h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 76

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

2.7.9
Table 2.13 indicates how effective addresses are calculated in each addressing mode. In normal
mode, the upper 8 bits of the effective address are ignored in order to generate a 16-bit address.
Table 2.13 Effective Address Calculation (1)
Rev. 2.00, 03/04, page 44 of 534
Register indirect with post-increment or
pre-decrement
•Register indirect with post-increment @ERn+
•Register indirect with pre-decrement @-ERn
Register direct (Rn)
Register indirect (@ERn)
Addressing Mode and Instruction Format
Effective Address Calculation
Operand Size
Byte
Word
Longword
Sign extension
Effective Address Calculation
General register contents
General register contents
General register contents
General register contents
1, 2, or 4
1, 2, or 4
Operand is general register contents.
Effective Address (EA)