Evido EAD-D2000 Instrukcja Użytkownika Strona 32

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CT-CCV6X Intel Atom D2000/N2000 COM Express Type 6 Module
32
GPIO Input/Output Select Register 2 (Offset GPIOBASE+0x34)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
GPIO7
GPIO6
GPIO5
GPIO4
Bit X = 0 means Output Pin
Bit X = 1 means Input Pin
4.16.2.3 GPIO Level for Input or Output Register 1
(Offset GPIOBASE+0x0C)
If Pin X is configured as output, the output value (0 or 1) could be selected by
user.
If it is programmed as an input, this register reflects the state of the input
signal.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
GPIO3
GPIO2
GPIO1
GPIO0
GPIO Level for Input or Output Register 1
(Offset GPIOBASE+0x38)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
GPIO7
GPIO6
GPIO5
GPIO4
4.16.2.4 GPIO Signal Invert Register (Offset 0x2C)
It will invert the polarity of the Input Port register data.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
GPIO3
GPIO2
GPIO1
GPIO0
Bit X = 0 means Polarity is retained
Bit X = 1 means Polarity is inverted
[Note] The GPIO4~GPIO7 cant be set to inverted.
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