Rainbow-electronics DS1857 Manual do Utilizador descarregar pdf (Página 15)

DS1857

Dual Temperature-Controlled Resistors with

External Temperature Input and Monitors

____________________________________________________________________ 15

MEMORY

LOCATION

(hex)

EEPROM/

SRAM

R/W

DEFAULT

SETTING

(hex)

NAME OF LOCATION

FUNCTION

4——— V

This alarm flag goes high when the lower limit

of the V

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)

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

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