Fujitsu MB90480 Series Hardware Manual page 192

CHAPTER 7 MODE SETTING
❍ External data bus 16-bit mode (multiplex mode)
Figure 7.5-4 Access timing chart of external data bus 16-bit mode (multiplex mode)
P57/CLK
P53/WRH
P52/WRL
P51/RD
P50/ALE
A23 to 16
A15 to 08
A07 to 00
D15 to 08/
AD15 to 08
D07 to 00/
AD07 to 00
170
Read
Read address
(Port data)
(Port data)
Read address
Read address
Read data
Write
Write address
Write address
Write address
Write data
Read
Read address
Read address
Read address