TMP411D datasheet(37/60 Pages) TI2

37 / 60 page

Table 8-6. N-Factor Range (continued)

NADJUST

BINARY

HEX

DECIMAL

0000 0100

1.021622

0000 0010

1.014765

0000 0001

1.011371

0000 0000

1.008

1111 1111

−1

1.004651

1111 1110

−2

1.001325

1111 1100

−4

0.994737

1111 1010

−6

0.988235

1111 1000

−8

0.981818

1111 0110

−10

0.975484

1000 0000

−128

0.706542

8.10 Minimum and Maximum Registers

The TMP411-Q1 and TMP411D-Q1 stores the minimum and maximum temperature measured since power

on, chip reset, or minimum and maximum register reset for both the local and remote channels. The Local

Temperature Minimum Register is read with the high byte from pointer address 30h, and the low byte is read

from pointer address 31h. The Local Temperature Minimum Register is read with a two-byte read command from

pointer address 30h. The Local Temperature Minimum Register resets at power-on by executing the chip-reset

command, or by writing any value to any of the pointer addresses 30h through 37h. The reset value for these

registers is FFh/F0h.

The Local Temperature Maximum Register is read with the high byte from pointer address 32h and the low byte

from pointer address 33h. The Local Temperature Maximum Register is read with a two-byte read command

from pointer address 32h. The Local Temperature Maximum Register resets at power-on by executing the chip

reset command, or by writing any value to any of the pointer addresses 30h through 37h. The reset value for

these registers is 00h/00h.

The Remote Temperature Minimum Register is read with the high byte from pointer address 34h and the

low byte from pointer address 35h. The Remote Temperature Minimum Register is read with a two-byte

read command from pointer address 34h. The Remote Temperature Minimum Register resets at power-on by

executing the chip reset command, or by writing any value to any of the pointer addresses 30h through 37h. The

reset value for these registers is FFh/F0h.

The Remote Temperature Maximum Register is read with the high byte from pointer address 36h and the

low byte from pointer address 37h. The Remote Temperature Maximum Register is read with a two-byte

read command from pointer address 36h. The Remote Temperature Maximum Register resets at power-on

by executing the chip reset command, or by writing any value to any of the pointer addresses 30h through 37h.

The reset value for these registers is 00h/00h.

8.11 Consecutive Alert Register

The value in the Consecutive Alert Register (address 22h) determines how many consecutive out-of-limit

measurements must occur on a measurement channel before the ALERT signal is activated. The value in

this register does not affect bits in the Status Register. Values of one, two, three, or four consecutive conversions

can be selected; one conversion is the default. This function allows additional filtering for the ALERT pin. The

consecutive alert bits are shown in Table 8-7.

Table 8-7. Consecutive Alert Register

CONSECUTIVE ALERT REGISTER (READ = 22h, WRITE = 22h, POR = 01h)

NUMBER OF CONSECUTIVE OUT OF LIMIT MEASUREMENTS

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TMP411-Q1, TMP411D-Q1

SBOS527G – DECEMBER 2010 – REVISED SEPTEMBER 2025

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