MAX6889/MAX6890/MAX6891
EEPROM-Programmable, Octal/Hex/Quad,
Power-Supply Sequencers/Supervisors
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REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT OUTPUT ASSERTION CONDITIONS
[0] 1 = PO5 assertion depends on IN1 undervoltage threshold (Table 2)
[1] 1 = PO5 assertion depends on IN2 undervoltage threshold (Table 3)
[2] 1 = PO5 assertion depends on IN3 undervoltage threshold (Table 3)
[3] 1 = PO5 assertion depends on IN4 undervoltage threshold (Table 3)
[4]
1 = PO5 assertion depends on IN5 (MAX6889/MAX6890 only) undervoltage threshold
(Table 3)
[5]
1 = PO5 assertion depends on IN6 (MAX6889/MAX6890 only) undervoltage threshold
(Table 3)
[6] 1 = PO5 assertion depends on IN7 (MAX6890 only) undervoltage threshold (Table 3)
16h 96h
[7] 1 = PO5 assertion depends on IN8 (MAX6890 only) undervoltage threshold (Table 4)
[0] 1 = PO5 assertion depends on watchdog (Table 20)
[1] 1 = PO5 assertion depends on GPI1 (Table 5)
[2] 1 = PO5 assertion depends on GPI2 (Table 5)
[3] 1 = PO5 assertion depends on GPI3 (Table 5)
[4] 1 = PO5 assertion depends on GPI4 (MAX6889/MAX6890 only) (Table 5)
[5] 1 = PO5 asserts when MR = low (Table 6)
17h 17h
[7:6] Not used
Table 11. PO5 Output Dependency
Note: Table 11 only applies to PO5. Write a “0” to a bit to make the PO5 output independent of the respective signal (IN_ thresholds,
WD, GPI_, or MR).
