Motorola MCF5281 用户手册

26-22

MOTOROLA

 

The PTCPAR controls the pin function of port TC.

2

PQSPA2

Port QS pin assignment 2. This bit configures the port QS2 pin for its primary 
function (QSPI_CLK) or digital I/O.
1 Port QS2 pin configured for primary function (QSPI_CLK)
0 Port QS2 pin configured for digital I/O

1

PQSPA1

Port QS pin assignment 1. This bit configures the port QS1 pin for its primary 
function (QSPI_DIN) or digital I/O.
1 Port QS1 pin configured for primary function (QSPI_DIN)
0 Port QS1 pin configured for digital I/O

0

PQSPA0

Port QS pin assignment 0. This bit configures the port QS0 pin for its primary 
function (QSPI_DOUT) or digital I/O.
1 Port QS0 pin configured for primary function (QSPI_DOUT)
0 Port QS0 pin configured for digital I/O

7

6

5

4

3

2

1

0

Field

PTCPA3

PTCPA2

PTCPA1

PTCPA0

Reset

0000_0000

R/W:

R/W

Address

IPSBAR + 0x10_005A

7–6

PTCPA3

Port TC pin assignment 3. This field configures the port TC3 pin for 
its primary function (DTIN3), alternate 1 function (URTS1), 
alternate 2 function (URTS0) or digital I/O.
00 Port TC3 pin configured for digital I/O
01 Port TC3 pin configured for alternate 2 function (URTS0)
10 Port TC3 pin configured for alternate 1 function (URTS1)
11 Port TC3 pin configured for primary function (DTIN3)

5-4

PTCPA2

Port TC pin assignment 2. This field configures the port TC2 pin for 
its primary function (DTOUT3), alternate 1 function (URTS1), 
alternate 2 function (URTS0) or digital I/O.
00 Port TC2 pin configured for digital I/O
01 Port TC2 pin configured for alternate 2 function (URTS0)
10 Port TC2 pin configured for alternate 1 function (URTS1)
11 Port TC2 pin configured for primary function (DTOUT3)