參數(shù)資料
型號(hào): MC68HC08GP8ACFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁(yè)數(shù): 47/126頁(yè)
文件大?。?/td> 4243K
代理商: MC68HC08GP8ACFB
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MC68HC08GP8A
Data Sheet
MOTOROLA
Memory
27
Data Sheet — MC68HC08GP8A
Section 2. Memory
2.1 Introduction
The CPU08 can address 64 Kbytes of memory space. The memory map, shown in
Figure 2-1, includes:
13,872 bytes of user read-only memory (ROM)
512 bytes of random-access memory (RAM)
36 bytes of user-defined vectors
307 bytes of monitor ROM
2.2 Unimplemented Memory Locations
Accessing an unimplemented location can cause an illegal address reset. In the
memory map (Figure 2-1) and in register figures in this document, unimplemented
locations are shaded.
2.3 Reserved Memory Locations
Accessing a reserved location can have unpredictable effects on MCU operation.
In the Figure 2-1 and in register figures in this document, reserved locations are
marked with the word Reserved or with the letter R.
2.4 Input/Output (I/O) Section
Most of the control, status, and data registers are in the zero page area of
$0000–$003F. Additional I/O registers have these addresses:
$FE00; SIM break status register, SBSR
$FE01; SIM reset status register, SRSR
$FE03; SIM break flag control register, SBFCR
$FE04; interrupt status register 1, INT1
$FE05; interrupt status register 2, INT2
$FE06; interrupt status register 3, INT3
$FE09; break address register high, BRKH
$FE0A; break address register low, BRKL
$FE0B; break status and control register, BRKSCR
$FE0C; LVI status register, LVISR
$FFFF; COP control register, COPCTL
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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