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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

–