upd78f0148m1gka1-9eu Renesas Electronics Corporation., upd78f0148m1gka1-9eu Datasheet - Page 50

• Manufacturer Part Number: upd78f0148m1gka1-9eu
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

3.1
50
78K0/KF1 products 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 values of the internal memory size
Memory Space
switching register (IMS) and internal expansion RAM size switching register (IXS) of all 78K0/KF1
products are fixed (IMS = CFH, IXS = 0CH). Therefore, set the value corresponding to each
product as indicated below.
PD780143
PD780144
PD780146
PD780148
PD78F0148
Table 3-1. Set Values of Internal Memory Size Switching Register (IMS)
and Internal Expansion RAM Size Switching Register (IXS)
CHAPTER 3 CPU ARCHITECTURE
C6H
C8H
CCH
CFH
Value corresponding to mask ROM version
User’s Manual U15947EJ3V1UD
IMS
0CH
0AH
IXS