78P2352 Dual Channel OC-3/STM1-E/E4 Line Interface Unit
REGISTER DESCRIPTION (CONTINUED)
ADDRESS 0-1: INTERRUPT CONTROL REGISTER
This register selects the events that would cause the interrupt pins to be activated. User may set as many bits as
required.
DFLT
BIT
NAME
TYPE
DESCRIPTION
VALUE
Interrupt Pin Polarity Selection:
0 : Interrupt output is active-low (default)
1 : Interrupt output is active-high
7
INPOL
--
R/W
R/W
0
6:2
01000 Reserved
TXLOL Error Mask (active low):
Gates the TXLOL register bit to the INTTXxB interrupt pin.
1
0
MTLOL
MFERR
R/W
R/W
1
1
0: Mask
1: Pass
FIERR Error Mask (active low):
Gates the respective FIERR register bit to the INTTXxB interrupt pin.
0: Mask
1: Pass
ADDRESS 0-2: RESERVED
DFLT
VALUE
BIT
NAME
TYPE
DESCRIPTION
7:0
--
R/W
XXXXXXX0 Reserved.
10
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