R01UH0822EJ0100 Rev.1.00
Page 64 of 1041
Jul 31, 2019
RX13T Group
2. CPU
(5) WB stage (write-back stage)
The operation result and the data read from memory are written to the register (RW) in the WB stage. The data read from
memory and the other type of data, such as the operation result, can be written to the register in the same clock cycles.
shows the pipeline configuration and its operation.
Figure 2.6
Pipeline Configuration and its Operation
IF
DEC
OP
OA1
OA2
IF stage
BYP
RF
Pipeline stage
Execution processing
D stage
E stage
M1 stage
M2 stage
One cycle
WB stage
RW
M stage