82V2044BB IDT, Integrated Device Technology Inc, 82V2044BB Datasheet - Page 36

• Manufacturer Part Number: 82V2044BB
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V2044BB

• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Not Compliant

e-SING: Single Rail Mode Setting Register (R/W, Expanded Address = 00H)
e-CODE: Encoder/Decoder Selection Register (R/W, Expanded Address = 01H)
e-RPDN: Receiver n Powerdown Register (R/W, Expanded Address = 03H)
e-TPDN: Transmitter n Powerdown Register (R/W, Expanded Address = 04H)
1.
3.3.2
e-CRS: Clock Recovery Enable/Disable Selection Register (R/W, Expanded Address = 02H)
e-CZER: Consecutive Zero Detect Enable/Disable Register (R/W, Expanded Address = 05H)
Transmitter n is powered down when either pin TCLKn is pulled low or TPDNn is set to ‘1’.
CODE[3:0]
RPDN[3:0]
IDT82V2044
TPDN[3:0]
CZER[3:0]
SING[3:0]
Programming Information
CRS[3:0]
Symbol
Symbol
Symbol
Symbol
Symbol
Symbol
-
-
-
-
-
-
EXPANDED REGISTER DESCRIPTION
CODE.7-4
CODE.3-0
RPDN.7-4
RPDN.3-0
TPDN.7-4
TPDN.3-0
CZER.7-4
CZER.3-0
SING.7-4
SING.3-0
Position
Position
Position
CRS.7-4
CRS.3-0
Position
Position
Position
Default
Default
Default
Default
Default
Default
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0 = Normal operation.
1 = Reserved.
0 = Pin TDNn selects single rail mode or dual rail mode. (Default)
1 = Single rail mode enabled (with CRSn=0)
0 = Normal operation.
1 = Reserved.
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.
0 = Normal operation.
1 = Reserved.
0 = Clock recovery enabled. (Default)
1 = Clock recovery disabled.
0 = Normal operation.
1 = Reserved.
0 = Normal operation. (Default)
1 = Receiver n is powered down.
0 = Normal operation.
1 = Reserved.
0 = Normal operation. (Default)
1 = Transmitter n is powered down
0 = Normal operation.
1 = Reserved.
0 = Excessive zeros detect disabled. (Default)
1 = Excessive zeros detect enabled for B8ZS/HDB3 decoder in single rail mode.
(1)
(the corresponding transmit output driver enters a low power high-Z mode).
36
QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT
Description
Description
Description
Description
Description
Description
September 22, 2005