IDT82P2282PFG8 IDT, Integrated Device Technology Inc, IDT82P2282PFG8 Datasheet - Page 55
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IDT82P2282PFG8
Manufacturer Part Number
IDT82P2282PFG8
Description
TXRX T1/J1/E1 2CHAN 100-TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Transceiverr
Datasheet
1.IDT82P2282PF8.pdf
(381 pages)
Specifications of IDT82P2282PFG8
Number Of Drivers/receivers
2/2
Protocol
IEEE 1149.1
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
100-TQFP, 100-VQFP
Screening Level
Industrial
Pin Count
100
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
82P2282PFG8
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IDT82P2282
3.10.2
alarm, AIS alarm, AIS in TS16 and LOS in TS16 are detected in this
block.
detected on the base of Basic frame synchronization. The criteria of
Remote alarm detection are defined by the RAIC bit. If the RAIC bit is
‘0’, the Remote alarm will be declared when 4 consecutive A bits are
received as ‘1’, and the Remote alarm will be cleared when a single A bit
is received as ‘0’. If the RAIC bit is ‘1’, the Remote alarm will be declared
when a single A bit is received as ‘1’, and the Remote alarm will be
cleared when a single A bit is received as ‘0’. The Remote alarm status
is reflected by the RAIV bit. Any transition (from ‘0’ to ‘1’ or from ‘1’ to ‘0’)
on the RAIV bit will set the RAII bit to ‘1’ and the RAII bit will be cleared
by writing a ‘1’. A ‘1’ in the RAII bit means there is an interrupt. The inter-
rupt will be reported by the INT pin if the RAIE bit is ‘1’.
(refer to Figure 13). It is detected on the base of CAS Signaling Multi-
Frame synchronization. The Remote Signaling Multi-Frame alarm will be
declared when 3 consecutive Y bits are received as ‘1’, and the Remote
Signaling Multi-Frame alarm will be cleared when a single Y bit is
received as ‘0’. The Remote Signaling Multi-Frame alarm status is
reflected by the RMAIV bit. Any transition (from ‘0’ to ‘1’ or from ‘1’ to ‘0’)
on the RMAIV bit will set the RMAII bit to ‘1’ and the RMAII bit will be
cleared by writing a ‘1’. A ‘1’ in the RMAII bit means there is an interrupt.
The interrupt will be reported by the INT pin if the RMAIE bit is ‘1’.
be declared when out of Basic frame synchronization persists for 100
ms, and the RED alarm will be cleared when in Basic frame synchroni-
zation persists for 100 ms. The RED alarm status is reflected by the
RED bit. Any transition (from ‘0’ to ‘1’ or from ‘1’ to ‘0’) on the RED bit will
set the REDI bit to ‘1’ and the REDI bit will be cleared by writing a ‘1’. A
‘1’ in the REDI bit means there is an interrupt. The interrupt will be
reported by the INT pin if the REDE bit is ‘1’.
The criteria of AIS alarm are defined by the AISC bit. When the AISC bit
is ‘0’, the criteria meet I.431. The AIS alarm will be declared when less
than 3 zeros are detected in a 512-bit fixed window and it is out of Basic
frame synchronization, and the AIS alarm will be cleared when more
than 2 zeros are detected in a 512-bit fixed window. When the AISC bit
is ‘1’, the criteria meet G.775. The AIS alarm will be declared when less
than 3 zeros are detected in each of 2 consecutive 512-bit fixed win-
dows, and the AIS alarm will be cleared when more than 2 zeros are
detected in each of 2 consecutive 512-bit fixed windows. The AIS alarm
status is reflected by the AIS bit. Any transition (from ‘0’ to ‘1’ or from ‘1’
to ‘0’) on the AIS bit will set the AISI bit to ‘1’ and the AISI bit will be
cleared by writing a ‘1’. A ‘1’ in the AISI bit means there is an interrupt.
The interrupt will be reported by the INT pin if the AISE bit is ‘1’.
zation. The AIS in TS16 will be declared when TS16 contains less than 4
zeros in each of two 16-consecutive-Basic-frame periods. The AIS in
TS16 will be cleared when TS16 contains more than 3 zeros in a 16-
consecutive-Basic-frame period. The AIS in TS16 status is reflected by
the TS16AISV bit. Any transition (from ‘0’ to ‘1’ or from ‘1’ to ‘0’) on the
Functional Description
The Remote alarm, Remote Signaling Multi-Frame alarm, RED
The Remote Alarm Indication bit is the A bit (refer to Table 18). It is
The Remote Signaling Multi-Frame Alarm Indication bit is the Y bit
The criteria of RED alarm detection meet I.431. The RED alarm will
The AIS alarm is detected whether it is in synchronization or not.
The AIS in TS16 is detected on the base of Basic frame synchroni-
E1 MODE
55
TS16AISV bit will set the TS16AISI bit to ‘1’ and the TS16AISI bit will be
cleared by writing a ‘1’. A ‘1’ in the TS16AISI bit means there is an inter-
rupt. The interrupt will be reported by the INT pin if the TS16AISE bit is
‘1’.
zation. The LOS in TS16 will be declared when 16 consecutive TS16 are
all received as ‘0’. The LOS in TS16 will be cleared when 16 consecutive
TS16 are not all received as ‘0’. The LOS in TS16 status is reflected by
the TS16LOSV bit. Any transition (from ‘0’ to ‘1’ or from ‘1’ to ‘0’) on the
TS16LOSV bit will set the TS16LOSI bit to ‘1’ and the TS16LOSI bit will
be cleared by writing a ‘1’. A ‘1’ in the TS16LOSI bit means there is an
interrupt. The interrupt will be reported by the INT pin if the TS16LOSE
bit is ‘1’.
Table 28: Related Bit / Register In Chapter 3.10.2
DUAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
The LOS in TS16 is detected on the base of Basic frame synchroni-
TS16LOSV
TS16LOSE
TS16AISV
TS16LOSI
TS16AISE
TS16AISI
RMAIV
RMAIE
RMAII
REDE
RAIC
AISC
RAIV
REDI
RAIE
AISE
RED
RAII
AISI
AIS
Bit
Alarm Criteria Control
Alarm Indication
Alarm Control
Alarm Status
Register
E1 Address (Hex)
August 20, 2009
0BC, 1BC
0BB, 1BB
0BA, 1BA
0B9, 1B9
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