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參數(shù)資料
| 型號： | MC68HC05P9ACDW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 14/90頁 |
| 文件大小： | 285K |
| 代理商： | MC68HC05P9ACDW |
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GENERAL RELEASE SPECIFICATION
MC68HC05P9A
MEMORY
MOTOROLA
Rev. 2.0
2-3
2.1
ROM
The user ROM consists of 48 bytes of page zero ROM from $0020 to $004F, 2048
bytes of ROM from $0100 to $08FF, and 16 bytes of user vectors from $1FF0 to
$1FFF. The self-check ROM and vectors are located from $1F00 to $1FEF.
2.2
ROM Security Feature
A security feature has been incorporated into the MC68HC05P9A to help prevent
external reading of code in the ROM. Placing unique customer code at ROM
locations $0028-$002F aids in keeping customer developed software proprietary.
2.3
RAM
The user RAM consists of 128 bytes of a shared stack area. The stack begins at
address $00FF. The stack pointer can access 64 bytes of RAM in the range
$00FF to $00C0.
NOTE
Using the stack area for data storage or temporary work locations
requires care to prevent it from being overwritten due to stacking
from an interrupt or subroutine call.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05P9ACP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
| MC68HC05P9ADW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
| MC68HC05P9AMDW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
| MC68HC05P9AMP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
| MC68HC05P9AP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
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