DAC1221 datasheet(13/16 Pages) TI1

tên linh kiện	DAC1221

Giải thích chi tiết về linh kiện	16-Bit Low Power DIGITAL-TO-ANALOG CONVERTER

PDF	16 Pages

Scroll/Zoom	100%

nhà sản xuất	TI1 [Texas Instruments]

Trang chủ	http://www.ti.com

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13 / 16 page

DAC1221

OUT MSB

OUT0

SDIO is an input

SDIO is an output

IN7

IN0

SCLK

SDIO

Start

Writing

Start

Reading

External device

generates 8

serial clock cycles

and transmits

instruction register

data via SDIO

CS taken HIGH

for t

15 periods

minimum

(or CS tied LOW)

External device

generates n

serial clock cycles

and transmits

specified

via SDIO

state

instructions?

End

HIGH

Yes

LOW

Is next

instruction

a read?

Yes

state

From Read

flowchart

HIGH

LOW

To Read

flowchart

External device

generates 8 serial

clock cycles and

transmits instruction

via SDIO

SDIO input to

output transition

state

instructions?

End

HIGH

Yes

LOW

Is next

instruction

a Write?

Yes

state

To Write

flowchart

HIGH

LOW

To Write

flowchart

External device

generates n serial

clock cycles and

receives specified

SDIO transitions to

tri-state condition

CS taken HIGH

for t

15 periods

minimum

(or CS tied LOW)

FIGURE 9. SDIO Input to Output Transition Timing.

FIGURE 10. Flowchart for Writing and Reading Register Data.

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