Rainbow Electronics MAX6871 User Manual
Page 30
MAX6870/MAX6871
Table 20 only applies to PO7 of the MAX6870 and PO5
of the MAX6871. Write a 0 to a bit to make the PO7/PO5
output independent of the respective signal (IN_ primary
or secondary thresholds, WDI1 or WDI2, GPI1–GPI4,
MR, or other programmable outputs).
EEPROM-Programmable Hex/Quad
Power-Supply Sequencers/Supervisors with ADC
30
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Table 20. PO7 (MAX6870)/PO5 (MAX6871) Output Dependency
REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT
OUTPUT ASSERTION CONDITIONS
[0]
1 = PO7/PO5 assertion depends on IN1 primary undervoltage threshold (Table 2).
[1]
1 = PO7/PO5 assertion depends on IN2 primary undervoltage threshold (Table 3).
[2]
1 = PO7/PO5 assertion depends on IN3 primary undervoltage threshold (Table 4).
[3]
1 = PO7/PO5 assertion depends on IN4 primary undervoltage threshold (Table 4).
[4]
1 = PO7 (MAX6870 only) assertion depends on IN5 primary undervoltage threshold (Table 4).
Must be set to 0 for the MAX6871.
[5]
1 = PO7 (MAX6870 only) assertion depends on IN6 primary undervoltage threshold (Table 4).
Must be set to 0 for the MAX6871.
[6]
1 = PO7/PO5 assertion depends on watchdog 1 (Tables 27 and 28).
32h
8032h
[7]
1 = PO7/PO5 assertion depends on watchdog 2 (Tables 27 and 28).
[0]
1 = P O7/P O5 asser ti on d ep end s on IN 1 second ar y und er vol tag e/over vol tag e thr eshol d ( Tab l e 2) .
[1]
1 = P O7/P O5 asser ti on d ep end s on IN 2 second ar y und er vol tag e/over vol tag e thr eshol d ( Tab l e 3) .
[2]
1 = P O7/P O5 asser ti on d ep end s on IN 3 second ar y und er vol tag e/over vol tag e thr eshol d ( Tab l e 4) .
[3]
1 = P O7/P O5 asser ti on d ep end s on IN 4 second ar y und er vol tag e/over vol tag e thr eshol d ( Tab l e 4) .
[4]
1 = PO7 (MAX6870 only) assertion depends on IN5 secondary undervoltage/overvoltage
threshold (Table 4). Must be set to 0 for the MAX6871.
[5]
1 = PO7 (MAX6870 only) assertion depends on IN6 secondary undervoltage/overvoltage
threshold (Table 4). Must be set to 0 for the MAX6871.
[6]
1 = PO7/PO5 assertion depends on GPI1 (Table 6).
33h
8033h
[7]
1 = PO7/PO5 assertion depends on GPI2 (Table 6).
[0]
1 = PO7/PO5 assertion depends on GPI3 (Table 6).
[1]
1 = PO7/PO5 assertion depends on GPI4 (Table 6).
[2]
1 = P O7 ( M AX 6870 onl y) asser ti on d ep end s on P O1 ( Tab l e 10) . M ust b e set to 0 for the M AX 6871.
[3]
1 = P O7 ( M AX 6870 onl y) asser ti on d ep end s on P O2 ( Tab l e 11) . M ust b e set to 0 for the M AX 6871.
[4]
1 = PO7/PO5 assertion depends on PO3 (MAX6870)/PO1 (MAX6871) (Tables 12 and 13).
[5]
1 = PO7/PO5 assertion depends on PO4 (MAX6870)/PO2 (MAX6871) (Tables 14 and 15).
[6]
1 = PO7/PO5 assertion depends on PO5 (MAX6870)/PO3 (MAX6871) (Tables 16 and 17).
34h
8034h
[7]
1 = PO7/PO5 assertion depends on PO6 (MAX6870)/PO4 (MAX6871) (Tables 18 and 19).
35h
8035h
[0]
1 = P O7 ( M AX 6870 onl y) asser ti on d ep end s on P O8 ( Tab l e 21) . M ust b e set to 0 for the M AX 6871.
40h
8040h
[6]
1 = PO7 asserts when MR = low (Table 7).