Rainbow-electronics MAX8982X Manual de usuario descargar pdf (Pagina 64)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

Table 51. On/Off Register (On/Off Control for BUCK3, BUCK4, and the Internal 32kHz Clock)

Table 52. BUCK3 Register (Output Voltage Setting for BUCK3)

Note: The BUCK3 and BUCK4 bits are not used by the MAX8982X.

Note: This register is 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

70 03 R/W Reserved Reserved Reserved BUCK4[1:0] BUCK3[1:0] 32KCLK

BITS 7:5 Reserved, write 000 to these bits.

NAME

DESCRIPTION

BUCK4[1] BUCK4[0]

0 0 BUCK4 off (in I

C on mode).

0 1 BUCK4 on (in I

C on mode).

1 0 BUCK4 on (in PWR_REQ on mode) (Group B).

1 1 BUCK4 on (in PWR_REQ on mode) (Group B).

BUCK3[1] BUCK3[0] DESCRIPTION

0 0 BUCK3 OFF (in I

C on mode).

0 1 BUCK3 ON (in I

C on mode).

1 0 BUCK3 ON (in PWR_REQ on mode).

1 1 BUCK3 ON (in PWR_REQ on mode).

NAME POR DESCRIPTION

32KCLK

1: Turn on 32kHz.

0: Turn off 32kHz.

ADDRESS

(HEX)

POR

(HEX)

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

72 06 R/W Reserved Reserved Reserved Reserved SD3[3:0]

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

DESCRIPTION

BIT 3 BIT 2 BIT 1 BIT 0 V

PROG

(V)

0 0 0 0 2.90

0 0 0 1 2.95

0 0 1 0 3.00

0 0 1 1 3.05

0 1 0 0 3.10

0 1 0 1 3.15

0 1 1 0 3.20

0 1 1 1 3.25

1 0 0 0 3.30

1 0 0 1 3.35

1 0 1 0 3.40

1 0 1 1 3.45

1 1 0 0 3.50

1 1 0 1 3.55

1 1 1 0 3.60

1 1 1 1 3.65

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 72 73

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Rainbow-electronics MAX8982X Manual de usuario Pagina 64

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