MEC1404 Datasheet, PDF (459/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
37.9.5 VCI POLARITY REGISTER
Offset ^14h
Bits
DESCRIPTION
31:2 Reserved
1:0 VCI_IN_POL
These bits determine the polarity of the VCI_IN input sig-
nals:
For each bit in the field:
1=Active High. The value on the pins is inverted before
use
0=Active Low (default)
37.9.6 VCI POSEDGE DETECT REGISTER
TYPE
R
RW
DEFAULT
-
0
RESET
EVENT
-
VBAT_POR
Offset ^18h
Bits
DESCRIPTION
31:1 Reserved
1:0 VCI_IN_POS
These bits record a low to high transition on the VCI_IN#
pins. A “1” indicates a transition occurred.
For each bit in the field:
1=Positive Edge Detected
0=No edge detected
37.9.7 VCI NEGEDGE DETECT REGISTER
TYPE
R
RWC
DEFAULT
-
0
RESET
EVENT
-
VBAT_POR
Offset ^1Ch
Bits
DESCRIPTION
31:2 Reserved
1:0 VCI_IN_NEG
These bits record a high to low transition on the VCI_IN#
pins. A “1” indicates a transition occurred.
For each bit in the field:
1=Negative Edge Detected
0=No edge detected
TYPE
R
RWC
DEFAULT
-
0
RESET
EVENT
-
VBAT_POR
 2015 - 2016 Microchip Technology Inc.
DS00001956D-page 459