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參數(shù)資料
| 型號： | MC68HC05SU3AB |
| 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 MHz, MICROCONTROLLER, PDIP42 |
| 封裝： | SDIP-42 |
| 文件頁數(shù)： | 24/80頁 |
| 文件大?。?/td> | 710K |
| 代理商： | MC68HC05SU3AB |
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MOTOROLA
4-2
MC68HC05SU3A
MEMORY AND REGISTERS
4
4.4
Memory Map
Figure 4-1 shows the memory map for MC68HC05SU3A device.
Figure 4-1 MC68HC05SU3A Memory Map
Reserved
Port A Data Register
$00
$0000
Port B Data Register
$01
Port C Data Register
$02
Port D Data Register
$03
Port A Data Direction Register
$04
Port B Data Direction Register
$05
Port C Data Direction Register
$06
Port D Data Direction Register
$07
$08
$09
$0A
$0B
$0C
$0D
$0E
$0F
Reserved
Ports
8 Bytes
0
15
User RAM
128 Bytes
User ROM
3840 Bytes
$0010
$008F
$0FFF
$0090
$1EFF
$1000
$1FF0
$1FF2
$1FF4
$1FF6
$1FF8
$1FFA
$1FFC
$1FFE
I/O
16 Bytes
Unused
Port Option Register
Reserved
KBI
IRQ2
IRQ
SWI
RESET
$000F
$00BF
$00C0
Stack
64 Bytes
$00FF
$0100
Unused
User Vectors
12 Bytes
$1FEF
$1FF0
$1FFF
$1F00
Self-Check
240 Bytes
Timer Registers
2 Bytes
KBI Register
Misc. Register
Reserved
2 Bytes
Timer Data Register
Timer Control Register
Port Option Register
Keyboard Interrupt Mask Register
Miscellaneous Control Register
Reserved
Timer
TPG
28
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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