Mitsubishi Electric M32R Series User Manual page 55

2
(7) Things to be noted for data transfer
Note that in data transfer, data arrangements in registers and those in memory are different.
Word data (32 bits)
Half-word data (16 bits)
Byte data (8 bits)
Figure 2.6.9 Difference in Data Arrangements
Data in register
(R0-R15)
HH HL LH LL
D0
MSB
(R0-R15)
H
D0
MSB
(R0-R15)
D0
MSB
2-13
Data in memory
+0 +1
HH HL
D31 D0
LSB
MSB
+0 +1
L H L
D31 D0 D15
LSB
MSB LSB
+0 +1
D0 D7
D31
LSB
MSB LSB
CPU
2.6 Data Formats
+2 +3
LH LL
D31
LSB
+2 +3
+2 +3
Ver.0.10