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參數(shù)資料
| 型號(hào)： | MC68HC05RC8P |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁(yè)數(shù)： | 47/122頁(yè) |
| 文件大?。?/td> | 2962K |
| 代理商： | MC68HC05RC8P |
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Memory
General Release Specification
MC68HC05RC16 — Rev. 3.0
Memory
2.3.1 ROM
The user ROM consists of 15,920 bytes of ROM located from $0180 to
$3FAF and 16 bytes of user vectors located from $3FF0 to $3FFF.
The burn-in ROM is located from $3FB0 to $3FEF.
Ten of the user vectors, $3FF6–$3FFF, are dedicated to reset and
interrupt vectors. The six remaining locations — $3FF0, $3FF1, $3FF2,
$3FF3, $3FF4, and $3FF5 — are general-purpose user ROM locations.
2.3.2 ROM Security
Security has been incorporated into the MC68HC05RC16 to prevent
external viewing of the ROM contents. This feature ensures that
customer-developed software remains proprietary.1
1. No security feature is absolutely secure. However, Motorola’s strategy is to make reading or
copying the ROM difficult for unauthorized users.
$001A
Reserved
R
RRRRRRR
$001B
Reserved
R
RRRRRRR
$001C
Reserved
R
RRRRRRR
$001D
Reserved
R
RRRRRRR
$001E
Reserved
R
RRRRRRR
$001F
Reserved
R
RRRRRRR
R
= Reserved
Addr.
Register
Bit 7
6
5
4
3
2
1
Bit 0
Figure 2-2. I/O Registers (Continued)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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| MC68HC05SC24 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Secure 8-bit microcomputer with EEPROM |
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