General-purpose I/Os (GPIO)
Figure 17
port bit configurations.
1. V
DD_FT
MODER(i)
[1:0]
01
182/1284
show the basic structure of a 5 V tolerant I/O port bit.
Figure 17. Basic structure of a five-volt tolerant I/O port bit
is a potential specific to five-volt tolerant I/Os and different from V
Table 25. Port bit configuration table
OSPEEDR(i)
OTYPER(i)
0
0
0
0
SPEED
[B:A]
1
1
1
1
DocID029473 Rev 3
PUPDR(i)
[B:A]
[1:0]
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
Table 25
gives the possible
.
DD
(1)
I/O configuration
GP output
PP
GP output
PP + PU
GP output
PP + PD
Reserved
GP output
OD
GP output
OD + PU
GP output
OD + PD
Reserved (GP output OD)
RM0430
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