UPD784938 Datasheet, PDF (620/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 24 LOCAL BUS INTERFACE FUNCTION
Figure 24-10. Address Wait Function Read/Write Timing (3/3)
(c) Write timing with no address wait insertion
fCLK^Note
A8 to A19
High address
Hi-Z
Hi-Z
AD0 to AD7
Low address
Hi-Z
Output data
ASTB
WR
(d) Write timing with address wait insertion
fCLK^Note
A8 to A19
Hi-Z
AD0 to AD7
High address
Low address
Hi-Z
Hi-Z
Output data
ASTB
WR
Note fCLK: Internal system clock frequency. This signal is present inside the µPD784938 only.
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Preliminary User’s Manual U13987EJ1V0UM00