MAX6874 datasheet(21/40 Pages) MAXIM

21 / 40 page

EEPROM-Programmable, Hex/Quad,

Power-Supply Sequencers/Supervisors

______________________________________________________________________________________

Table 12 only applies to PO6 of the MAX6874 and PO4

of the MAX6875. Write a 0 to a bit to make the PO6/PO4

output independent of the respective signal (IN_

thresholds, WD, GPI1–GPI4, MR, or other programma-

ble outputs).

ADDRESS

EEPROM

MEMORY

ADDRESS

BIT

OUTPUT ASSERTION CONDITIONS

[0]

1 = PO6/PO4 assertion depends on IN1 undervoltage threshold (Table 2).

[1]

1 = PO6/PO4 assertion depends on IN2 undervoltage threshold (Table 3).

[2]

1 = PO6/PO4 assertion depends on IN3 undervoltage threshold (Table 4).

[3]

1 = PO6/PO4 assertion depends on IN4 undervoltage threshold (Table 4).

[4]

1 = PO6 (MAX6874 only) assertion depends on IN5 undervoltage threshold (Table 4). Must be

set to 0 for the MAX6875.

[5]

1 = PO6 (MAX6874 only) assertion depends on IN6 undervoltage threshold (Table 4). Must be

set to 0 for the MAX6875.

[6]

1 = PO6/PO4 assertion depends on watchdog (Tables 18 and 19).

2Bh

802Bh

[7]

Must be set to 0.

[5:0]

Must be set to 0.

[6]

1 = PO6/PO4 assertion depends on GPI1 (Table 5).

2Ch

802Ch

[7]

1 = PO6/PO4 assertion depends on GPI2 (Table 5).

[0]

1 = PO6/PO4 assertion depends on GPI3 (Table 5).

[1]

1 = PO6/PO4 assertion depends on GPI4 (Table 5).

[2]

1 = PO6 (MAX6874 only) assertion depends on PO1 (Table 7). Must be set to 0 for the MAX6875.

[3]

1 = PO6 (MAX6874 only) assertion depends on PO2 (Table 8). Must be set to 0 for the MAX6875.

[4]

1 = PO6/PO4 assertion depends on PO3 (MAX6874)/PO1 (MAX6875) (Table 9).

[5]

1 = PO6/PO4 assertion depends on PO4 (MAX6874)/PO2 (MAX6875) (Table 10).

[6]

1 = PO6/PO4 assertion depends on PO5 (MAX6874)/PO3 (MAX6875) (Table 11).

2Dh

802Dh

[7]

1 = PO6/PO4 assertion depends on PO7 (MAX6874)/PO5 (MAX6875) (Table 13).

31h

8031h

[0]

1 = PO6 (MAX6874 only) assertion depends on PO8 (Table 14). Must be set to 0 for the MAX6875.

40h

8040h

[5]

1 = PO6/PO4 asserts when MR = low (Table 6).

Table 12. PO6 (MAX6874)/PO4 (MAX6875) Output Dependency

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