Motorola MCF5281 用户手册

MOTOROLA

Chapter 26.  General Purpose I/O Module  

26-15

The PEPAR controls the pin function of port E.

The PEPAR register is read/write.

15

14

13

12

11

10

9

8

Field

—

PEPA7

—

PEPA6

—

PEPA5

—

PEPA4

Reset

0

See Note 1

0

See  Note  1

0

See  Note  1

0

See  Note  1

R/W:

R

R/W

R

R/W

R

R/W

R

R/W

7

6

5

4

3

2

1

0

Field

—

PEPA3

—

PEPA2

PEPA1

PEPA0

Reset

0

See Note 1

 1

1

Reset state determined during reset configuration as shown in Table 26-10.

0

See  Note  1

See Note 1

See Note 1

R/W:

R

R/W

R

R/W

R/W

R/W

Address

IPSBAR + 0x10_0052

14

PEPA7

Port E pin assignment 7.
This bit configures the port E7 pin for its primary function (OE) or digital 
I/O.
1 Port E7 pin configured for primary function (OE)
0 Port E7 pin configured for digital I/O

12

PEPA6

Port E pin assignment 6.
This bit configures the port E6 pin for its primary function (TA) or digital 
I/O.
1 Port E6 pin configured for primary function (TA)
0 Port E6 pin configured for digital I/O

10

PEPA5

Port E pin assignment 5.
This bit configures the port E5 pin for its primary function (TEA) or digital 
I/O.
1 Port E5 pin configured for primary function (TEA)
0 Port E5 pin configured for digital I/O

8

PEPA4

Port E pin assignment 4.
This bit configures the port E4 pin for its primary function (R/W) or digital 
I/O.
1 Port E4 pin configured for primary function (R/W)
0 Port E4 pin configured for digital I/O