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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PCA9450 데이터시트(PDF) 39 Page - NXP Semiconductors |
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PCA9450 데이터시트(HTML) 39 Page - NXP Semiconductors |
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39 / 96 page  NXP Semiconductors PCA9450 Power management IC for i.MX 8M application processor family PCA9450 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved. Product data sheet Rev. 1.0 — 19 November 2019 39 / 96 8.2.17 0x11 BUCK1OUT_DVS0 BUCK1 DVS output voltage at PMIC_STBY_REQ = L Table 37. 0x11 BUCK1OUT_DVS0 0x11 – BUCK1OUT_DVS0 Reset Type O Bit Name Type Reset Description 7 RSVD R/W 0 Reserved 6:0 B1_DVS0 R/W 001 0100 BUCK1 DVS0 Output voltage Programmable from 0.60 V to 2.1875 V in 12.5 mV step. Table 12 Default = 0.85 V 8.2.18 0x12 BUCK1OUT_DVS1 BUCK1 DVS output voltage at PMIC_STBY_REQ = H Table 38. 0x12 BUCK1OUT_DVS1 0x12 – BUCK1OUT_DVS1 Reset Type O Bit Name Type Reset Description 7 RSVD R/W 0 Reserved 6:0 B1_DVS1 R/W 001 0100 BUCK1 DVS1 Output voltage Programmable from 0.60 V to 2.1875 V in 12.5 mV step. Table 12 Default = 0.85 V 8.2.19 0x13 BUCK2CTRL BUCK2 control register for Ramp, DVS control, Active discharge, FPWM and Enable. Table 39. 0x13 BUCK2CTRL 0x13 – BUCK2CTRL Reset Type O Bit Name Type Reset Description 7:6 RAMP R/W 01 BUCK2 DVS speed 00b = 25 mV / 1 μs 01b = 25 mV / 2 μs 10b = 25 mV / 4 μs 11b = 25 mV / 8 μs 5 RSVD R/W 0 Reserved 4 DVS_CTRL R/W 0 DVS Control configuration 0b = BUCK voltage is determined by BUCK2VOUT_DVS0 register regardless of PMIC_STBY_REQ 1b = DVS control through PMIC_STBY_REQ 3 BUCK2AD R/W 1 BUCK2 Active discharge 0b = Always disable Active discharge resistor 1b = Enable Active discharge resistor when regulator is OFF 2 FPWM R/W 0 Forced PWM mode 0b = Automatic PFM and PWM mode transition 1b = Forced PWM mode |
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