Rainbow Electronics DS1857 - Manual (Page 15)

DS1857
Dual Temperature-Controlled Resistors with
External Temperature Input and Monitors
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MEMORY
LOCATION
(hex)
EEPROM/
SRAM
R/W
DEFAULT
SETTING
(hex)
NAME OF LOCATION FUNCTION
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 — — — X —
6 — — — X —
5 — — — X —
4 — — — X —
3 — — — X —
2 — — — X —
1 — — — X —
0 — — — MINT
A mask of all flags located in Table 01 byte
88h determines the value of MINT. MINT is
maskable to 0 if no interrupt is desired by
setting Table 01 byte 88h to 0.
72 to 7E SRAM R 00 Reserved —
7F SRAM R/W Table select —
Bit 7 — — 0 X —
6 — — 0 X —
5 — — 0 X —
4 — — 0 X —
3 — — 0 X —
2 — — 0 X —
1 — — 0
0 — — 0
Table select bits
Set bits = 00 to select Table 00, set bits = 01
to select Table 01, set bits = 10 to select
Table 02, set bits = 11 to select Table 03.
Main Device (continued)