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L9960 データシート(PDF) 35 Page - STMicroelectronics

部品番号 L9960
部品情報  Automotive Single/Dual H-Bridge, SPI programmable DC Brushed Motor Driver
PDF  95 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9960 データシート(HTML) 35 Page - STMicroelectronics

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DS11115 Rev 10
35/95
L9960, L9960T
Functional description
94
Note:
(-) available in the D9/D8/D7/D6 bit position in SPI command frame 5.
VVL mode is deactivated (no tri-state phase) when the current limitation is active
The status of the TVVL is echoed through a SPI configuration request
Note:
(-) available in the R10/R9/R8/R7 bit position in SPI answer frame 7c.
IN1_IN2 mode
This mode changes the meaning of PWM/DIR and allows driving directly the half-bridge.
To enable this mode it is necessary:
1.
Program a dedicated SPI register (configuration2: IN1_IN2_if) set to '1'.
2.
PWM/DIR (IN1/IN2) inputs must be low to latch and apply the configuration (see Note).
Note:
In order to set back the default driving control mode (PWM/DIR) the same procedure has to
be followed: the SPI command bit IN1_IN2_if bit has to be set to '0' and IN1=IN2 has to be
set to '0' to latch and apply the configuration.
1000
800
-
1001
1600
-
1010
3200
-
1011
6500
-
1100
13000
-
1101
26000
-
1111
26000
Reset value
Table 35. TVVL[3:0] (µs) (continued)
4 bits combination
Description
Condition
Table 36. TVVL_echo[3:0]
4 bits Status 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
-
1000
800
-
1001
1600
-
1010
3200
-
1011
6500
-
1100
13000
-
1101
26000
-
1111
26000
Default value



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