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): 39/128頁
文件大小: 2328K
代理商: TECO3264
Data Sheet
August 1999
TECO3264 32-Channel Echo Canceller
39
Lucent Technologies Inc.
Parameters
(continued)
PCM Transmission Parameters
(continued)
Table 14. Transmission Parameters
(continued)
* See note in Bit Offset Operation section on page 22.
Symbol
Description
Memory Map
Starting Address (Hex)
EXBOFF[3:0]
E transmit bit offset. These 4 bits provide a fixed offset, relative to the
frame-synchronization pulse (SYNC), for the first bit transmitted in
each time slot. The offset is the number of data periods by which
transmission of the first bit on [E] is delayed. All subsequent
transmissions of the first bit follow this offset. One data period (1 bit)
equals 4 cycles of CK8M for CMS = 1, and 2 cycles of CK8M for
CMS = 0.
E output parity generation options.
EPY0 = 1 enable parity generation; 0 = disable.
EPY1 = 1 even parity; 0 = odd parity.
EPY2 = 1 bit 8; 0 = bit 15.
E transmit clock edge.
0 = transmit on falling edge of CK8M*.
1 = transmit on rising edge of CK8M*.
Bit rate select. 1 = 2.048 Mbits/s data rate; 0 = 4.096 Mbits/s data rate.
0x3A
EPY[2:0]
0x3B
EXCE
0x3B
CMS
0x2A
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