參數(shù)資料
型號(hào): LXP730LE
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁(yè)數(shù): 56/70頁(yè)
文件大?。?/td> 1007K
代理商: LXP730LE
LXP730
Multi-Rate DSL Framer
56
Datasheet
5.6
Slip Buffer Lower Threshold Register
Address: 18
Abbreviation: SLP_THDL
Read/Write
Table 47. FIFO/Miscellaneous Control Register
Bit
Name
Default
Description
<7:6>
SAPCLKDIV
00b
Async serial port clock select, 0 = MCLK/2, 1 = MCLK/4, 2 = MCLK/
8,
3 = MCLK/16.
5
TX8KSSEL
0
Transmit 8 KHz reference sync select control. 0 = TX reference
sync selected from PCM interface, 1 = TX reference sync selected
from codec interface.
4
REMOTE_LB
0
Remote Loopback select. Controls the scrambling polynomial for
remote loopback. 0 = normal operation, 1 = remote loopback.
3
PDOE_SEL
0
PCM data output enable select. Default value of 0 causes pin to be
FRMSYNC12 for codec operation. Set to 1 to create the output
enable signal PDOE for PCM usage. PDOE goes high for
programmed PCM time slots in the Nx registers.
2
DXFIFORXT
0
DX FIFO reset control. The DX elastic store FIFO is reset on a 0 to a
1 transition. The 0 or 1 state must be active for a minimum of 3
BITCLK periods.
1
MXFIFORXT
0
MX FIFO reset control. The MX elastic store FIFO is reset on a 0 to
a 1 transition. The 0 or 1 state must be active for a minimum of 3
BITCLK periods.
0
FIX2BSTUF
0
Fixed 2-bit stuffing mode enable; 0 = disable, 1 = enable.
Table 48. Slip Buffer Lower Threshold
Bit
Name
Default
Description
<7>
SLP_L_EN
0
0 = Use default, 1 = Enable and use Bits <6:0> for the Lower
Threshold. Must be set when Stopped (Run/Stop = 0).
<6:0>
SLP_LWR
0
MPC Mode: Lower Threshold of PCM Receive Slip Buffer (Default
31-N). HWC Mode: Not Used.
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