ST72325AR7-Auto datasheet(76/243 Pages) STMICROELECTRONICS

No. de pieza	ST72325AR7-Auto

Descripción Electrónicos	SCI asynchronous serial interface

PDF	243 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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76 / 243 page

Obsolete

Product(s)

- Obsolete

Product(s)

I/O ports

ST72325xxx-Auto

76/243

Doc ID 13770 Rev 3

Figure 31.

I/O port general block diagram

Table 30.

I/O port mode options

Configuration mode

Pull-up

P-buffer

Diodes

to VDD

to VSS

Input

Floating with/without Interrupt

Off

Pull-up with/without Interrupt

Output

Push-pull

Off

Open-drain (logic level)

Off

True open-drain

NI(1)

The diode to VDD is not implemented in the true open-drain pads. A local protection between the pad and

VSS is implemented to protect the device against positive stress.

Legend:

Off - Implemented not activated

On - Implemented and activated

- Not implemented

DDR

PAD

VDD

ALTERNATE

ENABLE

ALTERNATE

OUTPUT

OR SEL

DDR SEL

DR SEL

PULL-UP

CONDITION

P-BUFFER

(see table below)

N-BUFFER

PULL-UP

(see table below)

ANALOG

INPUT

If implemented

ALTERNATE

INPUT

VDD

DIODES

(see table below)

EXTERNAL

SOURCE (eix)

INTERRUPT

CMOS

SCHMITT

TRIGGER

ACCESS

ST72325AR7-Auto Datasheet(PDF) 76 Page - STMicroelectronics

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