TXC-06880BIOG Transwitch Corporation, TXC-06880BIOG Datasheet - Page 10

• Manufacturer Part Number: TXC-06880BIOG
• Manufacturer: Transwitch Corporation

Specifications of TXC-06880BIOG

• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

Envoy-CE2 Device
DATA SHEET
TXC-06880
1 0 o f 12 2
Note: Each MAC is configurable as 8 Fast Ethernet Ports (10/100 Mbit/s), 2 Fast Ethernet Ports with Extended
2.1 BLOCK DIAGRAM
MDIO
MDC
Buffers, or 1 Gigabit Ethernet Port (10/100/1000 Mbit/s)
TXn
TX0
RXn
RX0
Figure 2. Functional Block Diagram of the Envoy-CE2
RMON STATUS, CONFIGURATION and MICROPROCESSOR INTERFACE
MII Management Signals
Generate PAUSE Frames
GMII/MII/
Detect PAUSE Frames
MAC
SMII
RX
TX
&
-
Functional Description
2.0 F
INGRESS FIFO CONTROLLER
EGRESS FIFO CONTROLLER
Detect Backpressure
Apply Backpressure
FLOW CONTROL
UNCTIONAL
-
Channel n
Channel 0
CHn
CHn
CH0
CH0
PRELIMINARY TXC-06880-MB, Ed. 4
8/16/32
D
SPI-3
Bit
M
D
E
U
X
S
C
H
E
D
U
E
R
L
ESCRIPTION
ISPID(31:0)
ISPISTPA
ISPIPTPA
OSPISTPA
OSPIPTPA
OSPID(31:0)
February 2005