參數(shù)資料
型號: TECO3264
廠商: Lineage Power
英文描述: 32-Channel Echo Canceller(32通道回波清除器)
中文描述: 32通道回聲消除器(32通道回波清除器)
文件頁數(shù): 29/128頁
文件大小: 2328K
代理商: TECO3264
Data Sheet
August 1999
TECO3264 32-Channel Echo Canceller
29
Lucent Technologies Inc.
External Control Connection
(continued)
PCM Input/Output (I/O) Timing and Register Control
(continued)
Table 9. Transmission Parameter Settings and Description for Waveforms in Figure 15, PCM Input/Output
Transmission Parameter Settings
* mod = modulo operation.
The output time-slot number is programmable using XDLY[4:0] for CPCM and YDLY[4:0] for EPCM.
The values of [X, Y]RBOFF and [C, E]XBOFF are read directly from Table 3, Relationship Between CET and CER,
When CMS = 1, on page 24 and Table 4, Relationship Between CET and CER, When CMS = 0, on page 24 for the
conditions given by FE, [C, E]XCE, and [X, Y]RCE.
Note
1
2
Parameter
FE
EET
Parameter Setting
1
1
Description
SYNC is sampled at the rising edge of CK8M.
Enable edge transfer is set to allow SYNC to be shifted
by one edge of CK8M.
Receive data is sampled at the falling edge of CK4M.
Six edges of CK8M.
Transmit data is sent at the rising edge of CK4M.
Zero edge of CK8M.
N is any value in the set [0, 31]
.
Receive bit offset.
Transmit bit offset.
[XDLY, YDLY] delays.
Bit rate select (4 cycles of CK8M).
3
4
5
6
7
[X, Y]RCE
CER
[C, E]XCE
CET
TS(N mod* 32)
0
6
1
0
TS(N = 0)
8
9
10
11
[X, Y]RBOFF
[C, E]XBOFF
[XDLY], [YDLY]
CMS
0x01
0x0F
0x19, 0x15
1 (2.048 Mbits/s)
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