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STPMIC1 Datasheet(PDF) 77 Page - STMicroelectronics

Part # STPMIC1
Description  Highly integrated power management IC for micro processor units
PDF  140 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPMIC1 Datasheet(HTML) 77 Page - STMicroelectronics

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6.3.3
Bucks pull-down control register (BUCKS_PD_CR)
Table 27. BUCKS_PD_CR
7
6
5
4
3
2
1
0
BUCK4_PD[1:0]
BUCK3_PD[1:0]
BUCK2_PD[1:0]
BUCK1_PD[1:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Address: 0x12
Type: read/write register
Default: 0x00
Description: Bucks pull-down control register. This register is initialized to default values upon entering to
CHECK&LOAD state
[7:6]
BUCK4_PD[1:0]:
00: light PD active when ENA of Buck4 = 0
01: high PD active when ENA of Buck4 = 0
10: light and high PD forced inactive
11: light PD forced active
[5:4]
BUCK3_PD[1:0]:
00: light PD active when ENA of Buck3 = 0
01: high PD active when ENA of Buck3 = 0
10: light and high PD forced inactive
11: light PD forced active
[3:2]
BUCK2_PD[1:0]:
00: light PD active when ENA of Buck2 = 0
01: high PD active when ENA of Buck2 = 0
10: light and high PD forced inactive
11: light PD forced active
[1:0]
BUCK1_PD[1:0]:
00: light PD active when ENA of Buck1 = 0
01: high PD active when ENA of Buck1 = 0
10: light and high PD forced inactive
11: light PD forced active
STPMIC1
Control registers
DS12792 - Rev 7
page 77/140



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