參數(shù)資料
型號(hào): PEF24902H
英文描述: ?Quad ISDN Echocancellation Circuit Analog Front End - 2B1Q/4B3T Code?
中文描述: ?四整體數(shù)位服務(wù)網(wǎng)路Echocancellation電路模擬前端- 2B1Q/4B3T代碼?
文件頁(yè)數(shù): 67/73頁(yè)
文件大?。?/td> 1618K
代理商: PEF24902H
PEB 2466
PEF 2466
Hardware Reference Manual
58
2001-02-20
Index
Symbols
μ-Law . . . . . . . . . . . . . . .2, 11, 14, 19, 30
μ-Law mode . . . . . . . . . . . . . . . . . .15, 22
Numerics
0 dBm0-Levels . . . . . . . . . . . . . . . . . . .14
2-wire to 4-wire conversion. . . . . . . . . .10
8-bit time slots. . . . . . . . . . . . . . . . . . . . .2
A
A/μ-Law compression/expansion . . . . . .3
A/D and D/A converters . . . . . .11, 18, 26
A/D converters . . . . . . . . . . . . . . . .14, 23
Absolute gain . . . . . . . . . . . . . . . . . . . .17
Absolute group delay . . . . . . . . . . . . . .18
Absolute maximum ratings . . . . . . . . . .46
AC transmission characteristics . . . . . .27
Accuracy of digital filters. . . . . . . . .10, 11
ADC . . . . . . . . . . . . . . . . . . . . . . . . .2, 11
ADC and DAC. . . . . . . . . . . . . . . . . . . . .3
A-Law . . . . . . . . . . . . . . .2, 11, 14, 19, 30
A-Law mode . . . . . . . . . . . . . . . . . . . . .15
Ambient temperature . . . . . . . . . . . . . .46
Analog ground pins. . . . . . . . . . . .8, 9, 29
Analog I/O. . . . . . . . . . . . . . . . . . . . . . . .2
Analog input . . . . . . . . . . . . . . . . . . . . .13
Analog input/output pins. . . . . . . . . . . .29
Analog Interface . . . . . . .3, 14, 27, 28, 48
Analog Interface pins . . . . . . . . . . . . . .29
Analog loop programming. . . . . . . . . . .53
Analog loops. . . . . . . . . . . . . . . . . . .3, 53
Analog output . . . . . . . . . . . . . . . . . . . .13
Analog supply. . . . . . . . . . . . . . . . . . . .45
Analog voice input/output pins . . . . . .8, 9
Analog voltage levels . . . . . . . . . . . . . .14
Application hints . . . . . . . . . . . . . . . . . .43
Application Notes . . . . . . . . . . . . . . . . . .1
AR. . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Architecture . . . . . . . . . . . . . . . . . . . . . . 2
Attenuation . . . . . . . . . . . . . . . . . . . . . 18
AX . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
B
Balancing filter. . . . . . . . . . . . . . . . . . . 26
Bi-directional signaling pins. . . . . 6, 8, 34
Blocking capacitors . . . . . . . . . . . . . . . 44
Board design . . . . . . . . . . . . . . . . . . . . 44
Byte-by-byte transfer. . . . . . . . . . . . . . 37
C
Ceramic capacitors . . . . . . . . . . . . . . . 44
Channel operating ranges. . . . . . . . . . 47
Channel-pair . . . . . . . . . . . . . . . . . . . . 34
Channels . . . . . . . . . . . . . . . 2, 22, 29, 39
Channel-specific coefficients. . . . . . . . 41
Channel-specific registers. 11, 12, 39, 40
Chip Select . . . . . . . . . . . . . . . . 6, 35, 36
Chopper Clock. . . . . . . . . . . . . . . 6, 8, 34
Clock . . . . . . . . . . . . . . . . . 11, 32, 34, 35
Clock output signals . . . . . . . . . . . . . . . 2
Clock programming . . . . . . . . . . . . . . . 35
C-message . . . . . . . . . . . . . . . . . . . . . 19
Codec filter . . . . . . . . . . . . . . . . . . . . . . 2
Coefficient calculation &
configuration software . . . . . . . . . . . . . . 3
Coefficient Operation (COP) command. . . 42
Coefficient operation commands. . . . . 41
Coefficient RAM. . . . . . 11, 35, 36, 39, 41
Command sequences . . . . . . . . . . 37, 42
Command type . . . . . . . . . . . . . . . . . . 42
Commands . . . . . . . . . . . . . . . . . . . . . 36
Common configuration registers . . 11, 39, 40
Compression . . . . . . . . . . . . . . . . . . . . . 3
Compressor. . . . . . . . . . . . . . . . . . . . . 11
Configuration of interfaces. . . . . . . . . . 27
Configuration registers . . . . . . . . . 36, 39
Control Data input/output pins. . . . . . . 36
Conversion utilities . . . . . . . . . . . . . . . 43
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