MCS-51单片机存储器结构
时间:11-24
来源:互联网
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MCS-51的存储器可分为四类: |
表1 | |||||||||
单元地址 | MSB | ||||||||
2FH | 7FH | 7EH | 7DH | 7CH | 7BH | 7AH | 79H | 78H | |
2EH | 77H | 76H | 75H | 74H | 73H | 72H | 71H | 70H | |
2DH | 6FH | 6EH | 6DH | 6CH | 6BH | 6AH | 69H | 68H | |
2CH | 67H | 66H | 65H | 64H | 63H | 62H | 61H | 60H | |
2BH | 5FH | 5EH | 5DH | 5CH | 5BH | 5AH | 59H | 58H | |
2AH | 57H | 56H | 55H | 54H | 53H | 52H | 51H | 50H | |
29H | 4FH | 4EH | 4DH | 4CH | 4BH | 4AH | 49H | 48H | |
28H | 47H | 46H | 45H | 44H | 43H | 42H | 41H | 40H | |
27H | 3FH | 3EH | 3DH | 3CH | 3BH | 3AH | 39H | 38H | |
26H | 37H | 36H | 35H | 34H | 33H | 32H | 31H | 30H | |
25H | 2FH | 2EH | 2DH | 2CH | 2BH | 2AH | 29H | 28H | |
24H | 27H | 26H | 25H | 24H | 23H | 22H | 21H | 20H | |
23H | 1FH | 1EH | 1DH | 1CH | 1BH | 1AH | 19H | 18H | |
22H | 17H | 16H | 15H | 14H | 13H | 12H | 11H | 10H | |
21H | 0FH | 0EH | 0DH | 0CH | 0BH | 0AH | 09H | 08H | |
20H | 07H | 06H | 05H | 04H | 03H | 02H | 01H | 00H |
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