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参数资料
| 型号： | MC68HC05RC9P |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| 封装： | PLASTIC, DIP-28 |
| 文件页数： | 51/124页 |
| 文件大小： | 457K |
| 代理商： | MC68HC05RC9P |
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NON-DISCLOSURE
AGREEMENT
REQUIRED
Memory
General Release Specification
MC68HC05RC18 — Rev. 2.0
32
Memory
MOTOROLA
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 through $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 MC68HC05RC18 to help
prevent external viewing of the ROM contents. By having unique data
values at locations $2000–$2008, customers can help ensure that their
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.
$17
Modulator Data Register 3 (MDR3)
SB7
SB6
SB5
SB4
SB3
SB2
SB1
SB0
$18
Reserved
RRRRRRRR
$19
Reserved
RRRRRRRR
$1A
Reserved
RRRRRRRR
$1B
Reserved
RRRRRRRR
$1C
Reserved
RRRRRRRR
$1D
Reserved
RRRRRRRR
$1E
Reserved
RRRRRRRR
R
= Reserved
Addr
Register Name
Bit 7
654321
Bit 0
Figure 2-2. I/O Registers (Continued)
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相关代理商/技术参数 |
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|---|---|
| MC68HC05SC24 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:Secure 8-bit microcomputer with EEPROM |
| MC68HC05SR3 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller Units |
| MC68HC05SU3A | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Fully static chip design featuring the industry standard 8-bit M68HC05 core |
| MC68HC05T16 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit |
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