BBT3821-JH Intersil, BBT3821-JH Datasheet - Page 22

• Manufacturer Part Number: BBT3821-JH
• Description: IC RE-TIMER OCTAL 192-BGA
• Manufacturer: Intersil
• Type: Clock and Data Recovery (CDR)r

Specifications of BBT3821-JH

• Input: Differential
• Output: CML
• Frequency - Max: 3.1875GHz
• Voltage - Supply: 1.425 V ~ 1.575 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 192-EBGA
• Frequency-max: 3.1875GHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Note (1): Value depends on the current state of the LX4/CX4 select LX4_MODE pin. Although IEEE 802.3ae specifies R/W bits, only valid values may be written; since
[1,3:4].5.15:8
[1,3,4].5.7
[1,3,4].5.6
[1,3:4].5.5
[1,3:4].5.4
[1,3:4].5.3
[1,3:4].5.2
[1,3:4].5.1
[1,3:4].5.0
[1,3:4].6.15
[1,3:4].6.14
[1,3,4].6.13
[1,3:4].6.12:0
1.7.15:4
1.7.3:0
1.8.15:14
1.8.13
1.8.12
1.8.11
1.8.10
1.8.9
1.8.8
1.8.7
1.8.6
BIT
the pin controls the available valid value, no meaningful write is possible.
BIT
BIT
Device present
TXLocalFlt Ability
RXLocalFlt Ability
TXLocalFlt
RXLocalFlt
Ext Ability
TX Disable
10GBASE-SR
10GBASE-LR
NAME
Reserved
Link Partner
10PASS-TS tone table
DTE XS
PHY XS
PCS
WIS
PMD_PMA
Cls_22
VndrDEV2
VndrDEV1
Clause 22 extn.
Reserved
Reserved
PMA/PMD Type
Table 10. IEEE PMA/PMD STATUS 2 DEVICE PRESENT & FAULT SUMMARY REGISTER
NAME
NAME
22
10 = Device present
1 = PMA/PMD can detect TX
Fault
1 = PMA/PMD can detect RX
Fault
1 = TX Local Fault; on Egress
channel
1 = RX Local Fault; on Ingress
channel
1 = Extended Ability Register
present.
1 = Can Disable TX
0 = cannot perform
0 = cannot perform
MDIO REGISTER ADDRESSES = 1.5, 3.5, 4.5 ([1,3:4].0005’h)
MDIO REGISTER ADDRESSES = 1.6, 3.6, 4.6 ([1,3:4].0006’h)
0100 = 10GBASE-LX4
0000 = 10GBASE-CX4
Table 9. IEEE PMA/PMD TYPE SELECT REGISTER
Table 8. IEEE DEVICES IN PACKAGE REGISTERS
Link Partner PMA/PMD present 0’b
10PASS-TS tone table present
DTE XS Present
PHY XS Present
PCS Present
WIS Present
PMD/PMA Present
Clause 22 registers
Vendor Specific DEV2
Vendor Specific DEV1
Clause 22 extension
MDIO REGISTER ADDRESSES = 1.7 (1.0007’h)
MDIO REGISTER ADDRESSES = 1.8 (1.0008’h)
SETTING
SETTING
SETTING
BBT3821
10’b
1’b
1’b
0’b
0’b
1’b
1’b
0’b
0’b
DEFAULT
000’h
P’b
DEFAULT
000’h
0’b
0’b
1’b
1’b
0’b
1’b
0’b
0’b
0’b
0’b
000’h
(1)
DEFAULT
RO
RO
RO
RO LH
RO
LH
RO
RO
RO
RO
(1,2)
R/W
(1)
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
R/W
When read as “10”, it indicates that a device is
present at this device address
PMA/PMD has the ability to detect a Local Fault
on Transmit Path
PMA/PMD has the ability to detect a Local Fault
on Receive Path
PLL lock fail (missing REFCLK) or TX_FAULT pin
active
PLL lock fail (missing REFCLK), or Loss of Signal
in 1.10 (1.000A’h)
Device has Extended Ability Register in 1.11
(1.000B’h)
Device can Disable Transmitter
Device cannot be 10GBASE-SR
Device cannot be 10GBASE-LR
R/W
LX4_MODE select pin high is LX4 value,
low is CX4 value
Device has no Link Partner
Device has no 10PASS-TS tone table
Device ignores DEVAD 5
Device responds to DEVAD 4
Device responds to DEVAD 3
Device ignores DEVAD 2
Device responds to DEVAD 1
Device ignores Clause 22
Device ignores DEVAD 31
Device ignores DEVAD 30
Device has no Clause 22 extension
DESCRIPTION
DESCRIPTION
DESCRIPTION