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Memory Map/Register Definition
Table 26-18. PTDPAR Field Descriptions (continued)
Bits
3-2
1-0
26.3.2.15 Port UA Pin Assignment Register (PUAPAR)
The PUAPAR controls the pin function of port UA.
7
Field
Reset
R/W:
Address
Figure 26-28. Port UA Pin Assignment Register (PUAPAR)
Bits
7–4
3
2
1
0
26-24
Name
PTDPA1
Port TD pin assignment 1. This field configures the port TD1 pin for its primary
function (DTIN0), alternate 1 function (UCTS1), alternate 2 function (UCTS0) or
digital I/O.
00 Port TD1 pin configured for digital I/O
01 Port TD1 pin configured for alternate 2 function (UCTS0)
10 Port TD1 pin configured for alternate 1 function (UCTS1)
11 Port TD1 pin configured for primary function (DTIN0)
PTDPA0
Port TD pin assignment 0. This field configures the port TD0 pin for its primary
function (DTOUT0), alternate 1 function (UCTS1), alternate 2 function (UCTS0)
or digital I/O.
00 Port TD0 pin configured for digital I/O
01 Port TD0 pin configured for alternate 2 function (UCTS0)
10 Port TD0 pin configured for alternate 1 function (UCTS1)
11 Port TD0 pin configured for primary function (DTOUT0)
—
R
IPSBAR + 0x10_005C
Table 26-19. PUAPAR Field Descriptions
Name
—
Reserved, should be cleared.
PUAPA3
Port UA pin assignment 3. This bit configures the port UA3 pin for its
primary function (URXD1) or digital I/O.
1 Port UA3 pin configured for primary function (URXD1)
0 Port UA3 pin configured for digital I/O
PUAPA2
Port UA pin assignment 2. This bit configures the port UA2 pin for its
primary function (UTXD1) or digital I/O.
1 Port UA2 pin configured for primary function (UTXD1)
0 Port UA2 pin configured for digital I/O
PUAPA1
Port UA pin assignment 1. This bit configures the port UA1 pin for its
primary function (URXD0) or digital I/O.
1 Port UA1 pin configured for primary function (URXD0)
0 Port UA1 pin configured for digital I/O
PUAPA0
Port UA pin assignment 0. This bit configures the port UA0 pin for its
primary function (UTXD0) or digital I/O.
1 Port UA0 pin configured for primary function (UTXD0)
0 Port UA0 pin configured for digital I/O
MCF5282 User's Manual
Description
4
3
2
PUAPA3
PUAPA2
0000_0000
Description
1
0
PUAPA1
PUAPA0
R/W
MOTOROLA
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