Rainbow-electronics MAX8982X Bedienungsanleitung PDF herunterladen (Seite 55)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

Table 31. BUCK2 Register (On/Off Control for BUCK2)

Table 32. LDO1 Register (On/Off Control for LDO1)

Table 33. LDO1V Register (Output Voltage Setting for OUT1)

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

45 45 R/W Reserved Reserved Reserved Reserved Reserved Reserved BUCK2[1:0]

BITS 7:2 Reserved, write 010001 to these bits.

BIT 1 BIT 0 DESCRIPTION

0 0 BUCK2 off (in I

C on mode).

0 1 BUCK2 on (in I

C on mode).

1 0 BUCK2 on (in PWR_REQ on mode) (Group A).

1 1 BUCK2 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

4C 03 R/W Reserved Reserved Reserved Reserved Reserved Reserved LDO1[1:0]

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

BIT 1 BIT 0 DESCRIPTION

0 0 LDO1 off (in I

C on mode).

0 1 LDO1 on (in I

C on mode).

1 0 LDO1 on (in PWR_REQ on mode) (Group B).

1 1

LDO1 on (in PWR_REQ on mode) (Group B).

ADDRESS

(HEX)

POR

(HEX)

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

4D 04 R/W Reserved Reserved Reserved L1[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 2.65

0 0 0 0 1 2.65

0 0 0 1 0 2.65

0 0 0 1 1 2.65

0 0 1 0 0 2.70

0 0 1 0 1 2.70

0 0 1 1 0 2.75

0 0 1 1 1 2.80

0 1 0 0 0 2.85

0 1 0 0 1 2.90

0 1 0 1 0 2.95

0 1 0 1 1 3.00

0 1 1 X X 3.00

1 X X X X 3.00

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 72 73

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