W90P710_05 Datasheet, PDF (82/526 Pages) Winbond – 16/32-bit ARM microcontroller

W90P710
Continued.
BITS
DESCRIPTION
Address set-up before nECS for external I/O bank 0~3
[7:5]
tACS
tACS [7:5]
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
MCLK
0
1
2
3
4
5
6
7
Chip selection set-up time of external I/O bank 0~3
When ROM/Flash memory bank is configured, the access to its bank
stretches chip selection time before the nOE or new signal is activated.
[4:2]
tCOS
tCOS [4:2]
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
MCLK
0
1
2
3
4
5
6
7
Programmable data bus width for external I/O bank 0~3
[1:0]
DBWD
DBWD [1:0]
0
0
0
1
1
0
1
1
Width of Data Bus
Disable bus
8-bit
16-bit
32-bit
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