AS3977 datasheet(24/47 Pages) AMSCO

24 / 47 page

www.austriamicrosystems.com/AS3977

Revision 3.6

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AS3977

Data Sheet - A p p l i c a t i o n I n f o r m a t i o n

Figure 10. Reading of a Single Byte (falling edge sampling)

Figure 11. Reading of Data with Auto-Incrementing Address

DATAI

DATAO

CLK

ENABLE

DATAIO

DATAIO line driver control changes from

microcontroller to AS3977

In case the enable has been longer than 2

16 clock cycles

low, the power down state is left and data take over condi-

tion is determined here

Data D7-D0 at Address A5-A0 is trans-

ferred to the Output Register of AS3977

Signals

end of

read

Enable low must be shorter than 2

16 clock cycles to keep the power

conditions and the data takeover condition

DATAI

(µC Driven)

DATAIO

CLK

ENABLE

DATAO

(AS3977

Driven)

Data D7-D0 at

Address A5-A0 is

transferred here

Data D7-D0 at

Address A5-A0+1 is

transferred here

Data D7-D0 at

Address A5-A0+2 is

transferred here

Data D7-D0 at

Address A5-A0+3 is

transferred here

Data D7-D0 at

Address A5-A0+4 is

transferred here

AS3977 数据表(PDF) 24 Page - ams AG

AS3977 数据表(HTML) 24 Page - ams AG

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AS3977 数据表(PDF) 24 Page - ams AG

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