DRV8860
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SLRS065A –SEPTEMBER 2013–REVISED NOVEMBER 2013
Special Command
Besides output ON/OFF control and fault status reading back, DRV8860 has special functions to make system
more robust or power efficient. These functions will need special command to initiate the device or configure the
internal registers.
There are 5 Special Commands:
1. Write Control Register command
2. Read Control Register command
3. Read Data Register command
4. Fault Register Reset command
5. PWM Start command
Special wave form pattern on CLK and LATCH pin will issue the special command, as below
CLK CYCLES IN EACH PART
SPECIAL COMMAND
Part I
Part II
Part III
Part IV
Write Control Register
Read Control Register
Read Data Register
Fault Register Reset
PWM Start
1
1
1
1
1
2
4
4
2
6
2
2
4
4
6
3
3
3
3
3
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