DS1086 Просмотр технического описания (PDF) - Maxim Integrated

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DS1086

Spread-Spectrum EconOscillator

Maxim Integrated 

Spread-Spectrum EconOscillator

TYPICAL 2-WIRE WRITE TRANSACTION

MSB

LSB

MSB

LSB

MSB

LSB

START

1

0

1

1

A2*

A1*

A0* R/W

SLAVE

ACK

b7

b6

b5

b4 b3

b2

b1 b0

SLAVE

ACK

b7

b6

b5

b4 b3

b2

b1 b0

SLAVE

ACK

STOP

DEVICE IDENTIFIER

DEVICE READ/

COMMAND/REGISTER ADDRESS

DATA

ADDRESS WRITE

EXAMPLE 2-WIRE TRANSACTIONS (WHEN A0, A1, AND A2 ARE ZERO)

B0h

A) SINGLE BYTE WRITE

-WRITE OFFSET REGISTER

START 1 0 1 1 0 0 0 0

SLAVE

ACK

0Eh

00001110

SLAVE

ACK

DATA

OFFSET

SLAVE

ACK

STOP

B) SINGLE BYTE READ

-READ OFFSET REGISTER

B0h

0Eh

B1h

START 1 0 1 1 0 0 0 0

SLAVE

ACK

00001110

SLAVE

ACK

REPEATED

START

10110001

SLAVE

ACK

DATA

OFFSET

MASTER

NACK

STOP

C) TWO BYTE WRITE

-WRITE DAC REGISTER

B0h

08h

START

10110000

SLAVE

ACK

00001000

SLAVE

ACK

DATA

DAC MSB

SLAVE

ACK

DATA

DAC LSB

SLAVE

ACK

STOP

D) TWO BYTE READ

-READ DAC REGISTER

B0h

08h

B1h

START

10110000

SLAVE

ACK

00001000

SLAVE

ACK

REPEATED

START

10110001

SLAVE

ACK

DATA

DAC MSB

MASTER

ACK

DATA

DAC LSB

MASTER

NACK

STOP

*THE ADDRESS DETERMINED BY A0, A1, AND A2 MUST

MATCH THE ADDRESS SET IN THE ADDR REGISTER.

Figure 7. 2-Wire Transactions

Chip Information

SUBSTRATE CONNECTED TO GROUND

Package Information

For the latest package outline information and land patterns

(footprints), go to www.maxim-ic.com/packages. Note that a

“+”, “#”, or “-” in the package code indicates RoHS status only.

Package drawings may show a different suffix character, but

the drawing pertains to the package regardless of RoHS status.

PACKAGE

TYPE

8 µSOP

PACKAGE

CODE

U8-1

LAND

OUTLINE NO. PATTERN NO.

21-0036

90-0092

8 SO

S8-4

21-0041

90-0096

14 ______________________________________________________________________________________

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