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參數(shù)資料
| 型號： | L5953 |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | MULTIPLE SWITCHING VOLTAGE REGULATOR |
| 中文描述： | 多重開關穩(wěn)壓 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大小： | 217K |
| 代理商： | L5953 |
L5953
18/24
Figure 16. Write the Status Register (after a Write Enable Latch Sequence, operation A)
Figure 17. Read the Status Register
IRQ - Interrupt Request Pin
I
It is an open drain pin activated (low) every time a variation occurs in the Diagnostic Register.
I
Purpose: to alert the
μ
P that one or more warning bit of the Diagnostic Register has changed from 0 to
1 or from 1 to 0.
I
An activation of this pin puts the bit s0 of the Status Register to 1 (START DIAGNOSTIC) like an
Operation E (Diagnostic Procedure Start). Then an Operation F has to be executed without an
Operation E before.
I
After an Operation F, the IRQ pin is disactivated, and goes to 1 if connected to a pull-up resistor.
L5953 - Application Note
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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|---|---|
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