ST7LUS5 datasheet(59/124 Pages) STMICROELECTRONICS

Part #	ST7LUS5

Description	8-bit low cost, low pin-count MCU for automotive,with single voltage Flash memory, ADC, timers

PDF	124 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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59 / 124 page

ST7LUS5, ST7LU05, ST7LU09

I/O ports

59/124

Table 27.

I/O port mode options(1)

Off = implemented not activated

On = implemented and activated

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

Table 28.

I/O port configurations

Hardware configuration

When the I/O port is in input configuration and the associated alternate function is enabled as an output,

reading the DR register will read the alternate function output status.

When the I/O port is in output configuration and the associated alternate function is enabled as an input,

the alternate function reads the pin status given by the DR register content.

CONDITION

PAD

VDD

RPU

EXTERNAL INTERRUPT

POLARITY

DATA BUS

PULL-UP

INTERRUPT

DR REGISTER ACCESS

FROM

OTHER

PINS

SOURCE (eix)

SELECTION

CONDITION

ALTERNATE INPUT

ANALOG INPUT

PAD

RPU

DATA BUS

DR REGISTER ACCESS

R/W

VDD

ALTERNATE

ENABLE

OUTPUT

PAD

RPU

DATA BUS

DR REGISTER ACCESS

R/W

VDD

ALTERNATE

ENABLE

OUTPUT

ST7LUS5 Datasheet(PDF) 59 Page - STMicroelectronics

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