MAX6692MUA 데이터 시트보기 (PDF) - Maxim Integrated

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MAX6692MUA

Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms

Maxim Integrated 

Precision SMBus-Compatible Remote/Local

Temperature Sensors with Overtemperature Alarms

Table 5. Command-Byte Bit Assignments

REGISTER

RLTS

RRTE

RSL

RCL

RCRA

RLHN

RLLI

RRHI

RRLS

WCA

WCRW

WLHO

WLLM

WRHA

WRLN

OSHT

REET

RIET

RWOE

RWOI

HYS

QUEUE

—

—

ADDRESS

00h

01h

02h

03h

04h

05h

06h

07h

08h

09h

0Ah

0Bh

0Ch

0Dh

0Eh

0Fh

10h

11h

19h

20h

21h

22h

FEh

FFh

POR STATE

0000 0000

0°C

0000 0000

0°C

N/A

—

0000 0000

—

0000 0111

—

0101 0101

+85°C

0000 0000

0°C

0101 0101

+85°C

0000 0000

0°C

N/A

—

N/A

—

N/A

—

N/A

—

N/A

—

N/A

—

N/A

—

0000 0000

0°C

0000 0000

0°C

0110 1110

+110°C

0101 0101

+85°C

0101 0101

+85°C

0000 1010

10°C

1000 0000

—

0100 1101

—

0101 1001

—

FUNCTION

Read local (internal) temperature

Read remote (external) temperature

Read status byte

Read configuration byte

Read conversion rate byte

Read local (internal) ALERT high limit

Read local (internal) ALERT low limit

Read remote (external) ALERT high limit

Read remote (external) ALERT low limit

Write configuration byte

Write conversion rate byte

Write local (internal) ALERT high limit

Write local (internal) ALERT low limit

Write remote (external) ALERT high limit

Write remote (external) ALERT low limit

One-shot

Read remote (external) extended temperature

Read local (internal) extended temperature

Read/write remote (external) OVERT limit (MAX6648)

Read/write remote (external) OVERT limit (MAX6692)

Read/write local (internal) OVERT limit

Overtemperature hysteresis

Fault queue

Read manufacture ID

Read revision ID

Table 6. Configuration-Byte Bit Assignments (03h)

BIT

7 (MSB)

6

5 to 0

NAME

MASK

RUN

RFU

POR STATE

0

0

0

FUNCTION

Masks ALERT interrupts when set to 1.

Standby mode control bit; if set to 1, standby mode is initiated.

Reserved.

only at the 3 LSBs of this register, so the upper 5 bits

are don’t care bits, which should be set to zero. The

conversion rate tolerance is ±25% at any rate setting.

Valid A/D conversion results for both channels are avail-

able one total conversion time (125ms nominal, 156ms

maximum) after initiating a conversion, whether conver-

sion is initiated through the RUN bit, one-shot com-

mand, or initial power-up. Changing the conversion rate

can also affect the delay until new results are available.

Slave Addresses

The MAX6648/MAX6692 have a fixed address of 1001

100. The MAX6648/MAX6692 also respond to the

SMBus alert response slave address (see the Alert

Response Address section).

POR and UVLO

To prevent ambiguous power-supply conditions from

corrupting the data in memory and causing erratic

behavior, a POR voltage detector monitors VCC and

10 ______________________________________________________________________________________

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