82P2288BB8 IDT, Integrated Device Technology Inc, 82P2288BB8 Datasheet - Page 232
82P2288BB8
Manufacturer Part Number
82P2288BB8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2288BB8.pdf
(362 pages)
Specifications of 82P2288BB8
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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T1/J1 Channel Control Register (01H ~ 18H)
SUBST[2:0]:
SINV, OINV, EINV:
G56K, GAP:
Programming Information
IDT82P2288
SUBST[2:0]
Bit Name
When the GSUBST[2:0] bits (b2~0, T1/J1-0D0H,...) 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 Receive Clock Master mode when the PCCE bit (b0, T1/J1-0D1H,...) is ‘1’.
Default
Bit No.
Type
others
000
001
010
011
SINV
0
0
0
0
1
1
1
1
G56K
X
No operation.
The data of the corresponding channel 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 channel is replaced by the A-Law digital milliwatt pattern.
The data of the corresponding channel is replaced by the µ-Law digital milliwatt pattern.
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 channel is not gapped.
Bit 8 (LSB) of the corresponding channel is gapped (no clock signal during the Bit 8).
The corresponding channel is gapped (no clock signal during the channel).
SUBST0
R/W
5
0
SINV
R/W
Replacement Selection
4
0
232
OCTAL 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
March 04, 2009
GAP
R/W
0
0
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