Rainbow Electronics MAX8982X - Manual (Page 57)

Power-Management ICs for
ICERA E400/E450 Platform
MAX8982A/MAX8982X
57
Table 37. LDO3V Register (Output Voltage Setting for OUT3)
Table 38. LDO4 Register (On/Off Control for LDO4)
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
51 07 R/W Reserved Reserved Reserved L3[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
ADDRESS
(HEX)
POR
(HEX)
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
52 03 R/W Reserved Reserved Reserved Reserved Reserved Reserved LDO4[1:0]
BITS 7:2 Reserved, write 000000 to these bits.
BIT 1 BIT 0 DESCRIPTION
0 0 LDO4 off (in I 2 C on mode).
0 1 LDO4 on (in I 2 C on mode).
1 0 LDO4 on (in PWR_REQ on mode) (Group D).
1 1 LDO4 on (in PWR_REQ on mode) (Group D).