參數(shù)資料
型號： XRT86VL32IB
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： DATACOM, FRAMER, PBGA225
封裝： 19 X 19 MM, 1 MM PITCH, PLASTIC, BGA-225
文件頁數(shù)： 79/174頁
文件大?。?/td> 903K
代理商： XRT86VL32IB
XRT86VL32
74
REV. V1.2.0
DUAL T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION
T
ABLE
59: T
RANSMIT
D
ATA
L
INK
B
YTE
C
OUNT
R
EGISTER
(TDLBCR3) H
EX
A
DDRESS
: 0
X
n154
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
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.
N
OTE
:
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT86VL32IB-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 1-Ch T1/E1/J1 RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT86VL34 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
XRT86VL34_07 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION
XRT86VL34_1 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - HARDWARE DESCRIPTION
XRT86VL34_2 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
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