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STW4810 Datasheet(PDF) 27 Page - STMicroelectronics

Part # STW4810
Description  Power Management for Multimedia Processors
PDF  72 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW4810 Datasheet(HTML) 27 Page - STMicroelectronics

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STw4810
4 Functional description
Rev3
27/72
Power control register at address 08h
Power control register at address 09h
Table 24.
Power control register at address 08h
Address 1Fh
Address 1Eh
15
14
13
12
11
10
98765
43210
Not used
01000
en_clk
squarer
en_mo
nitoring
en_
vana
not
used
EN
Bits
Name
Value
Settings
Default
4
en_clock_squarer
0
1
Disabled
Enabled (sine wave signal input)
0
3
en_monitoring
0
1
Disabled / MONITORING = OFF
Enabled / VCORE & VIO_VMEM monitoring = ON
1
2
en_vana
0
1
Disabled / VANA = OFF
Enabled / VANA = ON
1
Table 25.
Power control register at address 09h
Address 1Fh
Address 1Eh
15
14
13
12
11
10
98765
43210
Not used
01001
vaux_
sleep
not
used
vio_
vmem_
sleep
vcore_
sleep
EN
Bits
Name
Value
Settings
Default
4
vaux_sleep
0
1
When PWREN is low:
VAUX stays in normal mode
VAUX goes in sleep mode (default)
1
2
vio_vmem_sleep
0
1
When PWREN is low:
VIO_VMEM stays in normal mode
VIO_VMEM goes in sleep mode
1
1
vcore_sleep
0
1
When PWREN is low:
VCORE stays in normal mode
VCORE goes in sleep mode
1



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