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ADM1060 Datasheet(PDF) 15 Page - Analog Devices

Part No. ADM1060
Description  Communications System Supervisory/Sequencing Circuit
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM1060 Datasheet(HTML) 15 Page - Analog Devices

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ADM1060
Rev. B | Page 15 of 52
SFD Register Bit Maps
BIPOLAR SUPPLY FAIL DETECT (BSn SFD) REGISTERS
Table 5. Register 0xA0, 0xA8 BSnOVTH
(Power-On Default 0xFF)
Bit
Name
R/W
Description
7–0
OV7–OV0
R/W
8-Bit Digital Value for OV
Threshold on BSn SFD
Table 6. Register 0xA1, 0xA9 BSnOVHYST
(Power-On Default 0x00)
Bit
Name
R/W
Description
7–5
Reserved
N/A
Cannot Be Used
4–0
HY4–HY0
R/W
5-Bit Digital Value for Hysteresis
on OV Threshold of BSn SFD
Table 7. Register 0xA2, 0xAA BSnUVTH
(Power-On Default 0x00)
Bit
Name
R/W
Description
7–0
UV7–UV0
R/W
8-Bit Digital Value for UV Thresh-
old on BSn SFD
Table 8. Register 0xA3, 0xAB BSnUVHYST
(Power-On Default 0x00)
Bit
Name
R/W
Description
7–5
Reserved
N/A
Cannot Be Used
4–0
HY4–HY0
R/W
5-Bit Digital Value for Hysteresis
on UV Threshold of BSn SFD
Table 9. Register 0xA4, 0xAC BSnSEL (Power-On Default 0x00)
Bit
Name
R/W
Description
POL
Sign of Detection Range
0
Positive
7
POL
R/W
Polarity of Bipolar
SFDn
1
Negative
GF2
GF1
GF0
Glitch Filter Delay (µs)
0
0
0
0
0
0
1
5
0
1
0
10
0
1
1
20
1
0
0
30
1
0
1
50
1
1
0
75
6−4
GF2−GF0
R/W
1
1
1
100
3
Reserved
N/A
Cannot Be Used
Note: When POL is set to 1 (SFD is in negative mode), RSEL is unused since there is only one range in
this mode.
RSEL1
Bottom of Range
Top of Range
Step Size (mV)
0
1 V
3 V
7.8
2
RSEL
R/W
1
2 V
6 V
15.6
FS1
FS0
Fault Select Type
0
0
Overvoltage
0
1
Undervoltage
1
0
Out-of-Window
1−0
FS1−FS0
R/W
1
1
Not Allowed


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