upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 46

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

3.4.3 Special function register (SFR) addressing
46
[Function]
[Operand format]
[Description example]
[Illustration]
Effective
address
A memory-mapped special function register (SFR) is addressed with the 8-bit immediate data in an instruction
word.
This addressing is applied to the 256-byte space FF00H to FFFFH. However, SFRs mapped at FF00H to
FF1FH are accessed with short direct addressing.
MOV PM0, A; When selecting PM0 for sfr
Identifier
15
7
sfr
1
1
1
Special function register name
OP code
sfr-offset
1
Instruction code
1
1
1
CHAPTER 3 CPU ARCHITECTURE
1
0
8 7
User’s Manual U16994EJ3V0UD
1
0
Description
1
0
1
1
0
0
0
0
0
1
0
1
0
1
0
SFR