Datasheet > UPD78F9801GB-8ES

UPD78F9801GB-8ES

更新时间： 2024-02-18 14:32:10

品牌	Logo	应用领域
其他 - ETC		微控制器外围集成电路光电二极管 ISM频段时钟
页数	文件大小	规格书
44页	274K
描述
MICROCONTROLLER\|8-BIT\|UPD78K0 CPU\|CMOS\|QFP\|44PIN\|PLASTIC

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UPD78F9801GB-8ES 数据手册

DATA SHEET

MOS INTEGRATED CIRCUIT

µPD78F9801

8-BIT SINGLE-CHIP MICROCONTROLLER

The µPD78F9801 is a µPD789800 subseries product (for a USB keyboard (for a PC)) of the 78K/0S series.

The µPD78F9801 replaces the internal masked ROM of the µPD789800 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’s manuals. Refer to these

manuals when designing a system based on this microcontroller.

µPD789800 Subseries User’s Manual

U12978E

78K/0S Series User's Manual - Instruction: U11047E

FEATURES

• Pin-compatible with masked ROM version (excluding V^PPpin)

• Flash memory: 16K bytes

• Internal high-speed RAM: 256 bytes

• 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

µPD78F9801GB-8ES

44-pin plastic QFP (10 × 10 mm)

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.

The mark

shows major revised points.

Document No. U12626EJ2V0DS00 (2nd edition)

Date Published November 2001 J CP(K)

Printed in Japan

1997, 1999

12 3 4 5 6 7...44

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