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High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
38   ______________________________________________________________________________________
The ID register (Table 24) keeps track of the device ID
number and revision. The MAX5965A/MAX5965Bs
ID_CODE[4:0] = 11001b. Contact the factory for
REV[2:0] value.
Table 23. Global Pushbuttons Register
ADDRESS = 1Ah
SYMBOL
BIT
R/W
DESCRIPTION
CLR_INT
7
W
A logic-high clears all interrupts
Reserved
6

Reserved
Reserved
5

Reserved
RESET_IC
4
W
A logic-high resets the MAX5965A/MAX5965B
RESET_P4
3
W
A logic-high resets port 4
RESET_P3
2
W
A logic-high resets port 3
RESET_P2
1
W
A logic-high resets port 2
RESET_P1
0
W
A logic-high resets port 1
Table 24. ID Register
ADDRESS = 1Bh
SYMBOL
BIT
R/W
DESCRIPTION
7
R
ID_CODE[4]
6
R
ID_CODE[3]
5
R
ID_CODE[2]
4
R
ID_CODE[1]
ID_CODE
3
R
ID_CODE[0]
2
R
REV[2]
1
R
REV[1]
REV
0
R
REV[0]
Writing a 1 to CLR_INT (Table 23) clears all the event
registers and the corresponding interrupt bits in regis-
ter R00h. Writing a 1 to RESET_P_ turns off power to the
corresponding port and resets only the status and
event registers of that port. After execution, the bits
reset to 0. Writing a 1 to RESET_IC causes a global
software reset, after which the register map is set back
to its reset state. A reset sets R1Ah = 00h.
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