HD404314H データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HD404314H

4-bit HMCS400-series microcomputer

Hitachi -> Renesas Electronics 

HD404318 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 for the HD404314 and

HD404316 as an 8-kword version

(HD404318). 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.

ROM 4-kword version:

HD404314

Address $1000–$1FFF

ROM 6-kword version:

HD404316

Address $1800–$1FFF

$0000

$000F

$0010

$003F

$0040

$0FFF

$1000

$1FFF

Vector address

Zero-page subroutine

(64 words)

Pattern & program

(4,096 words)

Not used

$0000

$000F

$0010

$003F

$0040

$17FF

$1800

$1FFF

Vector address

Zero-page subroutine

(64 words)

Pattern & program

(6,144 words)

Not used

Fill this area with 1s

64

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