參數(shù)資料
型號(hào)： IDT82V2048SDAG
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 31/62頁
文件大?。?/td> 0K
描述： IC LIU T1/E1 8CH SHORT 144-TQFP
標(biāo)準(zhǔn)包裝： 5,000
類型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.13 V ~ 3.47 V
安裝類型： 表面貼裝
封裝/外殼： 144-LQFP
供應(yīng)商設(shè)備封裝： 144-TQFP（20x20）
包裝： 托盤
其它名稱： 82V2048SDAG
37
IDT82V2048S OCTAL T1/E1 SHORT HAUL LIU WITH SINGLE ENDED OPTION
INDUSTRIAL TEMPERATURE RANGES
3.2.2
EXPANDED REGISTER DESCRIPTION
e-SING: Single Rail Mode Setting Register (R/W, Expanded Address = 00H)
Symbol
Position
Default
Description
SING[7:0]
SING.7-0
00H
0 = Pin TDNn selects single rail mode or dual rail mode. (Default)
1 = Single rail mode enabled (with CRSn=0)
e-CODE: Encoder/Decoder Selection Register (R/W, Expanded Address = 01H)
Symbol
Position
Default
Description
CODE[7:0]
CODE.7-0
00H
CODEn selects AMI or B8ZS/HDB3 encoder/decoder on a per channel basis with SINGn = 1 and CRSn = 0.
0 = B8ZS/HDB3 encoder/decoder enabled. (Default)
1 = AMI encoder/decoder enabled.
e-CRS: Clock Recovery Enable/Disable Selection Register (R/W, Expanded Address = 02H)
Symbol
Position
Default
Description
CRS[7:0]
CRS.7-0
00H
0 = Clock recovery enabled. (Default)
1 = Clock recovery disabled.
e-RPDN: Receiver n Powerdown Register (R/W, Expanded Address = 03H)
Symbol
Position
Default
Description
RPDN[7:0]
RPDN.7-0
00H
0 = Normal operation. (Default)
1 = Receiver n is powered down.
e-TPDN: Transmitter n Powerdown Register (R/W, Expanded Address = 04H)
Symbol
Position
Default
Description
TPDN[7:0]
TPDN.7-0
00H
0 = Normal operation. (Default)
1 = Transmitter n is powered down(1) (the corresponding transmit output driver enters a low power high-Z mode).
1. Transmitter n is powered down when either pin TCLKn is pulled low or TPDNn is set to ‘1’
e-CZER: Consecutive Zero Detect Enable/Disable Register (R/W, Expanded Address = 05H)
Symbol
Position
Default
Description
CZER[7:0]
CZER.7-0
00H
0 = Excessive zeros detect disabled. (Default)
1 = Excessive zeros detect enabled for B8ZS/HDB3 decoder in single rail mode.
e-CODV: Code Violation Detect Enable/Disable Register (R/W, Expanded Address = 06H)
Symbol
Position
Default
Description
CODV[7:0]
CODV.7-0
00H
0 = Code Violation Detect enable for B8ZS/HDB3 decoder in single rail mode. (Default)
1 = Code Violation Detect disabled.
e-SRX: Single Ended Receive Termination Enable/Disable Register (R/W, Expanded Address = 07H)
Symbol
Position
Default
Description
SRX[7:0]
SRX.7-0
00H
0 = Differential receive termination on RTIPn and RRINGn (Default).
1 = Single Ended receive termination on RTIPn.
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