Motorola MCF5281 사용자 설명서

MOTOROLA

Chapter 26.  General Purpose I/O Module  

26-23

The PTDPAR controls the pin function of port TD.

3-2

PTCPA1

Port TC pin assignment 1. This field configures the port TC1 pin for 
its primary function (DTIN2), alternate 1 function (UCTS1), 
alternate 2 function (UCTS0) or digital I/O.
00 Port TC1 pin configured for digital I/O
01 Port TC1 pin configured for alternate 2 function (UCTS0)
10 Port TC1 pin configured for alternate 1 function (UCTS1)
11 Port TC1 pin configured for primary function (DTIN2)

1-0

PTCPA0

Port TC pin assignment 0. This field configures the port TC0 pin for 
its primary function (DTOUT2), alternate 1 function (UCTS1), 
alternate 2 function (UCTS0) or digital I/O.
00 Port TC0 pin configured for digital I/O
01 Port TC0 pin configured for alternate 2 function (UCTS0)
10 Port TC0 pin configured for alternate 1 function (UCTS1)
11 Port TC0 pin configured for primary function (DTOUT2)

7

6

5

4

3

2

1

0

Field

PTDPA3

PTDPA2

PTDPA1

PTDPA0

Reset

0000_0000

R/W:

R/W

Address

IPSBAR + 0x10_005B

7–6

PTDPA3

Port TD pin assignment 3. This field configures the port TD3 pin for its primary 
function (DTIN1), alternate 1 function (URTS1), alternate 2 function (URTS0) or 
digital I/O.
00 Port TD3 pin configured for digital I/O
01 Port TD3 pin configured for alternate 2 function (URTS0)
10 Port TD3 pin configured for alternate 1 function (URTS1)
11 Port TD3 pin configured for primary function (DTIN1)

5-4

PTDPA2

Port TD pin assignment 2. This field configures the port TD2 pin for its primary 
function (DTOUT1), alternate 1 function (URTS1), alternate 2 function (URTS0) 
or digital I/O.
00 Port TD2 pin configured for digital I/O
01 Port TD2 pin configured for alternate 2 function (URTS0)
10 Port TD2 pin configured for alternate 1 function (URTS1)
11 Port TD2 pin configured for primary function (DTOUT1)