cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 440
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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GPIO Subsystem Register Descriptions
5.16.2.5
These registers select the Auxiliary 1 output of the low (GPIO[15:0]) and high (GPIO[31:16]) banks of GPIOs. Auxiliary 1 is
selected as the output if the feature bit is high. Auxiliary 1 is not selected as the output if the feature bit is low. (These regis-
ters use atomic programming, see Section 5.16.1 on page 436 for details.)
If OUT_AUX1 and/or OUT_AUX2 are selected, then their value overrides the OUT_VAL (GPIO I/O Offset 00h/80h) settings.
See Table 2-8 "GPIO Options" on page 42 for AUX programming details.
GPIO Low Bank Output Auxiliary 1 Select
(GPIOL_OUT_AUX1_SEL)
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
GPIO Output Auxiliary 1 Select (GPIO[x]_OUT_AUX1_SEL)
10h
R/W
FFFF0000h
GPIOH_OUT_AUX1_SEL Register Map
GPIOL_OUT_AUX1_SEL Register Map
(Continued)
440
GPIO High Bank Output Auxiliary 1 Select
(GPIOH_OUT_AUX1_SEL)
GPIO I/O Offset
Type
Reset Value
90h
R/W
FFFF0000h
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
Revision 0.8
1
1
0
0
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