82P2284BB IDT, Integrated Device Technology Inc, 82P2284BB Datasheet - Page 338
82P2284BB
Manufacturer Part Number
82P2284BB
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2284BB.pdf
(363 pages)
Specifications of 82P2284BB
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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E1 Timeslot Control Register (00H ~ 1FH)
SUBST[2:0]:
SINV, OINV, EINV:
G56K, GAP:
Programming Information
IDT82P2284
SUBST[2:0]
Bit Name
When the GSUBST[2:0] bits(b2~0, E1-0CBH,...) are ‘000’, these bits select the replacement on a per-channel basis.
These three bits select how to invert the bits in the corresponding channel.
These bits are valid in Transmit Clock Master mode when the PCCE bit (b0, E1-0CCH,...) is ‘1’.
Default
Bit No.
Type
others
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
SINV
0
0
0
0
1
1
1
1
G56K
X
No operation.
The data of the corresponding timeslot is replaced by the data trunk code set in the DTRK[7:0] bits (b7~0, T1/J1-ID-21~38H).
The data of the corresponding timeslot is replaced by the A-Law digital milliwatt pattern.
The data of the corresponding timeslot is replaced by the µ-Law digital milliwatt pattern.
The data of the corresponding timeslot is replaced by the payload loopback code extracted from the Elastic Store Buffer in the receive path.
Reserved.
0
1
SUBST2
R/W
7
0
OINV
0
0
1
1
0
0
1
1
GAP
0
0
1
EINV
0
1
0
1
0
1
0
1
SUBST1
R/W
6
0
No inversion.
Invert the even bits (bit 2, 4, 6, 8) of the corresponding channel (bit 1 is the MSB).
Invert the odd bits (bit 3, 5, 7) except the MSB of the corresponding channel (bit 1 is the MSB).
Invert the bits from bit 2 to bit 8 of the corresponding channel (bit 1 is the MSB).
Invert the MSB (bit 1) of the corresponding channel.
Invert the MSB (bit 1) and the even bits (bit 2, 4, 6, 8) of the corresponding channel.
Invert all the odd bits (bit 1, 3, 5, 7) of the corresponding channel (bit 1 is the MSB).
Invert all the bits (bit 1 ~ bit 8) of the corresponding channel (bit 1 is the MSB).
The corresponding timeslot is not gapped.
Bit 8 (LSB) of the corresponding timeslot is gapped (no clock signal during the Bit 8).
The corresponding timeslot is gapped (no clock signal during the timeslot).
SUBST0
R/W
5
0
SINV
R/W
Replacement Selection
4
0
338
QUAD T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
Bit Inversion
Gap Mode
OINV
R/W
3
0
EINV
R/W
2
0
G56K
R/W
1
0
February 25, 2008
GAP
R/W
0
0
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