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9202 Fiches technique(PDF) 49 Page - STMicroelectronics

No de pièce 9202
Description  Flash Programmable System Devices with 8032 Microcontroller Core
PDF  175 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

9202 Fiches technique(HTML) 49 Page - STMicroelectronics

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UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
Figure 18. PORT Type and Description (Part 2)
AI06654
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
Pull-up when reset
Address Latch Enable
Program Strobe Enable
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
+
–



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