HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 743

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

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.
734
ø
Address bus
RD
HWR, LWR
Figure A.1 Address Bus, RD, HWR, and LWR Timing
of instruction
Fetching
3rd byte
(8-Bit Bus, Three-State Access, No Wait States)
R:W 2nd
of instruction
Fetching
4th byte
High level
operation
Internal
jump address
instruction at
1nd byte of
Fetching
R:W EA
jump address
instruction at
2nd byte of
Fetching