L5953_07 STMICROELECTRONICS [STMicroelectronics], L5953_07 Datasheet - Page 23

• Manufacturer Part Number: L5953_07
• Description: Multiple switching voltage regulator
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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