RL78/F13, F14 CHAPTER 3 CPU ARCHITECTURE
R01UH0368EJ0210 Rev.2.10 145
Dec 10, 2015
3.2.3 ES and CS registers
The ES register is used for data access and the CS register is used to specify the higher address when a branch
instruction is executed.
The default value of the ES register after reset is 0FH, and that of the CS register is 00H.
Figure 3-41. Configuration of ES and CS Registers
0000ES3ES2ES1ES0
70
ES
6
5
4
3
2
1
0000CS3CP2CP1CP0
70
CS
6
5
4
3
21