參數(shù)資料
型號: EC000UM
英文描述: EC000 Core User's Manual (SCM68000)
中文描述: EC000核心用戶手冊(SCM68000)
文件頁數(shù): 64/145頁
文件大?。?/td> 829K
代理商: EC000UM
Overview
1-12
EC000 CORE PROCESSOR USER’S MANUAL
MOTOROLA
Figure 1-6. Data Organization in Memory
MSD
LSD
MSB
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
1
2
3
4
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6
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15
0
1
2
3
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15
0
1
2
3
4
5
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8
9
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14
15
BIT DATA:
BYTE 0
WORD 0
LONG WORD 0
LONG WORD 1
LONG WORD 2
WORD 1
WORD 2
LSB
BYTE 1
BYTE 2
BYTE 3
1 BYTE = 8 BITS
1 WORD = 16 BITS
1 LONG WORD = 32 BITS
1 ADDRESS = 32 BITS
2 BINARY CODED DECIMAL DIGITS = 1 BYTE
n + 1
n + 3
n
n + 2
n
n + 2
n + 4
n + 6
n + 8
n + 10
n
n + 2
n + 4
INTEGER DATA:
ADDRESSES:
DECIMAL DATA:
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ADDRESS 0
BCD 0
BCD 1
BCD 2
BCD 3
BCD 6
BCD 7
BCD 4
BCD 5
ADDRESS 1
ADDRESS 2
LSB
n
n + 2
n + 4
n + 6
n + 8
n + 10
HIGH ORDER
LOW ORDER
HIGH ORDER
LOW ORDER
MSD = MOST SIGNIFICANT DIGIT
1 BYTE = 8 BITS
MSB = MOST SIGNIFICANT BIT
LSB = LEAST SIGNIFICANT BIT
LSD = LEAST SIGNIFICANT DIGIT
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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