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L9952GXP Datasheet(PDF) 57 Page - STMicroelectronics

Part # L9952GXP
Description  Power management system IC
PDF  68 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9952GXP Datasheet(HTML) 57 Page - STMicroelectronics

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L9952GXP
SPI control and status registers
Doc ID 13518 Rev 5
57/68
1
x
xx
xx
xx
Open load Appearance / Disappearance at OUT4 is
disabled as wake up source
0
0
0
0
0
0
0
0
Default: all wake up sources are enabled
Table 44.
Configuration bit Ux
Name/state
Definition/function
U3
U2
U1
U0
Defines whether the Inputs WU1..4 are configured with current source or
current sink in standby mode.
xx
x
1
Input WU1 configured with a current source in standby mode
(RWU_act pulldown resistor in active mode - see Table 20.)
xx
1
x
Input WU2 configured with a current source in standby mode
(RWU_act pulldown resistor in active mode - see Table 20.)
x1
x
x
Input WU3 configured with a current source in standby mode
(RWU_act pulldown resistor in active mode - see Table 20.)
1xx
x
Input WU4 configured with a current source in standby mode
(RWU_act pulldown resistor in active mode - see Table 20.)
00
0
0
Default: All Inputs configured with a current sink in standby
(RWU_act pulldown resistor in active mode - see Table 20.)
Table 45.
Configuration bit Lx
Name/state
Definition/function
L2
L1
L0
Defines which signal is looped to the Dig_Out3 and Dig_Out4
(see note)
Dig_Out3
Dig_Out4
0
0
0
WU3 (default)
WU4 (default)
001
HighZ
WU4
010
WU3
HighZ
0
1
1
WU3
Open Load HS2
1
0
0
Open Load HS1
WU4
1
0
1
Open Load HS1
Open Load HS2
1
1
0
Open Load HS1
HighZ
1
1
1
HighZ
Open Load HS2
Table 43.
Configuration bit Wx (continued)
Name/state
Definition/function



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