Rainbow-electronics MAX8982X Manual de usuario descargar pdf (Pagina 56)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

Table 34. LDO2 Register (ON/OFF Control for LDO2)

Table 36. LDO3 Register (On/Off Control for LDO3)

Table 35. LDO2V Register (Output Voltage Setting for OUT2)

X = Don’t care.

ADDRESS

(HEX)

POR

(HEX)

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

4E 03 R/W Reserved Reserved Reserved Reserved Reserved Reserved LDO2[1:0]

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

BIT 1 BIT 0 DESCRIPTION

0 0 LDO2 off (in I

C on mode).

0 1 LDO2 on (in I

C on mode).

1 0 LDO2 on (in PWR_REQ on mode) (Group A).

1 1

LDO2 on (in PWR_REQ on mode) (Group A).

ADDRESS

(HEX)

POR

(HEX)

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

4F 04 R/W Reserved Reserved Reserved L2[4:0]

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

DESCRIPTION

BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 V

PROG

(V)

0 0 0 0 0 1.50

0 0 0 0 1 1.50

0 0 0 1 0 1.50

0 0 0 1 1 1.50

0 0 1 0 0 1.80

0 0 1 0 1 2.70

0 0 1 1 0 2.70

0 0 1 1 1 2.70

0 1 0 0 0 2.70

0 1 0 0 1 2.70

0 1 0 1 0 2.70

0 1 0 1 1 1.70

0 1 1 X X 1.70

1 X X X X 1.70

ADDRESS

(HEX)

POR

(HEX)

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

50 01 R/W Reserved Reserved Reserved Reserved Reserved Reserved LDO3[1:0]

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

BIT 1 BIT 0 DESCRIPTION

0 0 LDO3 off (in I

C on mode).

0 1 LDO3 on (in I

C on mode).

1 0 LDO3 on (in PWR_REQ on mode) (Group B).

1 1 LDO3 on (in PWR_REQ on mode) (Group B).

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 72 73

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Rainbow-electronics MAX8982X Manual de usuario Pagina 56

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