參數(shù)資料
型號： HCD40C4344R
廠商： Hitachi,Ltd.
英文描述： 4-bit HMCS400-series microcomputer(4位單片微計算機(jī))
中文描述： 4位HMCS400系列微電腦（4位單片微計算機(jī)）
文件頁數(shù)： 97/100頁
文件大?。?/td> 610K
代理商： HCD40C4344R
HD404344R Series/HD404394 Series
97
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 4-kword versions
(HD404344R and HD404394). A 4-kword data size is required to change ROM data to mask
manufacturing data since the program used is for a 4-kword version.
This limitation apply to the case of using EPROM and the case of using data base.
$0000
$000F
$0010
$003F
$0040
$03FF
$0400
$0FFF
ROM 1 kwords version:
HD404341R, HD40C4341R,
HD404391
Address $0400 to $0FFF
Vector address
Zero page subroutine
(64 words)
Pattern and program
(1,024 words)
ROM 2 kwords version:
HD404342R, HD40C4342R,
HD404392
Address $0800 to $0FFF
Fill this area with all 1s
Not u
$0000
$000F
$0010
$003F
$0040
$07FF
$0800
$0FFF
Vector address
Zero page subroutine
(64 words)
Pattern and program
(2,048 words)
Not u
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