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Main device (continued) – Rainbow Electronics DS1859 User Manual

Page 16

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DS1859

Dual, Temperature-Controlled Resistors with
Internally Calibrated Monitors

16

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MEMORY

LOCATION

(hex)

EEPROM/

SRAM

R/W

DEFAULT

SETTING

(hex)

NAME OF LOCATION

FUNCTION

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

MON3U

This bit goes high after a MON3 update has
occurred for the corresponding measurement
in bytes 68h to 69h. This bit can be written to
a 0 by the user and monitored to verify that a
conversion has occurred.

2

0

1

0

0

0

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

CC

hi

This alarm flag goes high when the upper limit
of the V

CC

setting is violated.

4

V

CC

lo

This alarm flag goes high when the lower limit
of the V

CC

setting is violated.

3

MON1hi

This alarm flag goes high when the upper limit
of the MON1 setting is violated.

2

MON1lo

This alarm flag goes high when the lower limit
of the MON1 setting is violated.

1

MON2hi

This alarm flag goes high when the upper limit
of the MON2 setting is violated.

0

MON2lo

This alarm flag goes high when the lower limit
of the MON2 setting is violated.

71

SRAM

R

Alarm flags

Bit 7

MON3hi

This alarm flag goes high when the upper limit
of the MON3 setting is violated.

6

MON3lo

This alarm flag goes high when the lower limit
of the MON3 setting is violated.

5

X

4

X

Main Device (continued)