Rainbow-electronics MAX8982X Manuale Utente Scaricare il pdf (Pagina 58)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

Table 39. LDO4V Register (Output Voltage Setting for OUT4)

Table 40. LDO5 Register (On/Off Control for LDO5)

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

53 00 R/W Reserved Reserved Reserved L4[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 0.90

0 0 0 0 1 1.00

0 0 0 1 0 1.20

0 0 0 1 1 1.10

X X 1 X X 0.80

X 1 X X X 0.80

1 X X X X 0.80

ADDRESS

(HEX)

POR

(HEX)

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

54 00 R/W Reserved Reserved Reserved Reserved Reserved Reserved LDO5[1:0]

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

BIT 1 BIT 0 DESCRIPTION

0 0 LDO5 off (in I

C on mode).

0 1 LDO5 on (in I

C on mode).

1 0 LDO5 on (in PWR_REQ on mode) (Group C).

1 1 LDO5 on (in PWR_REQ on mode) (Group C).

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 72 73

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Rainbow-electronics MAX8982X Manuale Utente Pagina 58