UPD78F4046 Datasheet PDF - NEC
Part Number | UPD78F4046 | |
Description | 16-BIT SINGLE-CHIP MICROCONTROLLER | |
Manufacturers | NEC | |
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MOS INTEGRATED CIRCUIT
µPD78F4046
16-BIT SINGLE-CHIP MICROCONTROLLER
DESCRIPTION
The µPD78F4046 is a product of the µPD784046 Subseries in the 78K/IV Series.
The µPD78F4046 has flash memory in place of the internal ROM of the µPD784046. The incorporation of flash
memory allows a program to be written or erased while mounted on the target board.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
µPD784046 Subseries User’s Manual Hardware: U11515E
78K/IV Series User’s Manual Instruction:
U10905E
FEATURES
• 78K/IV Series
• Pin compatible with µPD784044, 784046 (except VPP pin)
• Flash memory: 64 KB
• Internal RAM: 2048 bytes
• Operable with the same supply voltage as that of the mask ROM version: VDD = 4.5 to 5.5 V
APPLICATIONS
• Water heaters, vending machines, etc.
• FA fields such as robots, automated machine tools, etc.
ORDERING INFORMATION
Part Number
µPD78F4046GC-3B9
Package
80-pin plastic QFP (14 × 14 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.
Document No. U11447EJ2V0DS00 (2nd edition)
Date Published August 2000 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1996, 2000
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µPD78F4046
1. DIFFERENCES AMONG µPD784046 SUBSERIES
The only difference between the µPD784044 and µPD784046 is the internal memory capacity.
The µPD78F4046 is a version of the µPD784046 with the internal ROM replaced by flash memory.
The differences are shown in Table 1-1.
Table 1-1. Differences Among µPD784046 Subseries
Item
Part Number
Internal ROM
Internal RAM
Function of pin 57
µPD784044
32 KB
(mask ROM)
1024 bytes
MODE
µPD784046
64 KB
(mask ROM)
2048 bytes
µPD78F4046
64 KB
(flash memory)
MODE/VPP
Data Sheet U11447EJ2V0DS00
5
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Information | Total 30 Pages | |
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