UPSD3234AV-24U1T STMicroelectronics, UPSD3234AV-24U1T Datasheet - Page 43

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

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PORT Type and Description
Figure 17. PORT Type and Description (Part 1)
WR, RD,ALE,
PSEN
XTAL1,
Symbol
RESET
XTAL2
PORT0
Out
In /
I/O
O
O
I
I
uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Circuit
NFC
xon
• Schmitt input with internal pull-up
Output only
CMOS compatible interface
NFC : 400ns
On-chip oscillator
On-chip feedback resistor
Stop in the power down mode
External clock input available
CMOS compatible interface
Bidirectional I/O port
Schmitt input
Address Output ( Push-Pull )
CMOS compatible interface
Description
AI06653
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