Description

STM6522

6/25

Doc ID 17045 Rev 2

Figure 2.

Pin connections

Figure 3.

Block diagram

Table 1.

Signal names

Symbol

Input/

output

Description

RST1

Output

Open-drain reset output, active-low, no internal pull-up resistor.

RST2

Output

Open-drain reset output, active-low, no internal pull-up resistor.

SR0

Input

Primary push-button Smart Reset™ input, active-low, fixed voltage input logic

levels, no internal pull-up.

SR1

Input

Secondary push-button Smart Reset™ input - combines with the primary push-

button reset to provide setup delay time, active-low, fixed voltage input logic

levels, no internal pull-up.

SRC

Input

Smart Reset™ input delay setup control: connect to an external capacitor to

Supply

Supply voltage input. Power supply for the device. A 0.1 µF decoupling ceramic

Supply

Supply ground.

NC

AM04868v2

SRC

NC

1

2

3

STM6522

4

8

7

6

5

RST2

VSS

VCC

SR1

SR0

RST1

SR0

RST1

t

REC

generator

RST2

SR1

AM04869v2

t

SRC

generator

SRC