MAX6651EEE datasheet(7/25 Pages) MAXIM

Teilenummer	MAX6651EEE

Bauteilbeschribung	Fan-Speed Regulators and Monitors with SMBus/I2C-Compatible Interface

PDF	25 Pages

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Hersteller	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Slave Address

Command byte: Selects

which register you are

writing to.

Data byte: Data goes into

the register set by the

command byte (to set

thresholds, configuration

masks, and sampling rate).

Figure 2a. SMBus Protocol: Write Byte Format

Slave Address

Command byte: Selects

which register you are

reading from.

Slave Address.

Repeated due to

change in data-flow

direction

Data byte: Reads from

the register set by the

command byte.

Figure 2b. SMBus Protocol: Read Byte Format

Data byte: Reads data

from the register com-

manded by the last

read-byte or write-byte

transmission; also

used for SMBus alert

response return address.

Figure 2c. SMBus Protocol: Receive Byte Format

S = Start condition

Shaded = Slave transmission

WR = Write = 0

P = Stop condition

ACK = Acknowledged = 0

RD = Read =1

A = Not acknowledged = 1

Fan-Speed Regulators and Monitors

with SMBus/I2C-Compatible Interface

Maxim Integrated

MAX6650/MAX6651

COMMAND

8 bits

ACK

DATA

8 bits

ACK

ADDRESS

7 bits

ACK

COMMAND

8 bits

ACK

ADDRESS

7 bits

ACK

DATA

8 bits

ADDRESS

7 bits

ACK

DATA

8 bits

ADDRESS

7 bits

ACK

Slave Address

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