參數(shù)資料
型號(hào): DS2152
英文描述: Enhanced T1 Single-Chip Transceiver
中文描述: 增強(qiáng)型T1單芯片收發(fā)器
文件頁(yè)數(shù): 69/94頁(yè)
文件大小: 1003K
代理商: DS2152
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
CH16
CH15
CH14
CH13
CH24
CH23
CH22
CH21
CH4
CH12
CH20
CH3
CH11
CH19
CH2
CH10
CH18
CH1
CH9
CH17
TTR1 (39)
TTR2 (3A)
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
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