977
Figure A-1 shows timing waveforms for the address bus and the
RD
,
HWR
, and
LWR
signals
during execution of the above instruction with an 8-bit bus, using three-state access with no wait
states.
ø
Address bus
RD
HWR
,
LWR
R:W 2nd
Fetching
2nd byte of
instruction at
jump address
Fetching
1nd byte of
instruction at
jump address
Fetching
4th byte
of instruction
Fetching
3rd byte
of instruction
R:W EA
High level
Internal
operation
Figure A-1 Address Bus,
RD
,
HWR
, and
LWR
Timing
(8-Bit Bus, Three-State Access, No Wait States)
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...