QT2032PRKCB Datasheet, PDF (14/220 Pages) Applied Micro Circuits Corporation – 10 Gb/s Serial-to-XAUI PHY ICs for Ethernet and Fibre Channel LAN/ SAN/WAN Applications (CDR)

QT2022/32 - Data Sheet: DS3051
Table 3: QT2022/32 Ball Assignment & Signal Description (Continued)
Ball
K1
K2
Signal Name
VCXOIP
VCXOIN
Dir.
Type
I
CML
Description
QT2032:
Input clock from VCXO when an external VCXO is used for the fiber side
TXPLL reference clock input in WAN-mode;
155.52 MHz or 622.08 MHz selected by VCXOSEL622 pin;
AC coupled with on chip 50Ω terminations to 1.2 V.
N10 RXIP
N11 RXIN
A8
TxXAUI0P
B8
TxXAUI0N
A6
TxXAUI1P
B6
TxXAUI1N
A4
TxXAUI2P
B4
TxXAUI2N
A2
TxXAUI3P
B2
TxXAUI3N
DC Monitor Points
D1
TxXMONCVP
I
CML
I
CML
I
CML
I
CML
I
CML
O
analog
D2
TxXMONCVN
O
analog
Connection Points for External Components
M13 RXICXP
analog
M14 RXICXN
analog
L12
PHASE_OFFSET
analog
QT2022:
Unused. Leave unconnected.
10 Gb/s receive data in, 100 Ω differential impedance.
Transmit 3.125 Gb/s data to QT2022/32 from XAUI interface - lane 0
Transmit 3.125 Gb/s data to QT2022/32 from XAUI interface - lane 1
Transmit 3.125 Gb/s data to QT2022/32 from XAUI interface - lane 2
Transmit 3.125 Gb/s data to QT2022/32 from XAUI interface - lane 3
Monitor test point for the transmit XAUI interface (DC signal).
Used for monitoring only. Leave unconnected.
Monitor points for the transmit XAUI interface (DC signal)
Used for monitoring only. Leave unconnected.
Connection point for external 100 nF cap to ground
Connection point for external 100 nF cap to ground
For test purposes only.
N13 ITH_LOS
F14 RxXLEVEL
F13 XBIAS
P14 RXFP
P13 RXFN
N14 RXIPMP
P4
TXLEVEL
L4
TXFP
M4
TXFN
14
analog
analog
analog
analog
analog
analog
analog
Internal fiber receive path loss of signal (LOS) detector threshold adjust.
See Section 8.7.1 on page 72 for details.
connection point for external resistor to set receive XAUI drivers’ output
level.
XAUI bias current control
6.49 kΩ resistor to GND.
Receive charge pump filter connection points
see “External Components” on page 209 for external component
connections
Receive charge pump current control
6.49 kΩ resistor to GND
external resistor used to control 10.3125 Gb/s output data amplitude.
Transmit loop filter - see “External Components” on page 209 for external
components
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