W90N740 Winbond Electronics Corp America, W90N740 Datasheet - Page 55
W90N740
Manufacturer Part Number
W90N740
Description
32-bit Arm7tdmi-based Micro-controller
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W90N740.pdf
(197 pages)
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tACS [7:5] :Address set-up before nECS for external I/O bank 0~3
tCOS [4:2]:Chip selection set-up time on nOE or nWBE for 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.
DBWD [1:0] :Programmable data bus width for external I/O bank 0~3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
DBWD [1:0]
tACS [7:5]
tCOS [4:2]
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
- 52 -
W90N740CD/W90N740CDG
WIDTH OF DATA BUS
Disable bus
16-bit
32-bit
8-bit
MCLK
MCLK
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7