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| 型號(hào)： | MC68HC08JB8AJP |
| 廠商： | Motorola, Inc. |
| 英文描述： | This addendum provides additional information to the MC68HC908JB8 Technical Data, Rev. 2 |
| 中文描述： | 本增編提供了額外的資料MC68HC908JB8的技術(shù)數(shù)據(jù)，修訂版2 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 282K |
| 代理商： | MC68HC08JB8AJP |
Motorola, Inc., 2003
HC908JB8AD/D
Rev. 0, 4/2002
Addendum to
MC68HC908JB8
Technical Data
Addendum
This addendum provides additional information to the
MC68HC908JB8 Technical Data
, Rev. 2
(Motorola document number MC68HC908JB8/D),
MC68HC08JB8A
The MC68HC08JB8A is the ROM part equivalent to the MC68HC908JB8. The
entire MC68HC908JB8 data book apply to this ROM device, with exceptions
outlined in this addendum.
MCU Block Diagram
Figure 1
shows the block diagram of the MC68HC08JB8A.
Memory Map
The MC68HC08JB8A has 8,192 bytes of user ROM from $DC00 to $FBFF, and
16 bytes of user ROM vectors from $FFF0 to $FFFF. On the MC68HC908JB8,
these memory locations are FLASH memory.
Figure 2
shows the memory map of the MC68HC08JB8A.
Table 1. Summary of MC68HC08JB8A and MC68HC908JB8 Differences
MC68HC08JB8A
MC68HC908JB8
Memory ($DC00–$FBFF)
8,192 bytes ROM
8,192 bytes FLASH
User vectors ($FFF0–$FFFF)
16 bytes ROM
16 bytes FLASH
Registers at $FE08 and $FF09
Not used;
locations are reserved.
FLASH related registers.
$FE08 — FLCR
$FF09 — FLBPR
Monitor ROM
($FC00–$FDFF and $FE10–$FFDF)
$FC00–$FDFF: Not used.
$FE10–$FFDF: Used for
testing purposes only.
Used for testing and FLASH
programming/erasing.
OSC1 and OSC2 pins
V
DD
level (5V logic)
V
REG
level (3.3V logic)
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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