UPSD3234AV-24U1T STMicroelectronics, UPSD3234AV-24U1T Datasheet - Page 44

• Manufacturer Part Number: UPSD3234AV-24U1T
• Description: Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
• Manufacturer: STMicroelectronics

www.DataSheet4U.com
uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Figure 18. PORT Type and Description (Part 2)
44/170
PORT4<7:3,1:0>
PORT1 <3:0>,
PORT1 < 7:4 >
PORT4.2
Symbol
PORT3,
PORT2
USB - ,
USB +
Out
In/
I/O
I/O
I/O
I/O
+
–
Circuit
an_enb
TTL compatible interface
Bidirectional I/O port with internal
Schmitt input
CMOS compatible interface
Bidirectional I/O port with internal
Bidirectional I/O port with internal
pull-ups
Schmitt input.
Bidirectional I/O port
Schmitt input
Schmitt input
CMOS compatible interface
Analog input option
pull-ups
pull-ups
TTL compatible interface
Pull-up when reset
Address Latch Enable
Program Strobe Enable
Function
AI06654