STM6513 datasheet(7/29 Pages) STMICROELECTRONICS

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STM6513

Device overview

Doc ID 16490 Rev 2

7/29

Device overview

Table 1.

Signal names

Symbol

Input/output

Description

RST1

Output

First reset output, active-high, push-pull.

RST2

Output

Second reset output, active-low, open-drain.

SR0

Input

Primary push-button Smart Reset input. Active-low.

SR1

Input

Secondary push-button Smart Reset input. Active-low.

TSR

Input

A Three-state Smart Reset input delay setup control. When connected

to ground, tSRC = 2 s; when left open, tSRC = 6 s; when connected to

VCC, tSRC = 10 s (all times are minimum). TSR is a DC-type input,

intended to be either permanently grounded, permanently connected

to VCC or permanently left open. If left open, for improved system glitch

immunity it is strongly recommended to connect a 0.1 µF decoupling

ceramic capacitor between the TSR and VSS pins.

TRECADJ

Input

Input pin for tREC1 reset pulse duration adjustment. Connect an

external capacitor CtREC to this pin to determine tREC1; tREC2 is factory-

programmed.

VCC

Supply

Positive supply voltage input. Power supply for the device and an input

for the monitored supply voltage. A 0.1 µF decoupling ceramic

capacitor is recommended to be connected between VCC and VSS

pins.

VSS

Supply

Ground

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