參數(shù)資料
型號: DS2180AN
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PDIP40
封裝: 0.600 INCH, DIP-40
文件頁數(shù): 3/35頁
文件大?。?/td> 481K
代理商: DS2180AN
DS2180A
11 of 35
193S TRANSMIT MULTIFRAME TIMING Figure 9
NOTES:
1. Transmit frame and multiframe timing may be established in one of four ways:
a. With TFSYNC tied low, TMSYNC may be pulsed high once every multiframe period to establish
multiframe boundaries, allowing internal counters to determine frame timing.
b. TFSYNC may be pulsed every 125 microseconds; pulsing TMSYNC once establishes multiframe
boundaries.
c. TMSYNC and TFSYNC may be continuously pulsed to establish and reinforce frame and
superframe timing.
d. If TMSYNC is tied low and TFSYNC is pulsed at frame boundaries, the transmitter will establish
an arbitrary multiframe boundary as indicated by TMO.
2. Channels in which robbed bit signaling is enabled will sample TABCD during the LSB bit time in
frames indicated.
3. When external S-bit insertion is enabled, TLINK will be sampled during the F-bit time of even frames
and inserted into the outgoing data stream.
相關(guān)PDF資料
PDF描述
DS2181AN DATACOM, FRAMER, PDIP40
DS2181AQN DATACOM, FRAMER, PQCC44
DS2181A DATACOM, FRAMER, PDIP40
DS2181AQ DATACOM, FRAMER, PQCC44
DS2182A DATACOM, FRAMER, PDIP28
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