参数资料
型号: XRT75L02DIV-F
厂商: Exar Corporation
文件页数: 5/50页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 2CH 100TQFP
标准包装: 90
类型: 线路接口装置(LIU)
驱动器/接收器数: 2/2
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 托盘
XRT75L02
xr
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
REV. 1.0.3
11
MODE SELECT
PIN #
SIGNAL NAME
TYPE
DESCRIPTION
2
24
E3_0
E3_1
I
E3 Mode Select Input
A "High" on this pin configures in E3 mode.
A "Low" on this pin configures in either STS-1 or DS3 mode depending on the
settings on pins 3 and 23..
NOTES:
1.
This pin is internally pulled down
2.
This pin is ignored if configured to operate in HOST mode.
3
23
STS1/DS3 _0
STS1/DS3 _1
I
STS-1/DS3 Select Input
A “High” on these pins configures in STS-1 mode.
A “Low” on these pins configures in DS3 mode.
These pins are ignored if the E3_n pins are set to “High”.
NOTES:
1.
This pin is internally pulled down
2.
This pin is ignored if configured to operate in HOST mode.
26
HOST/HW
I
Host/Hardware Mode:
Tie this pin “High” to configure in Host mode and “Low” for Hardware mode.
100
SR/DR
I
Single-Rail/Dual-Rail Select:
Setting this “High” configures both the Transmitter and Receiver to operate in
Single-rail mode and also enables the B3ZS/HDB3 Encoder and Decoder. In
Single-rail mode, TNEG_n pin should be grounded.
Setting this “Low” configures both the Transmitter and Receiver to operate in
Dual-rail mode and disables the B3ZS/HDB3 Encoder and Decoder.
NOTE: This pin is internally pulled down.
MICROPROCESSOR SERIAL INTERFACE - (HOST MODE)
PIN #
SIGNAL NAME
TYPE
DESCRIPTION
29
CS
RxCLKINV
I
Microprocessor Serial Interface - Chip Select
Tie this “Low” to enable the communication with the Microprocessor Serial Inter-
face.
NOTE: If configured in Hardware Mode, this pin functions as RxClkINV.
30
SCLK
TxCLKINV
I
Serial Interface Clock Input
The data on the SDI pin is sampled on the rising edge of this signal. Addition-
ally, during Read operations the Microprocessor Serial Interface updates the
SDO output on the falling edge of this signal.
NOTE: If configured in Hardware Mode, this pin functions as TxClkINV.
31
SDI
RxON
I
Serial Data Input:
Data is serially input through this pin.
The input data is sampled on the rising edge of the SClk. .
NOTES:
1.
This pin is internally pulled down
2.
If configured in Hardware Mode, this pin functions as RxON.
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