参数资料
型号: XRT86VL30IV80-F
厂商: Exar Corporation
文件页数: 109/175页
文件大小: 0K
描述: IC FRAMR/LIU T1/E1/J1 QD 80LQFP
标准包装: 90
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: 80-LQFP
供应商设备封装: 80-LQFP(12x12)
包装: 托盘
其它名称: 1016-1486
XRT86VL30IV80-F-ND
XRT86VL30
34
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
TABLE 20: SLIP BUFFER CONTROL REGISTER (SBCR)
HEX ADDRESS: 0X0116
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7
TxSB_ISFIFO
R/W
0
Transmit Slip Buffer Mode
This bit permits the user to configure the Transmit Slip Buffer to function as
either “Slip-Buffer” Mode, or as a “FIFO”, as depicted below.
0 - Configures the Transmit Slip Buffer to function as a “Slip-Buffer”.
1 - Configures the Transmit Slip Buffer to function as a “FIFO”.
NOTE: Transmit slip buffer is only used in high-speed or multiplexed mode
where TxSERCLKn must be configured as inputs only. Users must
make sure that the “Transmit Direction” timing (i.e. TxMSYNC) and
the TxSerClk input clock signal are synchronous to prevent any
transmit slips from occuring.
NOTE: The data latency is dictated by FIFO Latency in the FIFO Latency
Register (register 0x0117).
6-5
Reserved
-
Reserved
4
SB_FORCESF
R/W
0
Force Signaling Freeze
This bit permits the user to freeze any signaling update on the RxSIGn output
pin as well as the Receive Signaling Array Register -RSAR (0x0500-0x051F)
until this bit is cleared.
0 = Signaling on RxSIG and RSAR is updated immediately.
1 = Signaling on RxSIG and RSAR is not updated until this bit is set to ‘0’.
3
SB_SFENB
R/W
0
Signal Freeze Enable Upon Buffer Slips
This bit enables signaling freeze for one multiframe after the receive buffer
slips.
If signaling freeze is enabled, then the “Receive Channel” will freeze all sig-
naling updates on RxSIG pin and RSAR (0x0500-0x051F) for at least “one-
multiframe” period, after a “slip-event” has been detected within the “Receive
Slip Buffer”.
0 = Disables signaling freeze for one multi-frame after receive buffer slips.
1 = Enables signaling freeze for one multi-frame after receive buffer slips.
2
SB_SDIR
R/W
1
Slip Buffer (RxSync) Direction Select
This bit permits user to select the direction of the receive frame boundary
(RxSYNC) signal if the receive buffer is enabled. (i.e. SB_ENB[1:0] = 01 or
10). If slip buffer is bypassed, RxSYNC is always an output pin.
0 = Selects the RxSync signal as an output
1 = Selects the RxSync signal as an input
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