HD404816FS datasheet(98/100 Pages) RENESAS

tên linh kiện	HD404816FS

Giải thích chi tiết về linh kiện	4-Bit Single-Chip Microcomputer

PDF	100 Pages

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nhà sản xuất	RENESAS [Renesas Technology Corp]

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HD404818 Series

Notes on ROM Out

Please pay attention to the following items regarding ROM out.

On ROM out, fill the ROM area indicated below with 1s to create the same data size as an 8-kword version

(HD404818 and HD40L4818). An 8-kword data size is required to change ROM data to mask

manufacturing data since the program used is for an 8-kword version.

This limitation applies when using an EPROM or a data base.

Vector address

Zero-page

subroutine

(64 words)

Pattern & program

(2,048 words)

Not used

Vector address

Zero-page

subroutine

(64 words)

Pattern

(4,096 words)

Not used

ROM 2-kword version:

HD404812, HD40L4812

Address $0800–$1FFF

ROM 6-kword version:

HD404816, HD40L4816

Address $1800–$1FFF

$0000

$000F

$0010

$003F

$0040

$07FF

$0800

$0000

$000F

$0010

$003F

$0040

$17FF

$1800

$1FFF

Fill this area with 1s

Vector address

Zero-page

subroutine

(64 words)

Pattern & program

(4,096 words)

Not used

ROM 4-kword version:

HD404814, HD40L4814

Address $1000–$1FFF

$0000

$000F

$0010

$003F

$0040

$0FFF

$1000

$1FFF

Program

(6,144 words)

$0FFF

$1000

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