82P2288BB IDT, Integrated Device Technology Inc, 82P2288BB Datasheet - Page 234

• Manufacturer Part Number: 82P2288BB
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82P2288BB

• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Not Compliant

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/J1-0CBH,...) 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, T1/J1-0CCH,...) 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 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.
The data of the corresponding channel 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 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
234
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
JANUARY 10, 2011
GAP
R/W
0
0