Preliminary User’s Manual U16315EJ1V0UD
46
CHAPTER 3 CPU ARCHITECTURE
3.1 Memory Space
Products in the 78K0/KD1 Series can each access a 64 KB memory space. Figures 3-1 to 3-5 show the memory
maps.
Caution
Regardless of the internal memory capacity, the initial value of the internal memory size
switching register (IMS) of all products in the 78K0/KD1 Series is 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)
Internal Memory Size Switching Register (IMS)
µ
PD780121
42H
µ
PD780122
44H
µ
PD780123
C6H
µ
PD780124
C8H
µ
PD78F0124
Value corresponding to mask ROM version
Содержание 78K0/KD1 Series
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