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參數(shù)資料
| 型號： | PEF2466-H |
| 元件分類： | Codec |
| 英文描述： | A-Law/u-Law CODEC |
| 中文描述： | A-Law/u-Law編解碼器 |
| 文件頁數(shù)： | 48/73頁 |
| 文件大?。?/td> | 1618K |
| 代理商： | PEF2466-H |
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PEB 2466
PEF 2466
Programming Overview
Hardware Reference Manual
39
2001-02-20
6
Programming Overview
The transmission characteristics and interfaces of the PEB 2466 can be adapted to
various environments. Configuring the functional blocks and programming the digital
filter behavior is accomplished by loading values to the Configuration Registers and the
Coefficient RAM (CRAM). Software utilities are available to determine the appropriate
register and CRAM values (see
Programmer’s Reference Manual
).
6.1
Programming Overview
The SICOFI
4-μC has eight Common Configuration Registers (XR0 to XR7). Settings in
these registers affect all four channels.
Each of the four channels has six Channel-Specific Configuration Registers (CR0 to
CR5). Settings in these registers affect only the designated channel.
The filters of each channel are individually programmable through channel-specific
coefficients in CRAM. There are four global sets of TH Filter coefficients that can be
assigned to any channel.
6.1.1
Register Model
Channel-specific and Common Configuration Registers and coefficients are shown in
Table 27
.
Table 27
Register Model
Channel 1
Channel 2
XR0 to XR7 (8 bytes)
CR0 to CR5
(6 bytes)
IM,
FRR, FRX,
AR, AX,
TG1, TG2
Coefficients
(48 bytes)
TH Coefficient Set 1 (24 bytes)
TH Coefficient Set 2 (24 bytes)
TH Coefficient Set 3 (24 bytes)
TH Coefficient Set 4 (24 bytes)
Channel 3
Channel 4
Type
common
CR0 to CR5
(6 bytes)
IM,
FRR, FRX,
AR, AX,
TG1, TG2
Coefficients
(48 bytes)
CR0 to CR5
(6 bytes)
IM,
FRR, FRX,
AR, AX,
TG1, TG2
Coefficients
(48 bytes)
CR0 to CR5
(6 bytes)
IM,
FRR, FRX,
AR, AX,
TG1, TG2
Coefficients
(48 bytes)
channel-specific
one coefficient set
per channel
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PEF2466H V2.2 | 制造商:Lantiq 功能描述:Codec and Filter 64-Pin MQFP |
| PEF2466HV2.2 | 功能描述:接口—CODEC POTS RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| PEF2466HV2.2/TR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| PEF24901 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ISDN LINE INTERFACE|BASIC|CMOS|QFP|64PIN|PLASTIC |
| PEF24901H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:?Quad ISDN Echocancellation Circuit Digital Front-End for 4B3T Line Code? |
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