MC68332 CENTRAL PROCESSING UNIT
USER’S MANUAL 5-7
Figure 5-6 Memory Operand Addressing
BIT DATA
1 BYTE = 8 BITS
INTEGER DATA
1 BYTE = 8 BITS
76543210
MSB = Most Significant Bit
LSB = Least Significant Bit
ADDRESS 1
ADDRESS = 32 BITS
LONG WORD = 32 BITS
WORD = 16 BITS
15 0
WORD 1
WORD 2
HIGH ORDER
LOW ORDER
MSB
LSB
0
LSB
MSB
15
MSD = Most Significant Digit
LSD = Least Significant Digit
DECIMAL DATA
BCD DIGITS = 1 BYTE
15 12 11 8 7 4 3 0
MSDBCD 0
BCD 4
BCD 1
BCD 5
BCD 2
BCD 6
BCD 3
BCD 7
HIGH ORDER
LOW ORDER
MSB BYTE 0 LSB BYTE 1
BYTE 2 BYTE 3
15 8 7 0
15 0
MSB
WORD 0 LSB
LSD
1125A
ADDRESS 1
ADDRESS 2
ADDRESS 0
LONG WORD 0
LONG WORD 1
LONG WORD 2
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