REV. 1.0.0 4 PIN DESCRIPTIONS (BY FUNCTION
參數(shù)資料
型號: XRT73L02MIVTR-F
廠商: Exar Corporation
文件頁數(shù): 43/46頁
文件大?。?/td> 0K
描述: IC LIU E3/DS3/STS-1 2CH 100TQFP
標準包裝: 1,000
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 2/2
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應商設備封裝: 100-TQFP(14x14)
包裝: 帶卷 (TR)
XRT73L02M
xr
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.0
4
PIN DESCRIPTIONS (BY FUNCTION)
TRANSMIT INTERFACE
PIN #SIGNAL NAME
TYPE
DESCRIPTION
81
TxON
I
Transmitter ON Input :
This pin is active only when the corresponding TxON bit is set.
Table below shows the status of the transmitter based on theTxON bit and TxON
pin settings.
NOTES:
1. This pin will be active and can control the TTIP and TRING outputs only
when the TxON_n bits in the channel register are set .
2. When Transmitters are turned off the TTIP and TRING outputs are Tri-
stated.
3. This pin is internally pulled up.
78
48
TxCLK_0
TxCLK_1
I
Transmit Clock Input for TPOS and TNEG - Channel 0:
Transmit Clock Input for TPOS and TNEG - Channel 1:
The frequency accuracy of this input clock must be of nominal bit rate ± 20 ppm.
The duty cycle can be 30%-70%.
By default, input data is sampled on the falling edge of TxCLK when input data
is changing on the rising edge of TxCLK..
76
50
TNEG_0
TNEG_1
I
Transmit Negative Data Input - Channel 0:
Transmit Negative Data Input - Channel 1:
In Dual-rail mode, these pins are sampled on the falling or rising edge of
TxCLK_n
NOTE: These input pins are ignored and must be grounded if the Transmitter
Section is configured to accept Single-Rail data from the Terminal Equipment.
77
49
TPOS_0
TPOS_1
I
Transmit Positive Data Input - Channel 0:
Transmit Positive Data Input - Channel 1:
By default sampled on the falling edge of TxCLK
70
56
TTIP_0
TTIP_1
O
Transmit TTIP Output - Channel 0:
Transmit TTIP Output - Channel 1:
These pins along with TRING transmit bipolar signals to the line using a 1:1
transformer.
71
55
TRING_0
TRING_1
O
Transmit Ring Output - Channel 0:
Transmit Ring Output - Channel 1:
These pins along with TTIP transmit bipolar signals to the line using a 1:1 trans-
former.
Bit
0
Transmitter Status
OFF
Pin
0
1
OFF
ON
0
1
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