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参数资料
| 型号： | MC68HLC908QT4 |
| 厂商： | Motorola, Inc. |
| 英文描述： | Microcontrollers |
| 中文描述： | 微控制器 |
| 文件页数： | 9/16页 |
| 文件大小： | 604K |
| 代理商： | MC68HLC908QT4 |
HC908LJ12AD/D
MC68HC08LJ12
MOTOROLA
Addendum to MC68HC908LJ12 Technical Data
For More Information On This Product,
Go to: www.freescale.com
9
MC68HC08LJ12
The MC68HC08LJ12 is the ROM part equivalent to the MC68HC908LJ12.
MCU Block Diagram
Figure 4
shows the block diagram of the MC68HC08LJ12.
Memory Map
The MC68HC08LJ128 has 12,288 bytes of user ROM from $C000 to $EFFF,
and 48 bytes of user ROM vectors from $FFD0 to $FFFF. On the
MC68HC908LJ12 these memory locations are FLASH memory.
Figure 5
shows the memory map of the MC68HC08LJ12.
Reserved Registers
The two registers at $FE08 and $FE09 are reserved locations on the
MC68HC08LJ12.
On the MC68HC908LJ12, these two locations are the FLASH control register
and the FLASH block protect register respectively.
Monitor ROM
The monitor program (monitor ROM: $FE10–$FFCF and $FC00–$FDFF) on
the MC68HC08LJ12 is for device testing only.
Table 8. Summary of MC68HC08LJ12 and MC68HC908LJ12 Differences
MC68HC08LJ12
MC68HC908LJ12
Operating voltages
—
5.0V
±
10%
3.3V
±
10%
5.0V
±
10%
Memory ($C000–$EFFF)
12,288 bytes ROM
12,288 bytes FLASH
User vectors ($FFD0–$FFFF)
48 bytes ROM
48 bytes FLASH
Registers at $FE08 and $FF09
Not used;
locations are reserved.
FLASH related registers.
$FE08 — FLCR
$FF09 — FLBPR
Monitor ROM
($FC00–$FDFF and $FE10–$FFCF)
Used for testing purposes only.
Used for testing and FLASH
programming/erasing.
Available packages
52-pin LQFP
64-pin LQFP
64-pin QFP
52-pin LQFP
64-pin LQFP
64-pin QFP
F
Freescale Semiconductor, Inc.
n
.
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相关代理商/技术参数 |
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| MC68HLC908QT4CDW | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| MC68HLC908QY1DT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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