ATXP5 datasheet(10/12 Pages) ETC1

10 / 12 page

ATXP5 V1.0

Jumper Free Over Clock Controller

Technology Corporation

GPIO4-0 Input

Enable Register

09h

00000000b

<7> Reserved.

<6:3> GPIO4~1 input enable= 0

the corresponding GPIO is an output

= 1

the corresponding GPIO is an input pin.

<2:1> Reserved.

<0> GPIO0 input enable= 0

the corresponding GPIO0 is an output

= 1

the corresponding GPIO0 is an input pin.

GPIO4-0 Data

0Ah

111111111b

<7> Reserved.

<6:3> GPIO4-1 data register

If the GPIO pin is set as an input pin, the input

value can be obtained by reading this register.

If the GPIO pin is set as an output pin, the

output value can be controlled by writing this

read back.

<2:1>Reserved.

<0> GPIO0 data register

If the GPIO0 pin is set as an input pin, the

input value can be obtained by reading this

If the GPIO0 pin is set as an output pin, the

output value can be controlled by writing this

read back.

GPIO4-0 Output

Type Select

0Bh

00000000b

<7> Reserved.

<6:3> GPIO4-1 output type

= 0 The corresponding GPIO pin is

open-drain output pin.

= 1 The corresponding GPIO pin is

push-pull output pin.

<2:1>Reserved.

<0> GPIO0 output type

= 0 The corresponding GPIO0 pin is

open-drain output pin.

= 1 The corresponding GPIO0 pin is

push-pull output pin.

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