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L9960 датащи(PDF) 34 Page - STMicroelectronics

номер детали L9960
подробное описание детали  Automotive Single/Dual H-Bridge, SPI programmable DC Brushed Motor Driver
PDF  95 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9960 датащи(HTML) 34 Page - STMicroelectronics

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Functional description
L9960, L9960T
34/95
DS11115 Rev 10
Figure 15. Bridge STATE diagram in VVL mode
Programming the bridge in normal or VVL mode is performed through dedicated SPI
command to setup the MODE configuration bit:
Note:
(-) available in the D10 bit position in SPI command frame 5.
The status of the VVL is echoed through a SPI configuration request
Note:
(-) available in the R11 bit position in SPI answer frame 7c.
In VVL mode, once PWM is set to LOW, the bridge is put in tri-state after a programmable
time “Tvvl” from 0us to 26ms by the register defined below.
Table 33. VVL_MODE
Bit status
Description
Condition
0
No VVL mode
Reset value
1
VVL mode
-
PWM
Forward
Free
Wheeling
Forward
DIR
BRIDGE
STATE
DIS
NDIS
Reverse
Tri
state
Free
Wheeling
Tri
state
Tvvl
Tvvl
GAPGPS02321
Table 34. VVL_MODE echo
Bit status
Description
Condition
0
No VVL mode
Reset value
1
VVL mode
-
Table 35. TVVL[3:0] (µs)
4 bits combination
Description
Condition
0000
0
Not to be used
if IN1/IN2
interface is
selected
0001
6.4
0010
12.6
0011
24.8
0100
50.4
-
0101
100
-
0110
200
-
0111
400
-



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