82V2081PPG8 IDT, Integrated Device Technology Inc, 82V2081PPG8 Datasheet - Page 36

• Manufacturer Part Number: 82V2081PPG8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V2081PPG8

• Number Of Transceivers: 1
• Screening Level: Industrial
• Mounting: Surface Mount
• Package Type: TQFP
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Compliant

SINGLE CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
Table-28 JACF: Jitter Attenuation Configuration Register
4.2.2
Table-29 TCF0: Transmitter Configuration Register 0
TCLK_SEL
T_MD[1:0]
JACF[1:0]
JADP[1:0]
JA_LIMIT
Symbol
Symbol
TD_INV
T_OFF
JABW
TRANSMIT PATH CONTROL REGISTERS
-
-
(R/W, Address = 04H)
(R/W, Address = 05H)
7-6
4-3
2-1
7-5
0-1
Bit
Bit
5
4
3
2
0
Default
Default
000
00
00
00
00
1
0
0
0
0
= 0: Normal mode
Jitter attenuation configuration
Jitter attenuation depth select
Transmit clock edge select
Reserved.
= 1: JA limit mode
= 00/10: JA not used
= 01: JA in transmit path
= 11: JA in receive path
= 00: 128 bits
= 01: 64 bits
= 1x: 32 bits
Jitter transfer function bandwidth select
= 0: 6.8 Hz (E1)
= 1: 0.9 Hz (E1)
Reserved.
Transmitter power down enable
= 0: Transmitter power up
= 1: Transmitter power down (line driver high impedance)
Transmit data invert
= 0: Data on TD or TDP/TDN is active high
= 1: Data on TD or TDP/TDN is active low
= 0: Data on TDP/TDN is sampled on the falling edge of TCLK
= 1: Data on TDP/TDN is sampled on the rising edge of TCLK
Transmitter operation mode control
T_MD[1:0] select different stages of the transmit data path
= 00: Enable HDB3/B8ZS encoder and waveform shaper blocks. Input on pin TD is single rail NRZ data
= 01: Enable AMI encoder and waveform shaper blocks. Input on pin TD is single rail NRZ data
= 1x: Encoder is bypassed, dual rail NRZ transmit data input on pin TDP/TDN
5 Hz (T1/J1)
1.25 Hz (T1/J1)
36
Description
Description
TEMPERATURE RANGES
INDUSTRIAL