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L9953 Datasheet(PDF) 16 Page - STMicroelectronics

Part # L9953
Description  Door actuator driver
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9953 Datasheet(HTML) 16 Page - STMicroelectronics

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Electrical specifications
L9953 / L9953XP
16/38
Doc ID 14278 Rev 4
Figure 3.
SPI - transfer timing diagram
Figure 4.
SPI - input timing
12
3456
7
0
01
12
3
4
56
7
0
12
3
4
56
7
0
01
01
CSN
CLK
DI
DO
Input
Data
Register
CSN high to low: DO enabled
time
DI: data will be accepted on the rising edge of CLK signal
time
time
time
time
DO: data will change on the falling edge of CLK signal
fault bit
CSN low to high: actual data is
transfered to output power switches
old data
new data
23
22
21
20
19
18
23
22
21
20
19
18
23
22
21
20
19
18
X
X
X
X
X
X
12
3456
7
0
01
12
3
4
56
7
0
12
3456
7
0
01
12
3
4
56
7
0
12
3
4
56
7
0
01
01
CSN
CLK
DI
DO
Input
Data
Register
CSN high to low: DO enabled
time
DI: data will be accepted on the rising edge of CLK signal
time
time
time
time
DO: data will change on the falling edge of CLK signal
fault bit
CSN low to high: actual data is
transfered to output power switches
old data
new data
12
3
4
56
7
0
01
01
CSN
CLK
DI
DO
Input
Data
Register
CSN high to low: DO enabled
time
DI: data will be accepted on the rising edge of CLK signal
time
time
time
time
DO: data will change on the falling edge of CLK signal
fault bit
CSN low to high: actual data is
transfered to output power switches
old data
new data
23
22
21
20
19
18
23
22
21
20
19
18
23
22
21
20
19
18
X
X
X
X
X
X
0.8 VCC
0.8 VCC
0.8 VCC
0.2 VCC
0.2 VCC
0.2 VCC
Valid
Valid
CSN
CLK
DI
t
set CSN
t
CLKH
t
se t CLK
t
CLKL
t
hold DI
t
set DI



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