參數(shù)資料
型號: HD404459
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系列微機(jī)(4位單片微計算機(jī))
文件頁數(shù): 6/120頁
文件大?。?/td> 692K
代理商: HD404459
HD404459 Series
6
Memory Map
ROM Memory Map
See the ROM memory map of figure 1.
Vector Address Area ($0000–$000F):
Reserved for JMPL instructions that branch to the start addresses
of the reset and interrupt routines. After MCU reset or an interrupt, program execution continues from the
vector address.
Zero-Page Subroutine Area ($0000–$003F):
Reserved for subroutines. The program branches to a
subroutine in this area in response to the CAL instruction.
Pattern Area ($0000–$0FFF):
Contains ROM data that can be referenced with the P instruction.
Program Area ($0000–$1FFF for HD404458, $0000–$3FFF for HD404459/HD4074459):
Used for
program coding.
Vector address
Zero-page subroutine
(64 words)
Pattern
(4,096 words)
HD404458 program
(8,192 words)
HD404459, HD4074459 program
(16,384 words)
$0000
$000F
$0010
$0FFF
$1000
$1FFF
$2000
$3FFF
$003F
$0040
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
JMPL instruction
(jump to RESET,
STOPC
routine)
JMPL instruction
(jump to
INT
routine)
JMPL instruction
(jump to timer D routine)
JMPL instruction
(jump to timer A, INT
2
routine)
JMPL instruction
(jump to timer B, INT
3
routine)
JMPL instruction
(jump to timer C, serial routine)
JMPL instruction
(jump to wakeup routine)
JMPL instruction
(jump to
INT
routine)
0
1
Figure 1 ROM Memory Map
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404459H 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-bit HMCS400-series microcomputers
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