
R01UH0040EJ0100 Rev.1.00
Page 125 of 1657
Sep 8, 2011
RX630 Group
2. CPU
Table 2.3
32-Bit Write Operations when Little Endian has been Selected
Operation
Address
of dest
Writing a 32-bit unit
to address 0
Writing a 32-bit unit
to address 1
Writing a 32-bit unit
to address 2
Writing a 32-bit unit
to address 3
Writing a 32-bit unit
to address 4
Address 0
Transfer from LL
—
Address 1
Transfer from LH
Transfer from LL
—
Address 2
Transfer from HL
Transfer from LH
Transfer from LL
—
Address 3
Transfer from HH
Transfer from HL
Transfer from LH
Transfer from LL
—
Address 4
—
Transfer from HH
Transfer from HL
Transfer from LH
Transfer from LL
Address 5
—
Transfer from HH
Transfer from HL
Transfer from LH
Address 6
—
Transfer from HH
Transfer from HL
Address 7
—
Transfer from HH
Table 2.4
32-Bit Write Operations when Big Endian has been Selected
Operation
Address
of dest
Writing a 32-bit unit
to address 0
Writing a 32-bit unit
to address 1
Writing a 32-bit unit
to address 2
Writing a 32-bit unit
to address 3
Writing a 32-bit unit
to address 4
Address 0
Transfer from HH
—
Address 1
Transfer from HL
Transfer from HH
—
Address 2
Transfer from LH
Transfer from HL
Transfer from HH
—
Address 3
Transfer from LL
Transfer from LH
Transfer from HL
Transfer from HH
—
Address 4
—
Transfer from LL
Transfer from LH
Transfer from HL
Transfer from HH
Address 5
—
Transfer from LL
Transfer from LH
Transfer from HL
Address 6
—
Transfer from LL
Transfer from LH
Address 7
—
Transfer from LL
Table 2.5
16-Bit Read Operations when Little Endian has been Selected
Operation
Address
of src
Reading
a 16-bit unit from
address 0
Reading
a 16-bit unit from
address 1
Reading
a 16-bit unit from
address 2
Reading
a 16-bit unit from
address 3
Reading
a 16-bit unit from
address 4
Reading
a 16-bit unit from
address 5
Reading
a 16-bit unit from
address 6
Address 0
Transfer to LL
——————
Address 1
Transfer to LH
Transfer to LL
—————
Address 2
—
Transfer to LH
Transfer to LL
————
Address 3
—
Transfer to LH
Transfer to LL
—
Address 4
—
Transfer to LH
Transfer to LL
—
Address 5
————
Transfer to LH
Transfer to LL
—
Address 6
—————
Transfer to LH
Transfer to LL
Address 7
——————
Transfer to LH