ACT5880 datasheet(22/87 Pages) ACTIVE-SEMI

22 / 87 page

ACT5880

Rev 2, 03-Sep-13

- 22 -

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ActivePMU

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I2CTM is a trademark of NXP.

Active-Semi Confidential―Do Not Copy or Distribute

BLOCK

ADDRESS

and BIT

NAME

DEFAULT

and

ACCESS

DESCRIPTION

REG3

0x30

VSET[7]

W/R

VSET[6]

VSET[5]

VSET[4]

VSET[3]

VSET[2]

VSET[1]

VSET[0]

0x31

W/R

Regulator On/Off Bit. Set bit to 1 to turn on the regulator, set bit

to 0 to turn off the regulator.

PHASE

W/R

Regulator Phase Control. Set bit to 1 for the regulator to operate

180° out of phase with the oscillator, set bit to 0 for the regulator

to operate in phase with the oscillator.

RFU

WE/R Reserved for future use.

DELAY[2]

W/R

Regulator Turn-On Delay Control. DELAY[2:0]=000 for no delay.

Other code to delay relationship: 001 for 2ms, 010 for 4ms, 011

for 8ms, 100 for 16ms, 101 for 32ms, 110 for 64ms and 111 for

128ms. There is a propagation delay for about 100μs if selecting

no delay.

DELAY[1]

DELAY[0]

nFLTMSK

W/R

Regulator Fault Interrupt Mask. Set bit to 1 to enable fault-

interrupt when the output is out of regulation, set bit to 0 to dis-

able fault-interrupt.

W/R

Regulator Power-OK Status. Value is 0 when the output is out of

regulation, value is 1 when the output is in regulation.

Voltage Setting for the REG3 output. Default setting is 5V. Refer to

the table of STEP-UP DC/DC VOLTAGE SETTING for details.

Note:

W/R: Write and read accessible. R: Read accessible, writing to the bit does not make change to the volume. WE/R: Write

and read accessible, write exact what it is before to avoid unexpected behavior. X is uncertain volume.

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