Datasheet

MAX6884/MAX6885
EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
______________________________________________________________________________________ 15
REGISTER
ADDRESS
EEPROM MEMORY
ADDRESS
BIT RANGE
DESCRIPTION
00h 80h [7:0]
IN1 Primary Undervoltage Detector Threshold (see equations in the IN1–IN6
section)
01h 81h [7:0] IN2 Primary Undervoltage Detector Threshold
02h 82h [7:0] IN3 Primary Undervoltage Detector Threshold
03h 83h [7:0] IN4 Primary Undervoltage Detector Threshold
04h 84h [7:0] IN5 Primary Undervoltage Detector Threshold
05h 85h [7:0] IN6 Primary Undervoltage Detector Threshold
06h 86h [7:0]
IN1 Secondary Undervoltage/Overvoltage Detector Threshold (see equations
in the IN1–IN6 section)
07h 87h [7:0] IN2 Secondary Undervoltage/Overvoltage Detector Threshold
08h 88h [7:0] IN3 Secondary Undervoltage/Overvoltage Detector Threshold
09h 89h [7:0] IN4 Secondary Undervoltage/Overvoltage Detector Threshold
0Ah 8Ah [7:0] IN5 Secondary Undervoltage/Overvoltage Detector Threshold
0Bh 8Bh [7:0] IN6 Secondary Undervoltage/Overvoltage Detector Threshold
[0]
IN1 Secondary Undervoltage or Overvoltage Selection
0 = Undervoltage
1 = Overvoltage
[1] IN2 Secondary Undervoltage or Overvoltage Selection
[2] IN3 Secondary Undervoltage or Overvoltage Selection
[3] IN4 Secondary Undervoltage or Overvoltage Selection
[4] IN5 Secondary Undervoltage or Overvoltage Selection
[5] IN6 Secondary Undervoltage or Overvoltage Selection
0Eh 8Eh
[7:6] Not Used
[0]
IN1 Voltage Threshold Range
0 = 1V to 5.8V (20mV steps)
1 = 0.5V to 3.05V (10mV steps)
[1] IN2 Voltage Threshold Range
[2] IN3 Voltage Threshold Range
[3] IN4 Voltage Threshold Range
[4] IN5 Voltage Threshold Range
[5] IN6 Voltage Threshold Range
0Fh 8Fh
[7:6] Not Used
[0]
IN1 Input Impedance
0 = Normal Mode
1 = High-Z Mode (connect external resistor voltage-divider)
[1] IN2 Input Impedance
[2] IN3 Input Impedance
[3] IN4 Input Impedance
[4] IN5 Input Impedance
[5] IN6 Input Impedance
10h 90h
[7:6] Not Used
Table 4. IN1–IN6 Threshold Register Settings