參數(shù)資料
型號: DS2152LN
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQFP100
封裝: LQFP-100
文件頁數(shù): 66/94頁
文件大?。?/td> 1003K
代理商: DS2152LN
DS2152
69 of 93
RDNCD: RECEIVE DOWN CODE DEFINITION REGISTER (Address=15 Hex)
(MSB)
(LSB)
C7
C6
C5
C4
C3
C2
C1
C0
SYMBOL
POSITION
NAME AND DESCRIPTION
C7
RDNCD.7
Receive Down Code Definition Bit 7. First bit of the repeating
pattern.
C6
RDNCD.6
Receive Down Code Definition Bit 6. A Don’t Care if a 1-bit
length is selected.
C5
RDNCD.5
Receive Down Code Definition Bit 5. A Don’t Care if a 1 or 2-
bit length is selected.
C4
RDNCD.4
Receive Down Code Definition Bit 4. A Don’t Care if a 1 to 3-
bit length is selected.
C3
RDNCD.3
Receive Down Code Definition Bit 3. A Don’t Care if a 1 to 4-
bit length is selected.
C2
RDNCD.2
Receive Down Code Definition Bit 2. A Don’t Care if a 1 to 5-
bit length is selected.
C1
RDNCD.1
Receive Down Code Definition Bit 1. A Don’t Care if a 1 to 6-
bit length is selected.
C0
RDNCD.0
Receive Down Code Definition Bit 0. A Don’t Care if a 1 to 7-
bit length is selected.
13.0 TRANSMIT TRANSPARENCY
Each of the 24 T1 channels in the transmit direction of the DS2152 can be either forced to be transparent
or, in other words, can be forced to stop Bit 7 Stuffing and/or Robbed Signaling from overwriting the data
in the channels. Transparency can be invoked on a channel by channel basis by properly setting the
TTR1, TTR2, and TTR3 registers.
TTR1/TTR2/TTR3:
TRANSMIT TRANSPARENCY REGISTER (Address=39 to 3B Hex)
(MSB)
(LSB)
CH8
CH7
CH6
CH5
CH4
CH3
CH2
CH1
TTR1 (39)
CH16
CH15
CH14
CH13
CH12
CH11
CH10
CH9
TTR2 (3A)
CH24
CH23
CH22
CH21
CH20
CH19
CH18
CH17
TTR3 (3B)
SYMBOL
POSITION
NAME AND DESCRIPTION
CH24
TTR3.7
Transmit Transparency Registers.
0=this DS0 channel is not transparent
CH1
TTR1.0
1=this DS0 channel is transparent
相關PDF資料
PDF描述
DS2152L DATACOM, FRAMER, PQFP100
DS2153Q DATACOM, FRAMER, PQCC44
DS2154L DATACOM, FRAMER, PQFP100
DS21554L DATACOM, PCM TRANSCEIVER, PQFP100
DS21554LN DATACOM, PCM TRANSCEIVER, PQFP100
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