W55P241 Datasheet, PDF (18/32 Pages) List of Unclassifed Manufacturers – I/O device usable with many different microprocessors through SPI interface

W55P241
$02
BP2B B27
B26
B25
B24
B23 B22 B21 B20
R/W
0000_0000
$03
$04
BP0D D07
D06
D05
D04
D03 D02 D01 D00
R/W
0000_0000
$05
BP1D D17
D16
D15
D14
D13 D12 D11 D10
R/W
0000_0000
$06
BP2D D27
D26
D25
D24
D23 D22 D21 D20
R/W
0000_0000
$07
$08
BP0A A07
A06
A05
A04
A03 A02 A01 A00
R/W
0000_0000
$09
BP1A A17
A16
A15
A14
A13 A12 A11 A10
R/W
0000_0000
$0A
BP2A A27
A26
A25
A24
A23 A22 A21 A20
R/W
0000_0000
$0B
$0C
BP0P P07
P06
P05
P04
P03 P02 P01 P00
R/W
0000_0000
$0D
BP1P P17
P16
P15
P14
P13 P12 P11 P10
R/W
0000_0000
$0E
BP2P P27
P26
P25
P24
P23 P22 P21 P20
R/W
0000_0000
$0F
WKCTL ^{WAKEN KC0EN KC1EN KC2EN} P0C P1C P2C ^WKFLG R
0000_0000
$0F
WKCTL ^{WAKEN KC0EN KC1EN KC2EN}
W
B0n
B1n
B2n
D0n
D1n
D2n
A0n
A1n
A2n
P0n
P1n
P2n
WAKEN
KC0EN
KC1EN
KC2EN
P0C
P1C
P2C
WKFLG
BUFFER data of BP0: n = 0(LSB) ~ 7(MSB).
BUFFER data of BP1
BUFFER data of BP2
DIRECTION data of BP0
DIRECTION data of BP1
DIRECTION data of BP2
ATTRIBUTE data of BP0
ATTRIBUTE data of BP1
ATTRIBUTE data of BP2
PIN data of BP0
PIN data of BP1
PIN data of BP2.
Wakeup enabling bit. It is set to 0 when wakeup matches. 1: enable. 0: disable.
Wakeup enabling bit of BP0. 1: enable. 0: disable.
Wakeup enabling bit of BP1. 1: enable. 0: disable.
Wakeup enabling bit of BP2. 1: enable. 0: disable.
Change bit of BP0. It is set to 0 after reading BP0P. 1: change. 0: no change.
Change bit of BP1. It is set to 0 after reading BP1P. 1: change. 0: no change.
Change bit of BP2. It is set to 0 after reading BP2P. 1: change. 0: no change.
ORing of P0C, P1C and P2C bits. 1: WAKEUP pad is forced low. 0: floating.
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