参数资料
型号: XRT83L34IV
厂商: Exar Corporation
文件页数: 83/99页
文件大小: 0K
描述: IC LIU T1/E1/J1 QUAD 128TQFP
标准包装: 72
类型: 线路接口装置(LIU)
驱动器/接收器数: 4/4
规程: T1,E1,J1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-TQFP(14x20)
包装: 托盘
XRT83L34
xr
REV. 1.0.1
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
81
TABLE 37: MICROPROCESSOR REGISTER #65, BIT DESCRIPTION
REGISTER ADDRESS
1000001
NAME
FUNCTION
REGISTER
TYPE
RESET
VALUE
BIT #
D7
E1arben
E1 Arbitrary Pulse Enable
This bit is used to enable the Arbitrary Pulse Generators for
shaping the transmit pulse shape when E1 mode is selected.
If this bit is set to "1", all 8 channels will be configured for the
Arbitrary Mode. However, each channel is individually con-
trolled by programming the channel registers 0xn8 through
0xnF, where n is the number of the channel.
"0" = Disabled (Normal E1 Pulse Shape ITU G.703)
"1" = Arbitrary Pulse Enabled
R/W
0
D6
CLKSEL2
Clock Select Inputs for Master Clock Synthesizer bit 2:
In Host mode, CLKSEL[2:0] are input signals to a programma-
ble frequency synthesizer that can be used to generate a mas-
ter clock from an external accurate clock source according to
the following table;
In Hardware mode, the state of these signals are ignored and
the master frequency PLL is controlled by the corresponding
Hardware pins.
R/W
0
D5
CLKSEL1
Clock Select inputs for Master Clock Synthesizer bit 1:
See description of bit D6 for function of this bit.
R/W
0
D4
CLKSEL0
Clock Select inputs for Master Clock Synthesizer bit 0:
See description of bit D6 for function of this bit.
R/W
0
D3
MCLKRATE
Master clock Rate Select: The state of this bit programs the
Master Clock Synthesizer to generate the T1/J1 or E1 clock.
The Master Clock Synthesizer will generate the E1 clock when
MCLKRATE = “0”, and the T1/J1 clock when MCLKRATE =
“1”.
R/W
0
2048
1544
MCLKE1
kHz
8
16
56
8
56
64
128
256
128
2048
1544
M CLKT1
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
M CLKRATE
1
0
1
0
1
0
1
0
1
0
1
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