upd78f0103 Renesas Electronics Corporation., upd78f0103 Datasheet - Page 45

• Manufacturer Part Number: upd78f0103
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

3.1.2 Internal data memory space
registers per 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/KB1 products incorporate the following internal high-speed RAM.
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 (see
Caution Do not access addresses to which SFRs are not assigned.
µ
µ
µ
µ
PD780101
PD780102
PD780103
PD78F0103
Part Number
Table 3-4. Internal High-Speed RAM Capacity
CHAPTER 3 CPU ARCHITECTURE
512 × 8 bits (FD00H to FEFFH)
768 × 8 bits (FC00H to FEFFH)
User’s Manual U15836EJ5V0UD
Internal High-Speed RAM
45