UPD78F4938AGF 查看數據表（PDF） - NEC => Renesas Technology

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UPD78F4938AGF

16-BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

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MOS INTEGRATED CIRCUITS

µPD78F4938A

16-BIT SINGLE-CHIP MICROCONTROLLER

DESCRIPTION

The µPD78F4938A is a product in the µPD784938A Subseries in the 78K/IV Series.

The µPD78F4938A has flash memory in place of the internal ROM of the µPD784938A. The flash memory

incorporated enables program writing or erasing with the microcontroller mounted on the target board.

Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before

designing.

µPD784938A Subseries User’s Manual Hardware: U13570E

78K/IV Series User’s Manual Instructions:

U10905E

FEATURES

• Pin-compatible with mask ROM version (except VPP pin)

• Flash memory: 256 KB

• Internal RAM: 10496 bytes

• Serial interface:

4 channels

• UART/IOE (3-wire serial I/O): 2 channels (on-chip baud rate generator)

• CSI (3-wire serial I/O):

2 channels

• On-chip IEBusTM controller

• Supply voltage: VDD = 4.0 to 5.5 V (@12.58 MHz operation)

VDD = 3.0 to 5.5 V (@6.29 MHz operation)

APPLICATION

Car audio, etc.

ORDERING INFORMATION

Part Number

µPD78F4938AGF-3BA

Package

100-pin plastic QFP (14 × 20)

Internal ROM

256 KB

Internal RAM

10496 bytes

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. U14118EJ1V0DS00

Date Published March 2001 N CP(K)

Printed in Japan

©

12900919, 2001

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