Rainbow-electronics MAX8982X Manual de usuario descargar pdf (Pagina 67)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

Table 56. RAMP Register (Slope Setting for BUCK1)

Table 57. BUCK1-4ADIS Register (Active Discharge Settings for BUCK1–BUCK4)

Note: The SD3ADIS and SD4ADIS bits are not used by the MAX8982X.

ADDRESS

(HEX)

POR

(HEX)

R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0

77 02 R/W Reserved Reserved Reserved Reserved Reserved Reserved RASD1[1:0]

BITS 7:2 Reserved, write 000000 to these bits.

DESCRIPTION

BIT 1 BIT 0 SLEW RATE

(mV/µs)

0 0 5

0 1 10

1 0 12.5

1 1 25

ADDRESS

(HEX)

POR

(HEX)

R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0

78 04 R/W Reserved Reserved Reserved Reserved

SD1

ADIS

SD2

ADIS

SD3

ADIS

SD4

ADIS

BITS 7:4 Reserved, write 0000 to these bits.

DESCRIPTION

SD1ADIS 0

1: Enable BUCK1 active discharge.

0: Disable BUCK1 active discharge.

SD2ADIS 1

1: Enable BUCK2 active discharge.

0: Disable BUCK2 active discharge.

SD3ADIS 0

1: Enable BUCK3 active discharge.

0: Disable BUCK3 active discharge.

SD4ADIS 0

1: Enable BUCK4 active discharge.

0: Disable BUCK4 active discharge.

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 73

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Rainbow-electronics MAX8982X Manual de usuario Pagina 67

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