STM706SM6E 데이터 시트보기 (PDF) - STMicroelectronics

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STM706SM6E

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STMicroelectronics 

STM706T/S/R; STM706P; STM708T/S/R

Interfacing to Microprocessors with Bi-

directional Reset Pins

Microprocessors with bi-directional reset pins can

contend with the STM70x reset output. For exam-

ple, if the reset output is driven high and the micro

wants to pull it low, signal contention will result. To

prevent this from occurring, connect a 4.7kΩ resis-

tor between the reset output and the micro’s reset

I/O as in Figure 12.

Figure 12. Interfacing to Microprocessors with

Bi-directional Reset I/O

Buffered Reset to other

System Components

VCC

STM70x

4.7k

RST

VCC

Microprocessor

RST

GND

GND

AI08845

TYPICAL OPERATING CHARACTERISTICS

Note: Typical values are at TA = 25°C.

Figure 13. Supply Current vs. Temperature (no load)

30

25

20

15

10

5

0

–40

–20

0

20

40

60

Temperature (°C)

VCC = 2.7V

VCC = 3.0V

VCC = 3.6V

VCC = 4.5V

VCC = 5.5V

80

100

120

AI09141b

10/26

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