参数资料
型号: XRT75R06IB-F
厂商: Exar Corporation
文件页数: 54/63页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 6CH 217BGA
标准包装: 126
类型: 线路接口装置(LIU)
驱动器/接收器数: 6/6
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: 217-BBGA
供应商设备封装: 217-BGA(23x23)
包装: 托盘
XRT75R06
á
REV. 1.0.0
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
55
0x06 (ch 0)
0x16 (ch 1)
0x26 (ch 2)
0x36 (ch 3)
0x46 (ch 4)
0x56 (ch 5)
R/W
Block Con-
trol
D0
SR/DR_n
Setting this bit configures the Receiver and Trans-
mitter in Single-Rail (NRZ) mode.
NOTE: See section 4.0 for detailed description.
0
D1
STS-1/
DS3_n
Setting this bit configures the channel into STS-1
mode.
NOTE: This bit field is ignored if the channel is con-
figured to operate in E3 mode.
0
D2
E3_n
Setting this bit configures the channel in E3 mode.
0
D3
LLB_n
Setting this bit configures the channel in Local Loop-
back mode.
0
D4
RLB_n
This bit along with LLB_n determine the diagnostic
mode as shown in the table below.
0
D5
PRBSEN_
n
Setting this bit enables the PRBS generator/detec-
tor. When in E3 mode, an unframed 223-1 pattern is
used. For DS3 and STS-1, unframed 215-1 pattern is
used. This mode of operation will use TCLK for tim-
ing. One should insure that a stable frequency is
provided. Looping this signal back to its own receive
channel and using RCLK to generate TCLK will
cause an unstable condition and should be avoided.
0
D6
CLKOUTE
N_n
Set this bit to enable the CLKOUTs on a per channel
basis. The frequency of the output clock is depen-
dent on the configuration of the channels, either E3,
DS3 or STS-1.
0
D7
Reserved
TABLE 18: REGISTER MAP DESCRIPTION - CHANNEL N
ADDRESS
(HEX)
TYPE
REGISTER
NAME
BIT#
SYMBOL
DESCRIPTION
DEFAULT
VALUE
RLB_n
0
Loopback Mode
Normal Operation
Analog Local
LLB_n
0
1
Remote
Digital
0
1
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