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M68000 Datasheet(PDF) 21 Page - Freescale Semiconductor, Inc

Part # M68000
Description  8-/16-/32-Bit Microprocessors User?셲 Manual
PDF  189 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68000 Datasheet(HTML) 21 Page - Freescale Semiconductor, Inc

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MOTOROLA
M68000 8-/16-/32-BIT MICROPROCESSOR USER’S MANUAL
2-7
15
14
13
12
11
109876
5
43210
MSB
BYTE 0
BYTE 2
BYTE 1
BYTE 3
LSB
INTEGER DATA
1 BYTE = 8 BITS
1 WORD = 16 BITS
BIT DATA
1 BYTE = 8 BITS
76
543210
15
14
13
12
11
10
9
876
543210
WORD 0
WORD 1
WORD 2
LSB
MSB
EVEN BYTE
ODD BYTE
1 LONG WORD = 32 BITS
LONG WORD 0
LONG WORD 1
LONG WORD 2
LOW ORDER
HIGH ORDER
LSB
MSB
15
14
13
12
11
109876
5
43210
76
5
4321
0
76
5
4321
0
ADDRESS 1
ADDRESS 2
LOW ORDER
HIGH ORDER
LSB
MSB
15
14
13
12
11
10
9
876
543210
ADDRESSES
1 ADDRESS = 32 BITS
MSB = MOST SIGNIFICANT BIT
LSB = LEAST SIGNIFICANT BIT
ADDRESS 0
DECIMAL DATA
2 BINARY-CODED-DECIMAL DIGITS = 1 BYTE
15
14
13
12
11
10
9
876
543210
MSD
BCD 0
BCD 4
BCD 1
BCD 5
BCD 2
BCD 6
BCD 3
BCD 7
MSD = MOST SIGNIFICANT DIGIT
LSD = LEAST SIGNIFICANT DIGIT
LSD
Figure 2-6. Data Organization in Memory
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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