UPD78F1502AGK-GAK-AX Datasheet, PDF (108/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 3 CPU ARCHITECTURE
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 3-13. Configuration of ES and CS Registers
7
6
5
4
3
2
1
0
ES
0
0
0
0 ES3 ES2 ES1 ES0
7
6
5
4
3
2
1
0
CS
0
0
0
0 CS3 CP2 CP1 CP0
R01UH0004EJ0501 Rev.5.01
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Jun 20, 2011