14 port td pin assignment register (ptdpar), 14 port td pin assignment register (ptdpar) -25, The ptdpar controls the pin function of port td – Motorola ColdFire MCF5281 User Manual
Page 525
General Purpose I/O Module
Freescale Semiconductor
26-25
26.3.2.14 Port TD Pin Assignment Register (PTDPAR)
The PTDPAR controls the pin function of port TD.
Table 26-17. PTCPAR Field Descriptions
Bits
Name
Description
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)
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
Figure 26-28. Port TD Pin Assignment Register (PTDPAR)
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3