STW4811M STMicroelectronics, STW4811M Datasheet - Page 33

• Manufacturer Part Number: STW4811M
• Description: Power Management For Multimedia Processors
• Manufacturer: STMicroelectronics

STw4811M/STw4811N
Power control register at address 06h
Table 23.
Power control register at address 07h
Table 24.
1. No soft start feature at supply enabled after a disabled/enabled sequence
[3:2] vaux_sel[1:0]
15
Bits
15
Bits
4
1
4
2
1
14
14
vpll_sel[1:0]
on 06h and 07h
address
usb_i2c_ctrl
en_vpll
en_vcore
vpll_sel[1]
Not used
Not used
13
13
Name
Name
Address 1Fh
Address 1Fh
Power control register at address 06h
Power control register at address 07h
12
12
11
11
10
10
Value
Value
00
01
10
11
00
01
10
11
0
1
0
1
0
1
-
9
0
9
0
= 1.05V
= 1.2V
= 1.3V
= 1.8V
= 1.5V
= 1.8V
= 2.5V
= 2.8V
USB I2C interface controls USB registers
Main I2C interface controls USB registers
Disabled / VPLL = OFF
Enabled / VPLL = ON
Disabled / VCORE = OFF
Enabled / VCORE = ON
See
8
0
8
0
Table 23
7
1
7
1
6
1
6
1
5
0
5
1
vpll_sel
en_vpll
(1)
Settings
Settings
[0]
4
4
(1)
Address 1Eh
Address 1Eh
used
not
3
3
vaux_sel
<1:0>
Functional description
vcore
en_
2
2
vpll_sel
i2c_ctrl
usb_
[1]
1
1
Default
Default
11
00
EN
0
EN
1
1
33/87
-
0
0