Table 30. register map summary – Rainbow Electronics MAX5945 User Manual
Page 35
MAX5945
Quad Network Power Controller
for Power-Over-LAN
______________________________________________________________________________________
35
Table 30. Register Map Summary
ADDR
REGISTER
NAME
R/W
PORT
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RESET
STATE
INTERRUPTS
00h
Interrupt
RO
G
SUP_FLT
TSTR_FLT
IMAX_FLT
CL_END
DET_END
LD_DISC
PG_INT
PE_INT
0000,0000
01h
Int Mask
R/W
G
M
ASK7
MASK6
MASK5
MASK4
MASK3
MASK2
MASK1
MASK0
AAA0,0A00
EVENTS
02h
Power Event
RO
4321
0000,0000
03h
Power Event
CoR
CoR
PG_CHG4
PG_CHG3
PG_CHG2
PG_CHG1
PWEN_
CHG4
PWEN_
CHG3
PWEN_
CHG2
PWEN_
CHG1
04h
Detect Event
RO
4321
0000,0000
05h
Detect Event
CoR
CoR
CL_END4
CL_END3
CL_END2
CL_END1
D
E
T
_
E
N
D
4
D
E
T
_
E
N
D
3
D
E
T
_
E
N
D
2
D
E
T
_
E
N
D
1
06h
Fault Event
RO
4321
0000,0000
07h
Fault Event
CoR
CoR
LD_DISC4
LD_DISC3
LD_DISC2
LD_DISC1
IM
A
X
_
F
L
T
4
IM
A
X
_
F
L
T
3
IM
A
X
_
F
L
T
2
IM
A
X
_
F
L
T
1
08h
Tstart Event
RO
4321
0000,0000
09h
Tstart Event
CoR
CoR
IVC4
IVC3
IVC2
IVC1
S
T
R
T
_
F
L
T
4
S
T
R
T
_
F
L
T
3
S
T
R
T
_
F
L
T
2
S
T
R
T
_
F
L
T
1
0Ah
Supply Event
RO
4321
0011,0101*
0Bh
Supply Event
CoR
CoR
TSD
VDD_OV
VDD_UV
VEE UVLO
VEE_OV
VEE_UV
OSC_FAIL
V
D
D
_
U
V
L
O
STATUS
0Ch
Port 1 Status
RO
1
reserved
CLASS1[2]
CLASS1[1]
CLASS1[0]
reserved
DET_ST1
[2]
DET_ST1
[1]
DET_ST1
[0]
0000,0000
0Dh
Port 2 Status
RO
2
reserved
CLASS2[2]
CLASS2[1]
CLASS2[0]
reserved
DET_ST2
[2]
DET_ST2
[1]
DET_ST2
[0]
0000,0000
0Eh
Port 3 Status
RO
3
reserved
CLASS3[2]
CLASS3[1]
CLASS3[0]
reserved
DET_ST3
[2]
DET_ST3
[1]
DET_ST3
[0]
0000,0000
0Fh
Port 4 Status
RO
4
reserved
CLASS4[2]
CLASS4[1]
CLASS4[0]
reserved
DET_ST4
[2]
DET_ST4
[1]
DET_ST4
[0]
0000,0000
10h
Power Status
RO
4321
PGOOD4
PGOOD3
PGOOD2
PGOOD1
PWR_EN4
PWR_EN3
PWR_EN2
PWR_EN1
0000,0000
11h
Pin Status
RO
G
reserved
reserved
A3
A2
A1
A0
MIDSPAN
AUTO
00A3A2,
A1A0MA
*UV and UVLO bits of V
EE
and V
DD
asserted depend on the order V
EE
and V
DD
supplies are brought up.
A = AUTO pin state, A3..0 = ADDRESS pin states, M = MIDSPAN pin state, R = contact factory for current revision code Table 15a.