參數(shù)資料
型號: DS21Q42T
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQFP128
封裝: TQFP-128
文件頁數(shù): 50/119頁
文件大?。?/td> 1309K
代理商: DS21Q42T
DS21Q42
36 of 119
CCR6: COMMON CONTROL REGISTER 6 (Address=1E Hex)
(MSB)
(LSB)
RJC
RESALGN
TESALGN
RCM4
RCM3
RCM2
RCM1
RCM0
SYMBOL
POSITION
NAME AND DESCRIPTION
RJC
CCR6.7
Receive Japanese CRC6 Enable.
0 = use ANSI/AT&T/ITU CRC6 calculation (normal operation)
1 = use Japanese standard JT–G704 CRC6 calculation
RESALGN
CCR6.6
Receive Elastic Store Align. Setting this bit from a zero to a one
may force the receive elastic store’s write/read pointers to a
minimum separation of half a frame. No action will be taken if the
pointer separation is already greater or equal to half a frame. If
pointer separation is less then half a frame, the command will be
executed and data will be disrupted. Should be toggled after
RSYSCLK has been applied and is stable. Must be cleared and set
again for a subsequent align. See Section 13 for details.
TESALGN
CCR6.5
Transmit Elastic Store Align. Setting this bit from a zero to a one
may force the transmit elastic store’s write/read pointers to a
minimum separation of half a frame. No action will be taken if the
pointer separation is already greater or equal to half a frame. If
pointer separation is less then half a frame, the command will be
executed and data will be disrupted. Should be toggled after
TSYSCLK has been applied and is stable. Must be cleared and set
again for a subsequent align. See Section 13 for details.
RCM4
CCR6.4
Receive Channel Monitor Bit 4. MSB of a channel decode that
determines which receive channel data will appear in the RDS0M
register. See Section 9 for details.
RCM3
CCR6.3
Receive Channel Monitor Bit 3.
RCM2
CCR6.2
Receive Channel Monitor Bit 2.
RCM1
CCR6.1
Receive Channel Monitor Bit 1.
RCM0
CCR6.0
Receive Channel Monitor Bit 0. LSB of the channel decode.
相關PDF資料
PDF描述
DS21Q43AT DATACOM, FRAMER, PQFP128
DS21Q44T DATACOM, FRAMER, PQFP128
DS21Q44TN DATACOM, FRAMER, PQFP128
DS21Q48N DATACOM, PCM TRANSCEIVER, PBGA144
DS21Q48 DATACOM, PCM TRANSCEIVER, PBGA144
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