MAX6870/MAX6871
EEPROM-Programmable Hex/Quad
Power-Supply Sequencers/Supervisors with ADC
32 ______________________________________________________________________________________
Table 22. Programmable Output Active States
ADDRESS
RANGE
DESCRIPTION
[0] PO1 (MAX6870 only). 0 = active-low, 1 = active-high.
[1] PO2 (MAX6870 only). 0 = active-low, 1 = active-high.
[2] PO3 (MAX6870)/PO1 (MAX6871). 0 = active-low, 1 = active-high.
[3] PO4 (MAX6870)/PO2 (MAX6871). 0 = active-low, 1 = active-high.
[4] PO5 (MAX6870)/PO3 (MAX6871). 0 = active-low, 1 = active-high.
[5] PO6 (MAX6870)/PO4 (MAX6871). 0 = active-low, 1 = active-high.
[6] PO7 (MAX6870)/PO5 (MAX6871). 0 = active-low, 1 = active-high.
3Ah 803Ah
[7] PO8 (MAX6870 only). 0 = active-low, 1 = active-high.
REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT
RANGE
AFFECTED
OUTPUT
DESCRIPTION
11h 8011h [6:4] PO1
15h 8015h [6:4] PO2
1Ch 801Ch [7:5] PO3
23h 8023h [7:5] PO4
000 = open-drain, 001 = weak pullup to IN3, 010 = weak pullup to IN4,
011 = weak pullup to IN5, 100 = weak pullup to IN6, 101 = weak pullup to
ABP, 110 = charge-pump output, 111 = not used.
2Ah 802Ah [7:4] PO5
31h 8031h [7:4] PO6
35h 8035h [7:4] PO7
39h 8039h [7:4] PO8
0000 = open-drain, 0001 = weak pullup to IN3, 0010 = weak pullup to IN4,
0011 = weak pullup to IN5, 0100 = weak pullup to IN6, 0101 = weak pullup to
ABP, 0110 = push-pull to IN3, 0111 = push-pull to IN4, 1000 = push-pull to
IN5, 1001 = push-pull to IN6, 1010 through 1111 = not used.
Table 23. Programmable Output Stage Options (MAX6870)
Table 24. Programmable Output Stage Options (MAX6871)
ADDRESS
RANGE
OUTPUT
DESCRIPTION
1Ch 801Ch [7:5] PO1
23h 8023h [7:5] PO2
000 = open-drain, 001 = weak pullup to IN3, 010 = weak pullup to IN4,
011–100 = not used, 101 = weak pullup to ABP, 110 = charge-pump output,
111 = not used.
2Ah 802Ah [7:4] PO3
31h 8031h [7:4] PO4
35h 8035h [7:4] PO5
0000 = open-drain, 0001 = weak pullup to IN3, 0010 = weak pullup to IN4,
0011–0100 = not used, 0101 = weak pullup to ABP, 0110 = push-pull to IN3,
0111 = push-pull to IN4, 1000–1111 = not used.
(219 paginas)
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