Legacy-Free Keyboard/Embedded Controller with SPI and LPC Docking Interface
Table 20.10 GPIO Input Register C
N/A
HOST ADDRESS
8051 ADDRESS
POWER
0x7F20
VCC1
N/A
DEFAULT
BIT
D7
D6
D5
D4
D3
D2
D1
D0
-
-
-
-
-
-
-
-
HOST TYPE
8051 TYPE
R
0
R
0
R
R
R
R
R
R
status
of pin
status
of pin
status
of pin
status
of pin
status
of pin
status
of pin
BIT NAME
GPIO21 GPIO20 GPIO19 GPIO18 GPIO17 GPIO16
Table 20.11 Out Register D
N/A
HOST ADDRESS
8051 ADDRESS
POWER
0x7F22
VCC1
0x00
DEFAULT
BIT
D7
D6
D5
D4
D3
D2
D1
D0
-
-
-
-
-
-
-
-
HOST TYPE
8051 TYPE
BIT NAME
R/W
R
R/W
R/W
OUT7
Reserved
OUT1
OUT0
Revision 1.1 (01-14-03)
224
SMSC LPC47N350
DATASHEET