TABLE
參數(shù)資料
型號(hào)： XRT86VL38IB-F
廠商： Exar Corporation
文件頁數(shù)： 131/160頁
文件大小： 0K
描述： IC LIU/FRAMER T1/E1/J1 8CH 420BG
標(biāo)準(zhǔn)包裝： 40
控制器類型： T1/E1/J1 調(diào)幀器，LIU
電源電壓： 3.3V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 420-BBGA
供應(yīng)商設(shè)備封裝： 420-PBGA
包裝： 托盤
其它名稱： 1016-1487
XRT86VL38IB-F-ND
XRT86VL38
67
OCTAL T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
REV. V1.2.0
TABLE 48: TRANSMIT DATA LINK BYTE COUNT REGISTER (TDLBCR3)
HEX ADDRESS: 0Xn154
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7
TxHDLC3 BUFAvail/
BUFSel
R/W
0
Transmit HDLC3 Buffer Available/Buffer Select
This bit has different functions, depending upon whether the user is
writing to or reading from this register, as depicted below.
If the user is writing data into this register bit:
0 - Configures the Transmit HDLC3 Controller to read out and trans-
mit the data, residing within “Transmit HDLC3 Buffer # 0", via the
Data Link channel to the remote terminal equipment.
1 - Configures the Transmit HDLC3 Controller to read out and trans-
mit the data, residing within the “Transmit HDLC3 Buffer #1”, via the
Data Link channel to the remote terminal equipment.
If the user is reading data from this register bit:
0 - Indicates that “Transmit HDLC3 Buffer # 0" is the next available
buffer. In this case, if the user wishes to write in the contents of a
new “outbound” Data Link Message into the Transmit HDLC3 Mes-
sage Buffer, he/she should proceed to write this message into
“Transmit HDLC3 Buffer # 0" - Address location: 0xn600.
1 - Indicates that “Transmit HDLC3 Buffer # 1" is the next available
buffer. In this case, if the user wishes to write in the contents of a
new “outbound” Data Link Message into the Transmit HDLC3 Mes-
sage Buffer, he/she should proceed to write this message into
“Transmit HDLC3 Buffer # 1" - Address location: 0xn700.
NOTE: If one of these Transmit HDLC3 buffers contain a message
which has yet to be completely read-in and processed for
transmission by the Transmit HDLC3 controller, then this bit
will automatically reflect the value corresponding to the next
available buffer when it is read. Changing this bit to the in-
use buffer is not permitted.
6-0
TDLBC[6:0]
R/W
0000000
Transmit HDLC3 Message - Byte Count
The exact function of these bits depends on whether the Transmit
HDLC 3 Controller is configured to transmit MOS or BOS messages
to the Remote Terminal Equipment.
In BOS MODE:
These bit fields contain the number of repetitions the BOS message
must be transmitted before the Transmit HDLC3 controller gener-
ates the Transmit End of Transfer (TxEOT) interrupt and halts trans-
mission. If these fields are set to 00000000, then the BOS message
will be transmitted for an indefinite number of times.
In MOS MODE:
These bit fields contain the length, in number of octets, of the mes-
sage to be transmitted. The length of MOS message specified in
these bits include header bytes such as the SAPI, TEI, Control field,
however, it does not include the FCS bytes.
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