C8051F342 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F342

Full Speed USB Flash MCU Family

Silicon Laboratories 

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D

SFR Definition 8.1. REG0CN: Voltage Regulator Control

R/W

REGDIS

Bit7

R

VBSTAT

Bit6

R/W

VBPOL

Bit5

R/W

R/W

R/W

R/W

R/W

Reset Value

REGMOD Reserved Reserved Reserved Reserved 00000000

Bit4

Bit3

Bit2

Bit1

Bit0 SFR Address:

0xC9

Bit7:

Bit6:

Bit5:

Bit4:

Bits3–0:

REGDIS: Voltage Regulator Disable.

0: Voltage Regulator Enabled.

1: Voltage Regulator Disabled.

VBSTAT: VBUS Signal Status.

0: VBUS signal currently absent (device not attached to USB network).

1: VBUS signal currently present (device attached to USB network).

VBPOL: VBUS Interrupt Polarity Select.

This bit selects the VBUS interrupt polarity.

0: VBUS interrupt active when VBUS is low.

1: VBUS interrupt active when VBUS is high.

REGMOD: Voltage Regulator Mode Select.

This bit selects the Voltage Regulator mode. When REGMOD is set to ‘1’, the voltage regu-

lator operates in low power (suspend) mode.

0: USB0 Voltage Regulator in normal mode.

1: USB0 Voltage Regulator in low power mode.

Reserved. Read = 0000b. Must Write = 0000b.

72

Rev. 1.3

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