W55P241 Datasheet, PDF (14/32 Pages) List of Unclassifed Manufacturers – I/O device usable with many different microprocessors through SPI interface

W55P241
wakeup-enabled I/O pad must be in “input floating,” “input pull high” or “input pull low” state. The
supported wakeup modes are listed in the following table.
WAKEN KCnEN ATTRIBUTE DIRECTION BUFFER
IO status
Wakeup
0
0
0
Floating(default)
0
0
1
Pull low
0
1
0
Output low
0
0
1
1
1
Output high
0
0
Floating
1
0
1
Pull high
1
1
0
Output high
1
1
1
Output low
0
0
0
0
Floating
0
0
1
Pull low
0
1
0
Output low
0
1
1
1
1
Output high
0
0
Floating
1
0
1
Pull high
1
1
0
Output high
1
1
1
Output low
0
0
0
Floating
0
0
1
Pull low
0
1
0
Output low
0
0
1
1
1
Output high
0
0
Floating
1
0
1
Pull high
1
1
0
Output high
1
1
1
Output low
1
0
0
0
Floating
Supported
0
0
1
Pull low
Supported
0
1
0
Output low
0
1
1
1
1
Output high
0
0
Floating
1
0
1
Pull high
Supported
1
1
0
Output high
1
1
1
Output low
Table 3 Supported wakeup mode
There are 2 ways to wake up the host (e.g. microcontroller). In way 1, DO suffices to wake up the
- 14 -