82V2042EPF8 IDT, Integrated Device Technology Inc, 82V2042EPF8 Datasheet - Page 48
82V2042EPF8
Manufacturer Part Number
82V2042EPF8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V2042EPF8.pdf
(83 pages)
Specifications of 82V2042EPF8
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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4.3.5
Table-32 RCF0: Receiver Configuration Register 0
Table-33 RCF1: Receiver Configuration Register 1
PROGRAMMING INFORMATION
IDT82V2042E
RCLK_SEL
R_MD[1:0]
LOS[4:0]
RD_INV
Symbol
Symbol
EQ_ON
R_OFF
RECEIVE PATH CONTROL REGISTERS
-
-
-
(R/W, Address = 09H, 29H)
(R/W, Address= 0AH, 2AH)
7-5
1-0
Bit
Bit
4:0
4
3
2
7
6
5
Default
Default
10101
000
00
0
0
0
0
0
0
Reserved
= 0: Receive equalizer off
= 1: Receive equalizer on (LOS programming enabled)
Reserved.
Reserved
Receiver power down enable
= 0: Receiver power up
= 1: Receiver power down
Receive data invert
= 0: Data on RDn or RDPn/RDNn is active high
= 1: Data on RDn or RDPn/RDNn is active low
Receive clock edge select (this bit is ignored in slicer mode)
= 0: Data on RDn or RDPn/RDNn is updated on the rising edge of RCLKn
= 1: Data on RDn or RDPn/RDNn is updated on the falling edge of RCLKn
Receive path decoding selection
= 00: Receive data is HDB3 (E1)/B8ZS (T1/J1) decoded and output on RDn pin with single rail NRZ format
= 01: Receive data is AMI decoded and output on RDn pin with single rail NRZ format
= 10: Decoder is bypassed, re-timed dual rail data with NRZ format output on RDPn/RDNn (dual rail mode with clock
recovery)
= 11: CDR and decoder are bypassed, slicer data with RZ format output on RDPn/RDNn (slicer mode)
01011 - 11111
00000
00001
00010
00100
00101
01000
01001
01010
00011
00110
00111
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
48
LOS Clear Level (dB)
0
>-2
>-4
>-8
>-12
>-14
Reserved
>-6
>-10
>-16
>-18
>-20
Description
Description
LOS Declare Level (dB)
<-4
<-6
<-8
<-10
<-12
<-14
<-16
<-18
<-20
<-22
<-24
December 12, 2005
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