参数资料
型号: XRT86VL30IV-F
厂商: Exar Corporation
文件页数: 128/175页
文件大小: 0K
描述: IC FRAMR/LIU T1/E1/J1 QD 128LQFP
标准包装: 72
控制器类型: T1/E1/J1 调帧器,LIU
电源电压: 3.3V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-LQFP(14x20)
包装: 托盘
其它名称: 1016-1485
XRT86VL30IV-F-ND
XRT86VL30
51
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
REV. 1.0.1
1-0
RxIMODE[1:0]
R/W
00
(Continued):(
Receive backplane interface signals include:
RxSERCLK is an input clock at either 12.352MHz or16.384MHz depending on
the selected multiplexed mode.
RxSYNC is an input signal which indicates the multiplexed frame boundary.
The length of RxSYNC depends on the multiplexed mode selected.
RxSER is the high-speed data output
NOTE: In high speed mode, receive data is clocked out on the rising edge of
the 12Mhz or 16MHz clock edge.
TABLE 33: RECEIVE INTERFACE CONTROL REGISTER (RICR)
HEX ADDRESS: 0X0122
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
TABLE 35: RECEIVE INTERFACE SPEED WHEN MULTIPLEXED MODE IS
ENABLED (TXMUXEN = 1)
TXIMODE[1:0]
TRANSMIT INTERFACE SPEED
00
Bit-Multiplexed Mode at 12.352MHz is Enabled:
Receive backplane interface is taking data from the four
LIU input channels 0 through 3 and bit-multiplexing the
four-channel data into one 12.352MHz serial stream and
output on channel 0 of the Receive Serial Output
(RxSER). The RxSYNC signal pulses “High” during the
framing bit of each DS-1 frame.
01
Bit-Multiplexed Mode at 16.384MHz is Enabled:
Receive backplane interface is taking data from the four
LIU input channels 0 through 3 and bit-multiplexing the
four-channel data into one 16.384MHz serial stream and
output to channel 0 of the Receive Serial Output
(RxSER). The RxSYNC signal pulses “High” during the
framing bit of each T1 frame.
10
HMVIP High-Speed Multiplexed Mode Enabled:
Receive backplane interface is taking data from the four
LIU input channels 0 through 3 and byte-multiplexing the
four-channel data into one 16.384MHz serial stream and
output to channel 0 of the Receive Serial Output
(RxSER). The RxSYNC signal pulses “High” during the
last two bits of the previous T1 frame and the first two
bits of the current T1 frame.
11
H.100 High-Speed Multiplexed Mode Enabled:
Receive backplane interface is taking data from the four
LIU input channels 0 through 3 and byte-multiplexing the
four-channel data into one 16.384MHz serial stream and
output to channel 0 of the Receive Serial Output
(RxSER). The RxSYNC signal pulses “High” during the
last bit of the previous T1 frame and the first bit of the
current T1 frame.
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