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參數(shù)資料
| 型號： | L9952GXPTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36 |
| 封裝： | LEAD FREE, SSO-36 |
| 文件頁數(shù)： | 52/68頁 |
| 文件大?。?/td> | 859K |
| 代理商： | L9952GXPTR |
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SPI control and status registers
L9952GXP
Doc ID 13518 Rev 5
8.1.2
Control register 1
While writing to the control register 1, the status register 1 can be read at the DO-Output of
the SPI.
01
Voltage regulator 2 is ON in ACTIVE mode;
OFF in V1-standby, VBat-standby
10
Voltage regulator 2 is ON in ACTIVE mode and V1 standby;
OFF in Vbat-standby
1
Voltage regulator 2 is ON in all modes
Table 41.
Configuration bit TRIG, GO_VBAT, GO_V1
TRIG
Trigger bit for watchdog; inverted for each Trigger event invert this bit for a
proper watchdog trigger.
GO_VBAT
”1” enters the Vbat-standby mode. (dominant mode, if both standby modes
are selected)
GO_V1
“1” enters the V1-standby mode.
Table 40.
Configuration bit On_V2x (continued)
Name / state
Definition/ function
Table 42.
Control register 1
Cyclic Timer 1/2
Loop
Pull up
Wakeup Sources
Bit
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Access
w
Reset
0
Name
CLR
INT_EN
T20
T13
T12
T11
T10
L2
L1
L0
U3
U2
U1
U0
W7
W6
W5
W4
W3
W2
W1
W0
Table 43.
Configuration bit Wx
Name/state
Definition/function
W7
W6
W5
W4
W3
W2
W1
W0 Disables the corresponding wake up sources
x
1
Input WU1 is disabled as wake up source
x
1
x
Input WU2 is disabled as wake up source
x
1
x
Input WU3 is disabled as wake up source
x
1
x
Input WU4 is disabled as wake up source
xx
x
1
xx
Open load Appearance / Disappearance at OUT1 is
disabled as wake up source
xx
1
x
xx
Open load Appearance / Disappearance at OUT2 is
disabled as wake up source
x
1
xx
Open load Appearance / Disappearance at OUT3 is
disabled as wake up source
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