STM708ADS6E 데이터 시트보기 (PDF) - STMicroelectronics

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STM708ADS6E

5 V supervisor

STMicroelectronics 

STM705, STM706, STM707, STM708, STM813L

Pin descriptions

2.7

PFO

When PFI is less than VPFI, PFO goes low; otherwise, PFO remains high. Leave open if

unused. Output type is push-pull.

Table 3.

Pin description

Pin

STM813L

1

6

8

—

7

2

4

5

3

—

STM707

STM708

1

—

—

7

8

2

4

5

3

6

STM705

STM706

1

6

8

7

—

2

4

5

3

—

Name

Function

MR

WDI

WDO

RST

RST

VCC

PFI

PFO

VSS

NC

Push-button reset input

Watchdog input

Watchdog output (push-pull)

Active-low reset output

Active-high reset output

Supply voltage

Power-fail input

Power-fail output (push-pull)

Ground

No connect

Figure 7. Block diagram (STM705/706/813L)

WDI

VCC

MR

PFI

WDI

transitional

detector

WATCHDOG

TIMER

VCC

VRST

COMPARE

VPFI

COMPARE

1. For STM813L only.

WDO

trec

generator

RST (RST)(1)

PFO

AI08829

Doc ID 10520 Rev 9

9/33

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