参数资料
型号: DS2154L
厂商: Maxim Integrated Products
文件页数: 60/87页
文件大小: 0K
描述: IC TXRX E1 1CHIP 5V ENH 100-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
产品变化通告: Product Discontinuation 20/Feb/2012
标准包装: 90
类型: 收发器
驱动器/接收器数: 1/1
规程: E1
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 管件
产品目录页面: 1429 (CN2011-ZH PDF)
DS2154
63 of 87
13 LINE INTERFACE FUNCTION
The line interface function in the DS2152 contains three sections: the receiver, which handles clock and
data recovery; the transmitter, which waveshapes and drives the E1 line; and the jitter attenuator. Each of
these three sections is controlled by the Line Interface Control Register (LICR), which is described
below.
LICR: LINE INTERFACE CONTROL REGISTER (Address = 18 Hex)
(MSB)
(LSB)
L2
L1
L0
EGL
JAS
JABDS
DJA
TPD
LICR
SYMBOL
POSITION
NAME AND DESCRIPTION
L2
LICR.7
Line Build-Out Select Bit 2. Sets the transmitter build out; see
L1
LICR.6
Line Build-Out Select Bit 1. Sets the transmitter build out; see
L0
LICR.5
Line Build-Out Select Bit 0. Sets the transmitter build out; see
EGL
LICR.4
Receive Equalizer Gain Limit.
0 = -12dB
1 = -43dB
JAS
LICR.3
Jitter Attenuator Select.
0 = place the jitter attenuator on the receive side
1 = place the jitter attenuator on the transmit side
JABDS
LICR.2
Jitter Attenuator Buffer Depth Select
0 = 128 bits
1 = 32 bits (use for delay sensitive applications)
DJA
LICR.1
Disable Jitter Attenuator.
0 = jitter attenuator enabled
1 = jitter attenuator disabled
TPD
LICR.0
Transmit Power-Down.
0 = normal transmitter operation
1 = powers down the transmitter and tri-states the TTIP and
TRING pins
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