參數(shù)資料
型號： XRT86VL38IB
廠商： Exar Corporation
文件頁數(shù)： 110/160頁
文件大小： 0K
描述： IC LIU/FRAMER T1/E1/J1 8CH 420BG
標(biāo)準(zhǔn)包裝： 40
控制器類型： T1/E1/J1 調(diào)幀器，LIU
電源電壓： 3.3V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 420-BBGA
供應(yīng)商設(shè)備封裝： 420-PBGA
包裝： 托盤
XRT86VL38
48
REV. V1.2.0
OCTAL T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
1-0
TxIMODE[1:0]
R/W
00
(Continued)
Transmit backplane interface signals include:
TxSERCLK is an input clock at 1.544MHz
TxMSYNC will become the highspeed input clock at 12.352 or 16.384MHz to
input high-speed multiplexed data on the back-plane interface
TxSYNC can be configured as a single frame or super-frame boundary,
depending on the setting of bit 5 of register 0xn109
TxSER is the high-speed data input
NOTE: In high speed mode, transmit data is sampled on the rising edge of the
12Mhz or 16MHz clock edge.
NOTE: Multiplexed data on Channel 4 is de-multiplexed into the LIU outputs at
channel 4 through 7.
TABLE 30: TRANSMIT INTERFACE CONTROL REGISTER (TICR)
HEX ADDRESS:0Xn120
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
TABLE 32: TRANSMIT INTERFACE SPEED WHEN MULTIPLEXED MODE IS
ENABLED (TXMUXEN = 1)
TXIMODE[1:0]
TRANSMIT INTERFACE SPEED
00
Bit-Multiplexed Mode at 12.352MHz is Enabled:
Transmit backplane interface is taking four-channel mul-
tiplexed data at a rate of 12.352Mbit/s from channel 0
and bit-demultiplexing the serial data into 4 channels
and output to the line on channels 0 through 3. The
TxSYNC signal pulses “High” during the framing bit of
each DS-1 frame.
01
Bit-Multiplexed Mode at 16.384MHz is Enabled:
Transmit backplane interface is taking four-channel mul-
tiplexed data at a rate of 16.384Mbit/s from channel 0
and bit-demultiplexing the serial data into 4 channels
and output to the line on channels 0 through 3. The
TxSYNC signal pulses “High” during the framing bit of
each DS-1 frame.
10
HMVIP High-Speed Multiplexed Mode Enabled:
Transmit backplane interface is taking four-channel mul-
tiplexed data at a rate of 16.384Mbit/s from channel 0
and byte-demultiplexing the serial data into 4 channels
and output on channels 0 through 3. The TxSYNC signal
pulses “High” during the last two bits of the previous DS-
1 frame and the first two bits of the current DS-1 frame.
11
H.100 High-Speed Multiplexed Mode Enabled:
Transmit backplane interface is taking four-channel mul-
tiplexed data at a rate of 16.384Mbit/s from channel 0
and byte-demultiplexing the serial data into 4 channels
and output to the line on channels 0 through 3. The
TxSYNC signal pulses “High” during the last bit of the
previous DS-1 frame and the first bit of the current DS-1
frame.
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