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L5953 Datasheet(PDF) 23 Page - STMicroelectronics

Part # L5953
Description  Multiple switching voltage regulator
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5953 Datasheet(HTML) 23 Page - STMicroelectronics

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L5953
Summary of the main operations
23/31
Figure 16.
Diagnostic procedure start (after write enable latch sequence operation A)
Figure 17.
Read the diagnostic RegisterCase2: during the normal working of the L5953
(after a diagnostic procedure start, see
Figure 16)
Figure 18.
Write the status register (after a write enable latch sequence operation A)
Figure 19.
Read the status register
00
01
02
03
04
HIGH IMPEDANCE
INSTRUCTION
STATUS REGISTER
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
s15
s14
s13
s12
s11
s10
s9
s8
s7
s6
s5
s4
s3
s2
s1
s0
S
C
D
Q
D03AU1486
CPOL=0, CPHA=0
00
01
02
03
04
HIGH IMPEDANCE
INSTRUCTION
DIAGNOSTIC REGISTER OUT
05
06
07
08
09
10
11
12
13
14
15
d7
d6
d5
d4
d3
d2
d1
d0
S
C
D
Q
D03AU1487
CPOL=0, CPHA=0
00
01
02
03
04
HIGH IMPEDANCE
INSTRUCTION
STATUS REGISTER
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
s15
s14
s13
s12
s11
s10
s9
s8
s7
s6
s5
s4
s3
s2
s1
s0
S
C
D
Q
D03AU1488
CPOL=0, CPHA=0
00
01
02
03
04
HIGH IMPEDANCE
INSTRUCTION
STATUS REGISTER OUT
05
06
07
08
09
10
11
12
13
14
15
S
C
D
Q
D03AU1489
16
17
18
19
20
21
22
23
s15
s14
s13
s12
s11
s10
s9
s8
s7
s6
s5
s4
s3
s2
s1
s0
CPOL=0, CPHA=0



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