STW4810 datasheet(31/79 Pages) STMICROELECTRONICS

Teilenummer	STW4810

Bauteilbeschribung	Power management for multimedia processors

PDF	79 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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31 / 79 page

Functional description

STw4810

30/78

Power control register at address 06h

Power control register at address 07h

Table 23.

Power control register at address 06h

Address 1Fh

Address 1Eh

9876

Not used

0011

vpll_sel

[0]

vaux_sel

<1:0>

usb_

i2c_ctrl

Bits

Name

Value

Settings

Default

vpll_sel[1:0]

on 06h and 07h

address

= 1.05V

= 1.2V

= 1.3V

= 1.8V

[3:2] vaux_sel[1:0]

= 1.5V

= 1.8V

= 2.5V

= 2.8V

usb_i2c_ctrl

USB I2C interface controls USB registers

Main I2C interface controls USB registers

Table 24.

Power control register at address 07h

Address 1Fh

Address 1Eh

8765

Not used

0111

en_vpll

not

used

en_

vcore

vpll_sel

[1]

Bits

Name

Value

Settings

Default

en_vpll

Disabled / VPLL = OFF

Enabled / VPLL = ON(1)

No soft start feature at supply enabled after a disabled/enabled sequence

en_vcore

Disabled / VCORE = OFF

Enabled / VCORE = ON(1)

vpll_sel[1]

See

Table 23

STW4810 Datenblatt(PDF) 31 Page - STMicroelectronics

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