cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 447
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cs5535
Manufacturer Part Number
cs5535
Description
Geode Cs5535 Companion Multi-function South Bridge
Manufacturer
National Semiconductor Corporation
Datasheet
1.CS5535.pdf
(555 pages)
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Revision 0.8
GPIO Subsystem Register Descriptions
5.16.2.15 GPIO Input Positive Edge Enable (GPIO[x]_IN_POSEDGE_EN)
These registers control the enabling of the positive edge detector function for the low (GPIO[15:0]) and high (GPIO[31:16])
banks of GPIOs. The positive edge detector function is enabled if the feature bit is high. The positive edge detector function
is disabled if the feature bit is low. (These registers use atomic programming, see Section 5.16.1 on page 436 for details.)
GPIO Low Bank Input Positive Edge Enable
(GPIOL_IN_POSEDGE_EN)
GPIO I/O Offset
Type
Reset Value
5.16.2.16 GPIO Input Negative Edge Enable (GPIO[x]_IN_NEGEDGE_EN)
These registers control the enabling of the negative edge detector function in the inputs for the low (GPIO[15:0]) and high
(GPIO[31:16]) banks of GPIOs. The negative edge detector function is enabled if the feature bit is high. The negative edge
detector function is disabled if the feature bit is low. (These registers use atomic programming, see Section 5.16.1 on page
436 for details.)
GPIO Low Bank Input Negative Edge Enable
(GPIOL_IN_NEGEDGE_EN)
GPIO I/O Offset
Type
Reset Value
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
40h
R/W
FFFF0000h
44h
R/W
FFFF0000h
GPIOH_IN_NEGEDGE_EN Register Map
GPIOH_IN_POSEDGE_EN Register Map
GPIOL_IN_NEGEDGE_EN Register Map
GPIOL_IN_POSEDGE_EN Register Map
(Continued)
447
GPIO High Bank Input Positive Edge Enable
(GPIOH_IN_POSEDGE_EN)
GPIO I/O Offset
Type
Reset Value
GPIO High Bank Input Negative Edge Enable
(GPIOH_IN_NEGEDGE_EN)
GPIO I/O Offset
Type
Reset Value
C0h
R/W
FFFF0000h
C4h
R/W
FFFF0000h
9
9
9
9
8
8
8
8
7
7
7
7
6
6
6
6
5
5
5
5
4
4
4
4
3
3
3
3
www.national.com
2
2
2
2
1
1
1
1
0
0
0
0
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