DRV3201-Q1_16 Datasheet, PDF (24/60 Pages) Texas Instruments – DRV3201-Q1 3 Phase Motor Driver-IC for Automotive Safety Applications

DRV3201-Q1
SLVSBD6D – MAY 2012 – REVISED AUGUST 2015
Power-on Reset
(NPOR)
START
(0x00)
SPI Write 0x48 to the Ultima
Ratio Command Register
SPI Write different from
0x48
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1^st Software
Unlocking
Sequence
Completed
(0xB7)
SPI Write 0x25 to the Ultima
Ratio Command Register
SPI Write different from
0x25
ERROR
(0xFF)
2^nd Software
Unlocking
Sequence
Completed
(0xDA)
SPI Write different from
0x92 or
HSx/LSx set to low
SPI Write 0x92 to the Ultima
Ratio Command Register and
all HSx/LSx set to high
Ultima Ratio
Unlocked
(0x6D)
Figure 8. State Diagram for Unlocking Ultima Ratio
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