Table 32. ldo1 register (on/off control for ldo1) – Rainbow Electronics MAX8982X User Manual
Page 55
Power-Management ICs for
ICERA E400/E450 Platform
MAX8982A/MAX8982X
55
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
2
C on mode).
0
1
BUCK2 on (in I
2
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
2
C on mode).
0
1
LDO1 on (in I
2
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