DS1875T+TR MAXIM [Maxim Integrated Products], DS1875T+TR Datasheet - Page 55
DS1875T+TR
Manufacturer Part Number
DS1875T+TR
Description
PON Triplexer and SFP Controller
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS1875TTR.pdf
(92 pages)
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Lower Memory, Register 79h: DIN
Lower Memory, Register 7Ah: RESERVED
79h
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
This register is reserved. The value when read is 00h.
INV M3QT
BIT 7
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
______________________________________________________________________________________
INV M3QT: Status of inversion of M3QT (internal signal) to D2 pin. MUX M3QT bit must be set to 1 or
this bit does not affect the output. The value is controlled (or set) by the DPU byte.
1 = M3QT buffered to D2 is inverted.
MUX M3QT: Determines control of D2 pin. The value is controlled (or set) by the DPU byte.
0 = Logic value of D2 is controlled by DOUT byte.
1 = Logic value of D2 is controlled by M3QT (internal signal) and INV M3QT bit.
INV LOS: Status of inversion of LOSI pin to D0 pin. MUX LOS bit must be set to 1 or this bit does not
effect the output. The value is controlled (or set) by the DPU byte.
1 = LOSI buffered D0 is inverted.
MUX LOS: Determines control of D0 pin. The value is controlled (or set) by the DPU byte.
0 = Logic value of D0 is controlled by DOUT byte.
1 = Logic value of D0 is controlled by LOSI pin and INV LOS bit.
D3 IN: Reflects the logic value of D3 pin.
D2 IN: Reflects the logic value of D2 pin.
D1 IN: Reflects the logic value of D1 pin.
D0 IN: Reflects the logic value of D0 pin.
MUX M3QT
See description
All
N/A
Volatile
00h
All
N/A
N/A
PON Triplexer and SFP Controller
INV LOS
MUX LOS
D3 IN
D2 IN
D1 IN
D0 IN
BIT 0
55
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