參數(shù)資料
型號: IDT821034
廠商: Integrated Device Technology, Inc.
元件分類: Codec
英文描述: QUAD PCM CODEC WITH PROGRAMMABLE GAIN
中文描述: 四的PCM編解碼器,具有可編程增益
文件頁數(shù): 30/52頁
文件大?。?/td> 609K
代理商: IDT821034
30
INDUSTRIAL TEMPERATURE RANGES
IDT82V2058 OCTAL E1 SHORT HAUL LINE INTERFACE UNIT
Symbol
Position
Default
Description
CODE[7:0]
CODE.7-0
00 H
Line Code Selection.
CODEn selects AMI or B8ZS/HDB3 encoder/decoder on per-channel basis with SINGn = 1 and
CRSn = 0.
0 = B8ZS/HDB3 encoder/decoder enabled. (Default)
1 = AMI encoder/decoder enabled.
Symbol
Position
Default
Description
CRS[7:0]
CRS.7-0
00 H
0 = Clock recovery enabled. (Default)
1 = Clock recovery disabled.
Symbol
Position
Default
Description
RPDN[7:0]
RPDN.7-0
00 H
0 = Normal operation. (Default)
1 = Power down in receiver n.
Expanded Register Description
e-SING
: Single Rail Mode Setting Register (R/W, Expanded Address = 00 Hex)
e-CODE
: Encoder/Decoder Selection Register
(R/W, Expanded Address = 01 Hex)
e-CRS
: Clock Recovery Enable/Disable Selection Register
(R/W, Expanded Address = 02 Hex)
e-RPDN
: Receiver n Powerdown Register
(R/W, Expanded Address = 03 Hex)
Symbol
Position
Default
Description
TPDN[7:0]
TPDN.7-0
00 H
0 = Normal operation. (Default)
1 = Power down in Transmitter n (the corresponding transmit output driver enters a low power high
impedance mode).
Note that transmitter n is power down when either pin TCLKn is pulled to low or TPDNn is set to 1.
Symbol
Position
Default
Description
CZER[7:0]
CZER.7-0
00 H
0 = Excessive zero detect disabled. (Default)
1 = Excessive zero detect enabled for B8ZS/HDB3 decoder in single rail mode.
Symbol
Position
Default
Description
CODV[7:0]
CODV.7-0
00 H
0 = Code Violation Detect enable for HDB3 decoder in single rail mode. (Default)
1 = Code Violation Detect disable.
e-TPDN
: Transmitter n Powerdown Register
(R/W, Expanded Address = 04 Hex)
e-CZER
: Consecutive Zero Detect Enable/Disable Register
(R/W, Expanded Address = 05 Hex)
e-CODV
: Code Violation Detect Enable/Disable Register
(R/W, Expanded Address = 06 Hex)
Symbol
Position
Default
Description
SING[7:0]
SING.7-0
00 H
0 = Pin TDNn selects single rail mode or dual rail mode. (Default)
1 = Single rail mode enabled (with CRSn=0)
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