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uPSD3212A, uPSD3212C, uPSD3212CV
Figure 18. PORT Type and Description (Part 2)
AI07428b
Symbol Circuit Function
In/
Out
PORT1 <3:0>,
PORT3,
PORT4<7:3,1:0>
PORT2
I/O
PORT4.2
Bidirectional I/O port with
internal pull-ups
Schmitt input
CMOS compatible interface
Bidirectional I/O port with internal
pull-ups
Schmitt input.
TTL compatible interface
PORT1 < 7:4 > I/O
Bidirectional I/O port with
internal pull-ups
Schmitt input
CMOS compatible interface
Analog input option
I/O
an_enb
USB–, USB+
Bidirectional I/O port
Schmitt input
TTL compatible interface
I/O
+
–