UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 91

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

5.4.5 Special function register (SFR) addressing
Effective address
[Function]
[Operand format]
[Description example]
[Illustration]
The memory-mapped special function register (SFR) is addressed with 8-bit immediate data in an instruction
word.
This addressing is applied to the 240-byte spaces FF00H to FFCFH and FFE0H to FFFFH. However, the SFRs
mapped at FF00H to FF1FH can be accessed with short direct addressing.
MOV PM0, A; when selecting PM0 (FF20H) as sfr
15
Identifier
sfr
sfrp
7
1
1
1
sfr-offset
Opcode
Special function register name
16-bit manipulatable special function register name (even address only)
1
Operation code
1
1
CHAPTER 5 CPU ARCHITECTURE
1
User’s Manual U14260EJ4V0UD
1
0
8 7
Description
1 1 1 1 0 1 1 0
0 0 1 0 0 0 0 0
0
Opcode
20H (sfr-offset)
SFR
89