MCP9804T-ESLASHMS datasheet(32/52 Pages) MICROCHIP

32 / 52 page

MCP9804

DS20002203D-page 32

 2009-2018 Microchip Technology Inc.

FIGURE 5-10:

Alert Output Conditions

TUPPER

TLOWER

TCRIT

TUPPER – THYST

Comparator

Interrupt

S/w Int. Clear

Critical Only

TCRIT – THYST

Notes

Alert Output Boundary

Conditions

Comparator

Interrupt

Critical

TA Bits

Alert Output (Active-Low/High)

1TA  TLOWER

High/Low

Low/High

High/Low

2TA  TLOWER – THYST

Low/High

High/Low

3TA  TUPPER

Low/High

High/Low

TA  TUPPER – THYST

High/Low

Low/High

High/Low

TA  TCRIT

Low/High

When TA  TCRIT, the Alert output is forced to Comparator mode and the CONFIG<0> (Alert

Output Mode bit) is ignored until TA  TCRIT – THYST. In the Interrupt mode, if the interrupt is not

cleared (bit 5 of CONFIG), as shown in the diagram at Note 6, then Alert will remain asserted at

Note 7 until the interrupt is cleared by the controller.

7TA  TCRIT – THYST

Low/High

High/Low

TLOWER – THYST

TUPPER – THYST

Notes:

Comparator

Interrupt

S/w Int. Clear

Critical Only

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