bbt3821 Intersil Corporation, bbt3821 Datasheet - Page 8

• Manufacturer Part Number: bbt3821
• Description: Octal Multi-rate Lx4/cx4 - Xaui Re-timer
• Manufacturer: Intersil Corporation

RXP1P/N
RXP2P/N
RXP3P/N
TXP0 P/N
TXP1 P/N
TXP2 P/N
TXP3 P/N
RXP0P/N
Ingress
Egress
Loopback
XAUI
PHY XS
(Serial)
Equalizer
Equalizer
Equalizer
Equalizer
Signal
Detect
Signal
Detect
Signal
Detect
Signal
Detect
20X or 10X
Clock
Device Address 4 PHY XGXS
CDR
CDR
CDR
CDR
(See also Figure 4 & Figure 5 for MDIO and LASI blocks and Figure 6 for BIST operation)
Generator
Generator
Generator
Generator
Encoder,
Encoder,
Encoder,
Encoder,
8B/10B
8B/10B
8B/10B
8B/10B
AKR
AKR
AKR
AKR
8
FIGURE 2. DETAILED FUNCTIONAL BLOCK DIAGRAM (BIST OMITTED)
JTAG
Decoder
Decoder
Decoder
Decoder
10B/8B
10B/8B
10B/8B
10B/8B
TXFIFO &
Error and
TXFIFO &
Error and
TXFIFO &
Error and
TXFIFO &
Error and
Orderset
Detector
Orderset
Detector
Orderset
Detector
Orderset
Detector
MDIO Register, LASI & Common Logic
RX FIFO
RX FIFO
RX FIFO
RX FIFO
Deskew
Deskew
Deskew
Deskew
(PHY XS)
Loopback
PCS //
BBT3821
PCS // Network
Loopback
RX FIFO
Deskew
RX FIFO
Deskew
RX FIFO
Deskew
RX FIFO
Deskew
Device Address 3 PCS
TXFIFO &
TXFIFO &
Error and
TXFIFO &
Error and
TXFIFO &
Error and
Error and
Orderset
Orderset
Detector
Orderset
Detector
Orderset
Detector
Detector
Engine
MDIO
Decoder
Decoder
Decoder
Decoder
10B/8B
10B/8B
10B/8B
10B/8B
Generator
Generator
Generator
Generator
Encoder,
Encoder,
Encoder,
I
Encoder,
2
8B/10B
8B/10B
8B/10B
8B/10B
C
AKR
AKR
AKR
AKR
BIST
CDR
CDR
CDR
CDR
Device Address 1 PMA/PMD
LX4/CX4
Ingress
Equalizer,
Equalizer,
Equalizer,
Equalizer
PMA
Loop
back
Signal
Detect
Signal
Detect
Signal
Detect
Signal
Detect
Egress
TCX3 P/N
TCX0 P/N
TCX1 P/N
TCX2 P/N
RCX3 P/N
RCX0 P/N
RCX1 P/N
RCX2 P/N