參數(shù)資料
型號: MC68HC05JB4DW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 49/134頁
文件大?。?/td> 2440K
代理商: MC68HC05JB4DW
SECTION 2
MEMORY
The MC68HC05JB4 has 8k-bytes of addressable memory, with 64 bytes of I/O,
176 bytes of user RAM, and 3584 bytes of user ROM, as shown in Figure 2-1.
Figure 2-1. MC68HC05JB4 Memory Map
$1FF7
$1FF8
$1FF9
$1FFA
$1FFB
$1FFC
$1FFD
$1FFE
$1FFF
$003F
$0000
$1FF6
$1FF3
$1FF4
$1FF5
$1FF2
$1FF1
Reserved
USB Vector (Low Byte)
Timer1 Vector (Low Byte)
USB Vector (High Byte)
Timer1 Vector (High Byte)
MFT Vector (Low Byte)
MFT Vector (High Byte)
Reserved
$1FF0
Reserved
IRQ/IRQ2 Vector (High Byte)
IRQ/IRQ2 Vector (Low Byte)
SWI Vector (High Byte)
SWI Vector (Low Byte)
Reset Vector (High Byte)
Reset Vector (Low Byte)
I/O Registers
64 Bytes
I/O Registers
64 Bytes
$0000
$003F
$0040
$007F
Unused
64 Bytes
User RAM
176 Bytes
64 Byte Stack
$0080
$00C0
$00FF
$012F
$0130
$0FFF
Unused
3792 Bytes
$1000
$1DFF
$1E00
$1FEF
User ROM
3584 Bytes
Self-Check ROM
496 Bytes
User Vectors
16 Bytes
$1FF0
$1FFF
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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