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參數(shù)資料
| 型號(hào)： | HD4074618TF |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-Bit Single-Chip Microcomputer |
| 中文描述： | 4位單片機(jī) |
| 文件頁(yè)數(shù)： | 8/89頁(yè) |
| 文件大小： | 358K |
| 代理商： | HD4074618TF |
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HD404618 Series
8
Memory Map
ROM Memory Map
The ROM memory map is shown in figure 1, and the ROM is described below.
0
15
16
63
64
4095
4096
8191
8192
16383
0
1
2
3
4
5
6
7
8
9
$000F
$0010
$0FFF
$1000
$1FFF
$2000
$3FFF
$003F
$0040
Vector address
Zero-page subroutine
(64 words)
Pattern
(4096 words)
Not used
10
11
12
13
14
15
$0000
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
JMPL instruction
(jump to reset routine)
JMPL instruction
(jump to
INT
routine)
0
JMPL instruction
(jump to timer A routine)
1
JMPL instruction
(jump to timer B routine)
JMPL instruction
(jump to timer C routine)
JMPL instruction
(jump to serial routine)
JMPL instruction
(jump to
INT
routine)
*
HD404612: 2048 words
HD404614: 4096 words
HD404616: 6144 words
HD404618, HD4074618: 8192 words
Program
*
Note:
Figure 1 ROM Memory Map
Vector Address Area ($0000–$000F):
Reserved for JMPL instructions that branch to the start addresses
of the reset and interrupt routines. After an MCU reset or interrupt execution, the program starts 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–$07FF (HD404612), $0000–$0FFF (HD404614), $0000–$17FF (HD404616),
$0000–$1FFF (HD404618, HD4074618)):
Used for program coding.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD4074629 | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:AS Microcomputer Incorporating a DTMF Generator Circuit |
| HD4074629F | 制造商:Renesas Electronics Corporation 功能描述: |
| HD4074629FS | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
| HD4074629H | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
| HD4074629TF | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:4-Bit Microcontroller |
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