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參數(shù)資料
| 型號(hào)： | MC68HC05J3DW |
| 廠(chǎng)商： | MOTOROLA INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁(yè)數(shù)： | 18/74頁(yè) |
| 文件大小： | 814K |
| 代理商： | MC68HC05J3DW |
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MC68HC05J3
MOTOROLA
3-1
MEMORY AND REGISTERS
3
MEMORY AND REGISTERS
The MC68HC05J3 has a 4 kbyte memory map consisting of registers (for I/O, control and status),
User RAM, User ROM, bootloader ROM and reset and interrupt vectors as shown in Figure 3-1.
3.1
Registers
All the I/O, control and status registers of the MC68HC05J3 are contained within the rst 32-byte
block of the memory map, as detailed in Table 3-1.
3.2
RAM
The User RAM consists of 128 bytes of memory, from $0080 to $00FF. This is shared with a
64-byte stack area. The stack begins at $00FF and may extend down to $00C0.
Note:
Using the stack area for data storage or temporary work locations requires care to prevent
the data from being overwritten due to stacking from an interrupt or subroutine call.
3.3
Non-volatile memory (NVM)
The NVM consists of 2048 bytes of ROM (MC68HC05J3) from $0700 to $0EFF, 240 bytes of
bootloader ROM and 16 bytes of user vectors ($0FF0 to $0FFF).
TPG
22
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相關(guān)代理商/技術(shù)參數(shù) |
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| MC68HC05J3P | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit |
| MC68HC05J5A | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
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| MC68HC05J5AJDW | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
| MC68HC05J5AJP | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
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