DRV10987 Datasheet, PDF (49/69 Pages) Texas Instruments – DRV10987 12- to 24-V, Three-Phase, Sensorless BLDC Motor Driver

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DRV10987
SLVSE89 – AUGUST 2017
Table 18. DeviceID–RevisionID Register Field Descriptions
Bit Field
15:8 DieID[7:0]
7:0 RevisionID[7:0]
Type
R
R
Reset
0x0
0x0
Description
8-bit unique device identification.
8-bit revision ID for the device
0000 0000 → REV A
0000 0001 → REV B
...
8.5.3.10 Unused Registers (addresses = 0x011 Through 0x2F)
Registers 0x09 through 0x2F are not used.
8.5.3.11 SpeedCtrl Register (address = 0x30) [reset = 0x00]
15
OverRide
R/W-0
7
SpeedCtrl[7]
R/W-0
14
Reserved
R-0
6
SpeedCtrl[6]
R/W-0
Figure 51. SpeedCtrl Register
13
Reserved
R-0
5
SpeedCtrl[5]
R/W-0
12
Reserved
R-0
4
SpeedCtrl[4]
R/W-0
11
Reserved
R-0
3
SpeedCtr[3]
R/W-0
10
Reserved
R-0
2
SpeedCtrl[2]
R/W-0
9
Reserved
R-0
1
SpeedCtrl[1]
R/W-0
8
SpeedCtrl[8]
R/W-0
0
SpeedCtrl[0]
R/W-0
Bit Field
15
OverRide
14:9 Reserved
8:0 SpeedCtrl[8:0]
Table 19. SpeedCtrl Register Field Descriptions
Type
R/W
R
R/W
Reset
0
0x0
0x00
Description
Used to control the SpdCtrl[8:0] bits. If OverRide = 1, the user
can write the speed command directly through I²C.
Do not access these bits.
9-bit value used for the motor speed. If OverRide = 1, speed
command can be written by the user through I²C.
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