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參數(shù)資料
| 型號(hào)： | MC68HC05E0FN |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁(yè)數(shù)： | 16/96頁(yè) |
| 文件大小： | 890K |
| 代理商： | MC68HC05E0FN |
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3
MC68HC05E0
MOTOROLA
3-1
CPU CORE AND INSTRUCTION SET
3
CPU CORE AND INSTRUCTION SET
This section provides a description of the CPU core registers, the instruction set and the
addressing modes of the MC68HC05E0.
3.1
Registers
The MCU contains ve registers, as shown in the programming model of Figure 3-1. The interrupt
stacking order is shown in Figure 3-2.
3.1.1
Accumulator (A)
The accumulator is a general purpose 8-bit register used to hold operands and results of
arithmetic calculations or data manipulations.
Figure 3-1 Programming model
Accumulator
Index register
Program counter
Stack pointer
Condition code register
Carry / borrow
Zero
Negative
Interrupt mask
Half carry
7
0
7
0
15
7
0
15
7
0
0 0 0 0 0 0 0 1 1
7
0
1 1 1 H I N Z C
0
23
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| MC68HC05E16 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16256 bytes of user ROM, 320bytes of EPROM and 352 bytes of RAM |
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