DRV10987 Datasheet, PDF (45/69 Pages) Texas Instruments – DRV10987 12- to 24-V, Three-Phase, Sensorless BLDC Motor Driver

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8.5.3 Register Descriptions
Table 8. Default EEPROM
Values
ADDRESS
0x90
0x91
0x92
0x93
0x94
0x95
0x96
DEFAULT
VALUE
0xC000
0x0049
0x00C1
0x3788
0x3BAF
0x7840
0x007A
DRV10987
SLVSE89 – AUGUST 2017
Table 9. Access Type Codes
ACCESS TYPE
CODE
READ TYPE
R
R
WRITE TYPE
W
W
W1C
W
1C
RESET OR DEFAULT VALUE
-n
DESCRIPTION
Read
Write
Write
1 to clear
Value after reset or the default
value
8.5.3.1 FaultReg Register (address = 0x00) [reset = 0x00]
15
OverTemp
R/W1C-0
7
V3P3_UVLO
R/W1C-0
14
TempWarning
R//W1C-0
6
Reserved
R/W1C-0
Figure 42. FaultReg Register
13
VCC_OV
R/W1C-0
5
Lock5
R/W1C-0
12
VREG_OC
R/W1C-0
4
Lock4
R/W1C-0
11
OverCurr
R/W1C-0
3
Lock3
R/W1C-0
10
CP_UVLO
R/W1C-0
2
Lock2
R/W1C-0
9
VREG_UVLO
R/W1C-0
1
Lock1
R/W1C-0
8
VCC_UVLO
R/W1C-0
0
Lock0
R/W1C-0
Bit Field
15
OverTemp
14
TempWarning
13
VCC_OV
12
VREG_OC
11
OverCurr
10
CP_UVLO
9
VREG_UVLO
8
VCC_UVLO
7
V3P3_UVLO
6
Reserved
Table 10. FaultReg Register Field Descriptions
Type
R//W1C
R/W1C
R/W1C
R/W1C
Reset
0
0
0
0
R/W1C 0
R/W1C 0
R/W1C 0
R/W1C 0
R/W1C 0
R/W1C 0
Description
Bit to indicate device temperature is over the limit.
Bit to indicate device temperature is over the warning limit.
Bit to indicate the supply voltage is above the upper limit.
Bit to indicate that the switching regulator is in an overcurrent
condition.
Bit to indicate that an overcurrent event happened.
Bit to indicate that the charge pump is in an undervoltage fault
condition.
Bit to indicate that the switching regulator (VREG) is in an
undervoltage fault condition.
Bit to indicate that the supply (V_CC) is in an undervoltage fault
condition.
Bit to indicate that the 3.3 V LDO regulator is in an undervoltage
fault condition.
Do not access this bit.
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