Renesas rl78 User Manual
RL78/G1A
CHAPTER 3 CPU ARCHITECTURE
R01UH0305EJ0200 Rev.2.00
85
Jul 04, 2013
3.4.5 SFR addressing
[Function]
SFR addressing directly specifies the target SFR addresses using 8-bit data in the instruction word. This type of
addressing is applied only to the space from FFF00H to FFFFFH.
[Operand format]
Identifier Description
SFR SFR
name
SFRP 16-bit-manipulatable
SFR name (even address)
Figure 3-23. Outline of SFR Addressing
OP code
Memory
SFR
FFFFFH
FFF00H
SFR
Instruction code