Fujitsu F2MC-16LX Hardware Manual page 189

Mb90470 series 16-bit microcontroller
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❍ External data bus 8-bit mode (non-multiplex mode)
Figure 7.5-1 Access timing chart of external data bus 8-bit mode (non-multiplex mode)
P57/CLK
P53/WRH
(Port data)
P52/WRL
P51/RD
P50/ALE
A23
16
A15
08
A07
00
D15
08/
(Port data)
AD15
08
D07
00/
AD07
00
❍ External data bus 8-bit mode (multiplex mode)
Figure 7.5-2 Access timing chart of external data bus 8-bit mode (multiplex mode)
P57/CLK
P53/WRH
(Port data)
P52/WRL
P51/RD
P50/ALE
Read address
A23 to 16
A15 to 08
(Port data)
A07 to 00
(Port data)
D15 to 08/
Read address
AD15 to 08
D07 to 00/
Read address
AD07 to 00
Read
Read address
Read address
Read address
Read data
Read
Read data
CHAPTER 7 MODE SETTING
Write
Write address
Write address
Write address
Write data
Write
Write address
Write address
Write address
Write data
Read
Read address
Read address
Read address
Read
Read address
Read address
Read address
173

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