參數(shù)資料
型號: XRT83SL30IV-F
廠商: Exar Corporation
文件頁數(shù): 49/76頁
文件大?。?/td> 0K
描述: IC LIU T1/E1/J1 SGL 64TQFP
標準包裝: 160
類型: 線路接口裝置(LIU)
驅動器/接收器數(shù): 1/1
規(guī)程: T1,E1,J1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應商設備封裝: 64-TQFP(10x10)
包裝: 托盤
XRT83SL30
50
REV. 1.0.1
SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
D4
RXRES1
Receive External Resistor Control pin 1:
In Host mode, this bit
along with the RXRES0 bit selects the value of the external
Receive fixed resistor according to the following table:
R/W
0
D3
RXRES0
Receive External Resistor Control bit 0:
For function of this bit
see description of D4 the RXRES1 bit.
R/W
0
D2
INSBPV
Insert Bipolar Violation:
When this bit transitions from "0" to
"1", a bipolar violation is inserted in the transmitted data stream.
Bipolar violation can be inserted either in the QRSS pattern, or
input data when operating in single-rail mode. The state of this bit
is sampled on the rising edge of TCLK.
NOTE: To ensure the insertion of a bipolar violation, a "0" should
be written in this bit location before writing a "1".
R/W
0
D1
Reserved
R/W
0
D0
TRATIO
Transformer Ratio Select:
In the external termination mode,
writing a “1” to this bit selects a transformer ratio of 1:2 for the
transmitter. Writing a “0” sets the transmitter transformer ratio to
1: 2.45. In the internal termination mode the transmitter trans-
former ratio is permanently set to 1:2 and the state of this bit has
no effect.
R/W
0
TABLE 21: MICROPROCESSOR REGISTER #3 BIT DESCRIPTION
Required Fixed External
RX Resistor
No External Fixed Resistor
60
52.5
37.5
RXRES0
0
1
0
1
RXRES1
0
1
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