Datasheet

78K0/Kx2-L CHAPTER 3 CPU ARCHITECTURE
R01UH0028EJ0400 Rev.4.00 64
Sep 27, 2010
CHAPTER 3 CPU ARCHITECTURE
3.1 Memory Space
Products in the 78K0/Kx2-L microcontrollers can access a 64 KB memory space. Figures 3-1 to 3-4 show the memory
maps.
Caution Reset signal generation makes the setting of the ROM area undefined. Therefore, set the value
corresponding to each product as indicated below after release of reset.
Table 3-1. Set Values of Internal Memory Size Switching Register (IMS)
Products
78K0/KY2-L 78K0/KA2-L 78K0/KB2-L 78K0/KC2-L
IMS ROM Capacity
Internal High-Speed
RAM Capacity
μ PD78F0550,
78F0555
μ PD78F0560,
78F0565
− −
61H 4 KB 384 bytes
μ PD78F0551,
78F0556
μ PD78F0561,
78F0566
μ PD78F0571,
78F0576
μ PD78F0581,
78F0586
42H 8 KB 512 bytes
μ PD78F0552,
78F0557
μ PD78F0562,
78F0567
μ PD78F0572,
78F0577
μ PD78F0582,
78F0587
04H 16 KB 768 bytes
− −
μ PD78F0573,
78F0578
μ PD78F0583,
78F0588
C8H 32 KB 1 KB