MCP9804-ESLASHMS datasheet(32/54 Pages) MICROCHIP

部件名	MCP9804-E/MS

功能描述	짹0.25째C Typ. Accuracy Digital Temperature Sensor

PDF	54 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

32 / 54 page

MCP9804

DS22203A-page 32

FIGURE 5-11:

Alert Output Condition.

TUPPER

TLOWER

TCRIT

TUPPER - THYST

Comparator

Interrupt

S/w Int. Clear

Critical Only

TCRIT - THYST

TABLE 5-3:

ALERT OUTPUT CONDITIONS

Note

Alert Output Boundary

Conditions

Alert Output

TA Bits

Comparator

Interrupt

Critical

1TA ≥ TLOWER

000

2TA < TLOWER - THYST

001

3TA > TUPPER

010

TA ≤ TUPPER - THYST

000

TA ≥ TCRIT

110

6TA < TCRIT - THYST

010

When TA ≥ TCRIT and TA < TCRIT - THYST the Alert output is Comparator mode and bits 0 of

CONFIG (Alert output mode) is ignored. Also, in Interrupt mode, if Interrupt Clear bit is not set

then when temperature drops below the critical limit (note 6), the Alert output remains asserted.

TLOWER -THYST

TUPPER - THYST

Note:

MCP9804-E/MS 数据表(PDF) 32 Page - Microchip Technology

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