参数资料
型号: XRT83L30IV-F
厂商: Exar Corporation
文件页数: 5/78页
文件大小: 0K
描述: IC LIU LH/SH T1/E1 SGL 64TQFP
标准包装: 160
类型: 线路接口装置(LIU)
驱动器/接收器数: 1/1
规程: T1,E1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(10x10)
包装: 托盘
其它名称: 1016-1633
XRT83L30IV-F-ND
XRT83L30
10
REV. 1.0.1
SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
MCLKT1
14
I
T1 Master Clock Input
This signal is an independent 1.544MHz clock for T1 systems with required
accuracy of better than ±50ppm and duty cycle of 40% to 60%. MCLKT1
input is used in the T1 mode.
NOTES:
1.
See MCLKE1 description for further explanation for the usage of
this pin.
2.
Internally pulled “Low” with a 50k
resistor.
MCLKOUT
16
O
Synthesized Master Clock Output
This signal is the output of the Master Clock Synthesizer PLL which is at T1
or E1 rate based on the mode of operation.
CLKSEL2
CLKSEL1
CLKSEL0
17
18
19
I
Clock Select input for Master Clock Synthesizer pin 2
Clock Select input for Master Clock Synthesizer pin 1
Clock Select input for Master Clock Synthesizer pin 0
In Hardware mode, CLKSEL[2:0] are input signals to a programmable fre-
quency synthesizer that can be used to generate a master clock from an
external accurate clock source according to the following table. The
MCLKRATE control signal is generated from the state of EQC[4:0] inputs.
See
Table 5 for description of Transmit Equalizer Control bits.
In Host mode, the state of these pins are ignored and the master frequency
PLL is controlled by the corresponding interface bits.
NOTE: Internally pulled "Low" with a 50k
resistor.
CLOCK SYNTHESIZER
SIGNAL NAME
PIN #TYPE
DESCRIPTION
2048
1544
MCLKE1
(kHz)
8
16
56
8
56
64
128
256
128
2048
1544
MCLKT1
(kHz)
1544
X
1544
X
2048
1544
2048
CLKOUT
(KHz)
1544
2048
1544
2048
1544
2048
1544
2048
1544
2048
1544
2048
1544
0
1
CLKSEL0
0
1
0
1
0
1
0
CLKSEL1
1
0
1
0
1
0
CLKSEL2
0
1
0
1
0
1
0
1544
2048
X
2048
1544
0
1
0
1
MCLKRATE
1
0
1
0
1
0
1
0
1
0
1
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