40 input-pin pull-up control register 1 (ppupr1), 41 input-pin pull-up control register 2 (ppupr2) – Renesas SH7781 User Manual

Page 1471

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28. General Purpose I/O Ports (GPIO)

Rev.1.00 Jan. 10, 2008 Page 1441 of 1658

REJ09B0261-0100

28.2.40

Input-Pin Pull-Up Control Register 1 (PPUPR1)

PPUPR1 is a 16-bit readable/writable register that performs the pull-up control for the pin
corresponding to each bit of the register field.

0

1

2

3

4

5

6

7

8

9

10

11

12

13

15

14

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

RDY
PUP

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Bit:

Initial value:

R/W:

Bit Bit

Name

Initial
value R/W Description

15 to 3

All 1

R/W

Reserved

These bits are always read as 1, and the write value
should always be 1.

2

RDYPUP

1

R/W

Controls pull-up of the

RDY pin

0:

RDY pull-up off

1:

RDY pull-up on

1 and 0 —

All 1

R/W

Reserved

These bits are always read as 1, and the write value
should always be 1.

28.2.41

Input-Pin Pull-Up Control Register 2 (PPUPR2)

PPUPR2 is a 16-bit readable/writable register that performs the pull-up control for the pin
corresponding to each bit of the register field.

0

1

2

3

4

5

6

7

8

9

10

11

12

13

15

14

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

IRL2
PUP

IRL3
PUP

IRL0
PUP

IRL1
PUP

SIOF

UP1

NMI

PUP

CLK

PUP

SIOF

UP0

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Bit:

Initial value:

R/W:

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