Data Memory Addressing ( Pd78P058F, 78P058Fy) - NEC PD78056F User Manual

Pd78058f series; pd78058fy series 8-bit single-chip microcontrollers

Table of Contents

Figure 5-6. Data Memory Addressing ( PD78P058F, 78P058FY)

General Registers

Internal High-speed RAM

Internal Buffer RAM

Internal Expansion RAM

When internal PROM size is 60 Kbytes, the area F000H to F3FFH cannot be used. F000H to F3FFH

can be used as external memory by setting the internal PROM size to less than 56 Kbytes by the

memory size switching register (IMS).

CHAPTER 5 CPU ARCHITECTURE

Special Function

Registers (SFRs)

Internal PROM

SFR Addressing

Short Direct

Direct Addressing

Based Addressing

Based Indexed