Alif Semiconductor /AE512F80F5582AS_CM55_HP_View /ANA /DCDC_REG2

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Interpret as DCDC_REG2

31282724232019161512118743000000000000000000000000000000000000000000 (Val_0b000)TRIM_SS0TRIM_ZCD0 (Val_0)TRIM_RCOMP0 (PFM_AUTO_SWITCH_EN)PFM_AUTO_SWITCH_EN0 (PS_MODE)PS_MODE0ONESHOT_L_CONT0 (Val_0b0000)PHY_LDO_CONT0TRIM_ONESHOT_CAP0TRIM_GAIN_LSENSE0 (DIS_MIN_TOFF)DIS_MIN_TOFF0DCDC_XTAL_DIV_CONT0 (DCDC_XTAL_DIV_EN)DCDC_XTAL_DIV_EN

PHY_LDO_CONT=Val_0b0000, TRIM_RCOMP=Val_0, TRIM_SS=Val_0b000

Description

DC/DC Control Register 2

Fields

TRIM_SS

Trim for soft start timing: Step: 5 us

0 (Val_0b000): 10 us

7 (Val_0b111): 45 us

TRIM_ZCD

Trim for PFM ZCD comparator offset voltage

TRIM_RCOMP

Trim for loop filter resistor.

0 (Val_0): shorts out loop resistor

1 (Val_1): enables loop resistor

PFM_AUTO_SWITCH_EN

When set to 1, DC-DC switches to PFM mode automatically. When cleared to 0, PFM mode is controlled by [PS_MODE] bit.

PS_MODE

Puts the DC-DC converter into PFM mode, with ultra low quiescent current. PFM_AUTO_SWITCH_EN bit must be 0.

ONESHOT_L_CONT

One-shot control

PHY_LDO_CONT

MIPI PHY LDO (LDO-6) output voltage control: Step: 20 mV

0 (Val_0b0000): 1.6 V

15 (Val_0b1111): 1.9 V

TRIM_ONESHOT_CAP

Trim one-shot capacitor

TRIM_GAIN_LSENSE

Trim Current Sense Gain. bit 4: sign bit (1: Positive, 0: Negative) Min: 01111: -25% Max: 11111: +25% Step: 1.6%

DIS_MIN_TOFF

Disable minimum Toff

DCDC_XTAL_DIV_CONT

High-frequency XTAL frequency divider division value: Fout = Fxtal / (2 x DCDC_XTAL_DIV_CONT)

DCDC_XTAL_DIV_EN

1 (Val_0x1): Enable DC-DC high-frequency XTAL frequency divider.

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