Microcontroller User's Manual

MOTOROLA Chapter 26. General Purpose I/O Module 26-23
Memory Map/Register Definition
26.3.2.14 Port TD Pin Assignment Register (PTDPAR)
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 6543210
Field PTDPA3 PTDPA2 PTDPA1 PTDPA0
Reset 0000_0000
R/W: R/W
Address IPSBAR + 0x10_005B
Figure 26-27. Port TD Pin Assignment Register (PTDPAR)
Table 26-18. PTDPAR Field Descriptions
Bits Name Description
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)
Table 26-17. PTCPAR Field Descriptions (continued)
Bits Name Description