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UPD78F9801GB-8ES Datasheet

  • UPD78F9801GB-8ES

  • MICROCONTROLLER|8-BIT|UPD78K0 CPU|CMOS|QFP|44PIN|PLASTIC

  • 44頁

  • ETC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD78F9801
8-BIT SINGLE-CHIP MICROCONTROLLER
The
碌
PD78F9801 is a
碌
PD789800 subseries product (for a USB keyboard (for a PC)) of the 78K/0S series.
The
碌
PD78F9801 replaces the internal masked ROM of the
碌
PD789800 with flash memory, which enables the
writing/erasing of a program while the device is mounted on the board.
Because the device can be programmed by the user, it is ideally suited to the evaluation stages of system
development, the manufacture of small batches of multiple products, and the rapid development of new products.
The functions of this microcontroller are described in the following user鈥檚 manuals. Refer to these
manuals when designing a system based on this microcontroller.
:
碌
PD789800 Subseries User鈥檚 Manual
78K/0S Series User's Manual - Instruction:
U12978E
U11047E
FEATURES
鈥?/div>
Pin-compatible with masked ROM version (excluding V
PP
pin)
鈥?/div>
Flash memory: 16K bytes
鈥?/div>
Internal high-speed RAM: 256 bytes
鈥?/div>
Operable on the same supply voltage as masked ROM version (V
DD
= 4.0 to 5.5 V)
Remark
The differences between the flash memory and masked ROM versions are summarized in
Chapter 3.
APPLICATIONS
USB keyboards
ORDERING INFORMATION
Part Number
Package
44-pin plastic QFP (10
脳
10 mm)
碌
PD78F9801GB-8ES
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. U12626EJ2V0DS00 (2nd edition)
Date Published November 2001 J CP(K)
Printed in Japan
The mark
shows major revised points.
漏
1997, 1999

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