h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 917

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Figure A.1 shows timing waveforms for the address bus and the RD and WR signals during
execution of the above instruction with an 8-bit bus, using three-state access with no wait states.
Address bus
RD
WR
Fetching 3rd byte
of instruction
(8-Bit Bus, Three-State Access, No Wait States)
Figure A.1 Address Bus, RD
R:W 2nd
Fetching 4th byte
of instruction
High level
operation
Internal
RD and WR
RD
RD
Rev. 4.00 Jun 06, 2006 page 863 of 1004
Fetching 1st byte
instruction
of branch
WR Timing
WR
WR
R:W EA
Appendix A Instruction Set
Fetching 2nd byte
instruction
of branch
REJ09B0301-0400