Rainbow Electronics MAX8982X - Manual (Page 58)

Power-Management ICs for
ICERA E400/E450 Platform
MAX8982A/MAX8982X
58
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 2 C on mode).
0 1 LDO5 on (in I 2 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).