Main device (continued) – Rainbow Electronics DS1859 User Manual
Page 16

DS1859
Dual, Temperature-Controlled Resistors with
Internally Calibrated Monitors
16
____________________________________________________________________
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)