Datasheet

User’s Manual U18698EJ1V0UD
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CHAPTER 3 CPU ARCHITECTURE
3.1 Memory Space
Each products in the 78K0/LC3 can access a 64 KB memory space. Figures 3-1 to 3-4 show the memory maps.
Caution Regardless of the internal memory capacity, the initial values of the internal memory size
switching register (IMS) of all products in the 78K0/LC3 are fixed (IMS = CFH). Therefore, set the
value corresponding to each product as indicated below.
Table 3-1. Set Values of Internal Memory Size Switching Register (IMS)
Flash Memory Version
(78K0/LC3)
IMS
ROM
Capacity
Internal High-Speed RAM
Capacity
μ PD78F0400, 78F0410 42H 8 KB 512 bytes
μ PD78F0401, 78F0411 04H 16 KB 768 bytes
μ PD78F0402, 78F0412 C6H 24 KB
μ PD78F0403, 78F0413 C8H 32 KB
1 KB