DRV8823_16 Datasheet, PDF (16/32 Pages) Texas Instruments – 4-Bridge Serial Interface Motor Driver

DRV8823
SLVS913E – JANUARY 2009 – REVISED JANUARY 2016
7.5 Programming
7.5.1 Data Format
Bit
Name
Reset
Value
D15:D12 D11
ADDR
(= 0000)
BDECAY
x
0
Table 3. Motor 1 Command (Bridges A and B)
D10
D9
D8
D7
D6
D5
D4
D3
B12 B11 B10 BPHASE BENBL ADECAY A12 A11
0
0
0
0
0
0
0
0
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D2
D1
D0
A10 APHASE AENBL
0
0
0
Table 4. Motor 2 Command (Bridges C and D)
Bit D15:D12 D11
D10 D9
D8
D7
D6
D5
D4
D3
Name
ADDR
(= 0001)
DDECAY
D12
D11
D10 DPHASE DENBL CDECAY
C12
C11
Reset
Value
x
0
0
0
0
0
0
0
0
0
D2
D1
D0
C10 CPHASE CENBL
0
0
0
SCS
SCLK
SDATA
See Note 1
D0 D1 D2 D3 D4 D5 D6 D7
D8 D9 D10 D11 D12 D13 D14 D15
See Note 2
SSTB
Note 1: Any amount of time is allowed between clocks, or groups of clocks, as long as SCS stays active. This allows
8- or 16-bit transfers.
Note 2: If more than 16 clock edges are presented while transferring data (while SCS is still high), data will continue
to be shifted into the data register.
Figure 13. Serial Data Timing Diagram
16
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