 Manual Instructions:
U11047E
FEATURES
鈥?ROM and RAM size
Item
Part Number
Program memory
(ROM)
RAM
4 K bytes
8 K bytes
16 K bytes
24 K bytes
512 bytes
256 bytes
24 bytes
52-pin plastic LQFP
(10脳10 mm)
Data Memory
Internal High-Speed
LCD display RAM
Packege
碌
PD789322
碌
PD789324
碌
PD789326
碌
PD789327
鈥?Variable minimum instruction execution time: High speed (0.4
碌
s: @5.0-MHz operation with main system clock),
low speed (1.6
碌
s: @5.0-MHz operation with main system clock), and ultra low speed (122
碌
s: @32.768-kHz
operation with subsystem clock)
鈥?I/O ports: 21
鈥?Serial interface (3-wire serial I/O mode): 1 channel
鈥?LCD controller/driver
Segment signals: 24
Common signals: 4
鈥?Timer: 4 channels
鈥?Supply voltage: V
DD
= 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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