Sfd Register Bitmaps; Bipolar Supply Fail Detect (Bsnsfd) Registers - Analog Devices ADM1060 Manual

ADM1060 INPUTS

SFD REGISTER BITMAPS

BIPOLAR SUPPLY FAIL DETECT (BSnSFD) REGISTERS

TABLE 3. REGISTER A0H,A8H BSnOVTH (POWER- ON DEFAULT FFH)
Bit Name
7-0 OV7-OV0
TABLE 4. REGISTER A1H,A9H BSnOVHYST (POWER- ON DEFAULT 00H)
Bit Name
7-5 Reserved
4-0 HY4-HY0
TABLE 5. REGISTER A2H,AAH BSnUVTH (POWER- ON DEFAULT 00H)
Bit Name
7-0 UV7-UV0
TABLE 6. REGISTER A3H,ABH BSnUVHYST (POWER- ON DEFAULT 00H)
Bit Name
7-5 Reserved
4-0 HY4-HY0
TABLE 7. REGISTER A4H,ACH BSnSEL (POWER- ON DEFAULT 00H)
Bit Name
7 POL
6-4 GF2-GF0
3 Reserved
2 RSEL
1-0 FS1-FS0
REV. PrJ 11/02
PRELIMINARY TECHNICAL DATA
R/W
R / W
R/W
N/A
R / W
R/W
R / W
R/W
N/A
R / W
R/W
R / W
R / W
N/A
R / W
R / W
Description
8 bit digital value for overvoltage threshold on BSn SFD.
Description
Cannot be used
5 bit digital value for hysteresis on OV threshold of BSn SFD
Description
8 bit digital value for undervoltage threshold on BSn SFD
Description
Cannot be used
5 bit digital value for hysteresis on UV threshold of BSn SFD
Description
Polarity of Bipolar SFDn
POL Sign of Detection Range
0
GF2 GF1 GF0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Cannot be used
Note: When POL is set to 1 (ie) SFD is in negative mode, then
RSEL is unused since there is only one range in this mode.
RSEL1 Bottom of
Range
0 1 V
1 2 V
FS1 FS0 Fault Select Type
0 0 Overvoltage
0 1 Undervoltage
1 0 Out-of-Window
1 1 Not Allowed
–11–
ADM1060
Positive
1 Negative
Glitch Filter Delay ( s)
0
5
10
20
30
50
75
100
Top of Step Size (mV)
Range
3 V 7.8
6 V 15.6