upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 45

• Manufacturer Part Number: upd78f0124hgba1-8et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

3.1.2 Internal data memory space
registers per one bank.
3.1.3 Special function register (SFR) area
Table 3-5 Special Function Register List in 3.2.3 Special Function Registers (SFRs)).
78K0/KD1+ products incorporate the following internal high-speed RAMs.
The 32-byte area FEE0H to FEFFH is assigned to four general-purpose register banks consisting of eight 8-bit
This area cannot be used as a program area in which instructions are written and executed.
The internal high-speed RAM can also be used as a stack memory.
On-chip peripheral hardware special function registers (SFRs) are allocated in the area FF00H to FFFFH (refer to
Caution Do not access addresses to which SFRs are not assigned.
PD78F0122H
PD78F0123H
PD78F0124H, 78F0124HD
Part Number
Table 3-4. Internal High-Speed RAM Capacity
CHAPTER 3 CPU ARCHITECTURE
512
1024
User’s Manual U16962EJ3V0UD
8 bits (FD00H to FEFFH)
8 bits (FB00H to FEFFH)
Internal High-Speed RAM
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