XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 314
XRT94L33IB-L
Manufacturer Part Number
XRT94L33IB-L
Description
IC MAPPER DS3/E3/STS-1 504TBGA
Manufacturer
Exar Corporation
Specifications of XRT94L33IB-L
Applications
Network Switches
Interface
Bus
Voltage - Supply
3.14 V ~ 3.47 V
Package / Case
504-LBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L33IB-L
Manufacturer:
Exar Corporation
Quantity:
10 000
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XRT94L33
Rev.1.2.0.
Transmit STS-3 Transport – Transmit J0 Byte Control Register (Address = 0x194F)
The relationship between the contents of “J0_Message_Length[1:0]” and the corresponding length of the
“Section Trace Message” is presented below in Table _.
Table 18: The Relationship Between the contents of the “J0_Message_Length[1:0]” and the
corresponding “Section Trace Message” Length
STEP 3 – Write the value “[0, 1]” into Bits 1 and 0 (J0_Type[1:0]) within the Transmit STS-3 Transport
– Transmit J0 Control Register; as depicted below.
Transmit STS-3 Transport – Transmit J0 Byte Control Register (Address = 0x194F)
This step configures the Transmit STS-3 TOH Processor block to use the contents of the “Transmit Section
Trace Message” buffer as the source of the J0 byte, within each “outbound” STS-3 Frame.
2.2.9.5.5.3
The Transmit STS-3 TOH Processor block permits the user to specify the contents of the J0 byte within the
“outbound” STS-3 frame, via software command. The user can configure the Transmit STS-3 TOH Processor
block to support this feature by performing the following steps.
STEP 1 – Write the value “[1, 0]” into Bits 1 and 0 (J0 Type[1:0]) within the “Transmit STS-3 Transport –
Transmit J0 Byte Control” Register, as depicted below.
J0_M
B
B
R/O
R/O
IT
IT
0
0
7
7
ESSAGE
00
01
10
11
_L
Setting and Controlling the “Outbound” J0 Byte via On-Chip Register
ENGTH
B
B
R/O
R/O
IT
IT
0
0
6
6
[1:0]
Unused
Unused
B
B
R/O
R/O
IT
IT
0
0
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
5
5
B
B
R/O
R/O
S
IT
IT
0
0
ECTION
4
4
314
T
RACE
J0 Message Length[1:0]
J0 Message Length[1:0]
B
B
R/W
R/W
M
IT
X
IT
X
ESSAGE
3
3
16
64
64
1
L
ENGTH
B
B
R/W
R/W
IT
IT
X
X
(
2
2
BYTES
)
B
B
R/W
R/W
IT
X
IT
0
1
1
xr
J0 Type[1:0]
J0 Type[1:0]
B
B
R/W
R/W
IT
IT
X
1
0
0
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