ADuC7023BCBZ62I-R7 datasheet(53/96 Pages) AD

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Data Sheet

ADuC7023

| Page 53 of 96

Bit

GP0PAR

GP1PAR

GP2PAR

10 to 9

R (b00)

R/W

Reserved

6 to 5

R (b00)

Reserved

R/W

Reserved

2 to 1

R (b00)

R/W

R (b0)

When P2.0 is configured as AIN12, the internal pull-up resistor cannot be

disabled.

GP0DAT Register

Name

Address

Default Value

Access

GP0DAT

0xFFFFF420

0x000000XX

R/W

GP1DAT

0xFFFFF430

0x000000XX

R/W

GP2DAT

0xFFFFF440

0x000000XX

R/W

GPxDAT are Port x configuration and data registers. They

configure the direction of the GPIO pins of Port x, set the

output value for the pins configured as output, and store the

input value of the pins configured as input.

Table 60. GPxDAT MMR Bit Descriptions

Bit

Description

31 to 24

Direction of the data.

This bit is set to 1 by the user to configure the GPIO

pin as an output.

This bit is cleared to 0 by the user to configure the

GPIO pin as an input.

23 to 16

Port x data output.

15 to 8

Reflect the state of port x pins at reset (read only).

7 to 0

Port x data input (read only).

GP0SET Register

Name:

GP0SET

Address:

0xFFFFF424

Default value:

0x000000XX

Access:

Write

Function:

GP0SET is a data set Port x register.

GP1SET Register

Name:

GP1SET

Address:

0xFFFFF434

Default value:

0x000000XX

Access:

Write

Function:

GP1SET is a data set Port x

GP2SET Register

Name:

GP2SET

Address:

0xFFFFF444

Default value:

0x000000XX

Access:

Write

Function:

GP2SET is a data set Port x

Table 61. GPxSET MMR Bit Descriptions

Bit

Description

31 to 24

Reserved.

23 to 16

Data port x.

This bit is set to 1 by the user to set bit on Port x; this

bit also sets the corresponding bit in the GPxDAT

MMR.

This bit is cleared to 0 by the user; this bit does not

affect the data out.

15 to 0

Reserved.

GP0CLR Registers

Name:

GP0CLR

Address:

0xFFFFF428

Default value:

0x000000XX

Access:

Write

Function:

GP0CLR is a data clear Port x register.

GP1CLR Registers

Name:

GP1CLR

Address:

0xFFFFF438

Default value:

0x000000XX

Access:

Write

Function:

GP1CLR is a data clear Port x register.

GP2CLR Registers

Name:

GP2CLR

Address:

0xFFFFF448

Default value:

0x000000XX

Access:

Write

Function:

GP2CLR is a data clear Port x register.

Rev. E

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