Rainbow-electronics DS1094L Manual de usuario descargar pdf (Pagina 11)

DS1094L

Multiphase Spread-Spectrum EconOscillator

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11

DALLAS is a registered trademark of Dallas Semiconductor Corporation.

Chip Topology

TRANSISTOR COUNT: 7987

SUBSTRATE CONNECTED TO: GROUND

Package Information

For the latest package outline information, go to

www.maxim-ic.com/DallasPackInfo.

SLAVE ADDRESS

START 1 0 1 1 A2* A1* A0*

R/W

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

SLAVE

ACK

MSB LSB

b7 b6 b5 b4 b3 b2 b1 b0

MSB LSB

READ/

WRITE

COMMAND/REGISTER ADDRESS

b7 b6 b5 b4 b3 b2 b1 b0

MSB LSB

DATA

STOP

A) SINGLE BYTE WRITE

-WRITE DAC REGISTER TO 0Ah

C) SINGLE BYTE WRITE

-WRITE PRESCALER

B) SINGLE BYTE READ

-READ DAC REGISTER

D) WRITE EE COMMAND

- NEEDED ONLY IF WC = 1

TYPICAL 2-WIRE WRITE TRANSACTION

START STOP10110000 00111111

B0h 3Fh

START

REPEATED

START

B1h

MASTER

NACK

STOP10110000 00001000

B0h 08h

10110001

START 1 0 1 1 0 000 00001000

B0h 08h

STOP

DAC VALUE

START 1 0 1 1 0 000 00000010

B0h 02h

STOP

DATA

CDh

0Ah

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

* THE ADDRESS DETERMINED BY A0, A1, AND A2 MUST MATCH THE ADDRESS SET IN THE ADDR REGISTER.

00001010

11001101

Figure 5. 2-Wire Communication Examples

1 2 ... 6 7 8 9 10 11

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