Rainbow-electronics DS1857 Manual do Utilizador descarregar pdf (Página 14)

DS1857

Dual Temperature-Controlled Resistors with

External Temperature Input and Monitors

14 ____________________________________________________________________

MEMORY

LOCATION

(hex)

EEPROM/

SRAM

R/W

DEFAULT

SETTING

(hex)

NAME OF LOCATION

FUNCTION

6—

R/W

This bit goes high after a V

update has

occurred for the corresponding measurement

in bytes 62h to 63h. This bit can be written to

a 0 by the user and monitored to verify that a

conversion has occurred.

5—

R/W

0 MON1U

This bit goes high after a MON1 update has

occurred for the corresponding measurement

in bytes 64h to 65h. This bit can be written to

a 0 by the user and monitored to verify that a

conversion has occurred.

4—

R/W

0 MON2U

This bit goes high after a MON2 update has

occurred for the corresponding measurement

in bytes 66h to 67h. This bit can be written to

a 0 by the user and monitored to verify that a

conversion has occurred.

3——0 0 —

2——0 0 —

1——0 X —

0——0 X —

70 SRAM R — Alarm flags —

Bit 7 — — — TMPhi

This alarm flag goes high when the upper limit

of the temperature setting is violated.

6——— TMPlo

This alarm flag goes high when the lower limit

of the temperature setting is violated.

5——— V

This alarm flag goes high when the upper limit

of the V

setting is violated.

Main Device (continued)

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 20 21 22

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