參數(shù)資料
型號(hào): XRT83SL216IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA289
封裝: 15 X 15 MM, STBGA-289
文件頁(yè)數(shù): 23/42頁(yè)
文件大?。?/td> 317K
代理商: XRT83SL216IB
XRT83SL216
21
REV. 1.0.0
16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
2.4
TAOS (Transmit All Ones)
The XRT83SL216 has the ability to transmit all ones on a per channel basis by programming the appropriate
channel register. If TAOS is enabled, the Transmitter outputs will generate an All Ones pattern regardless of
the Transmit Input data. The Remote Loop Back mode has priority over TAOS.
Figure 13
is a diagram showing
the all ones signal at TTIP and TRING.
2.5
ATAOS (Automatic Transmit All Ones)
ATAOS is used to generate an All Ones signal only when an RLOS condition occurs. If ATAOS is enabled, any
channel that experiences an RLOS condition will automatically cause the transmitter on that channel to send
an All Ones Pattern to the line using MCLK as reference. When RLOS clears, the All Ones pattern ends and
the Transmit path returns to normal operation.
F
IGURE
13. TAOS (T
RANSMIT
A
LL
O
NES
)
F
IGURE
14. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
ATAOS F
UNCTION
TAOS
1
1
1
Tx
All "1's"
Generator
TTIP
ATAOS
RLOS
TRING
Timing derived
from MCLK
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