STM813LAM6E View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM813LAM6E

5 V supervisor

STMicroelectronics 

STM705, STM706, STM707, STM708, STM813L

Operation

3.7

Interfacing to microprocessors with bidirectional reset pins

Microprocessors with bidirectional reset pins can contend with the STM705-708 reset

output. For example, 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 4.7 kΩ resistor

between the reset output and the micro's reset I/O as in Figure 11.

Figure 11. Interfacing to microprocessors with bidirectional reset I/O

Buffered reset to other

system components

VCC

STMXXX

RST

4.7 k

GND

VCC

Microprocessor

RST

GND

AI08836

Doc ID 10520 Rev 9

13/33

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