TMC2074-NU SMSC, TMC2074-NU Datasheet - Page 64

• Manufacturer Part Number: TMC2074-NU
• Description: IC CTRL CIRC 128VTQFP PERIPH MOD
• Manufacturer: SMSC
• Series: CircLink™r

Specifications of TMC2074-NU

• Controller Type: I/O Controller
• Interface: Transceiver
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 40mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-TQFP, 128-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1024

2.14.1 Operation Example of HUB Function
Revision 0.2 (10-23-08)
Port1
Tr.
(HUB= ON )
T
CircLink
1. Dividing bus connection
The bus can be electrically divided by setting the HUB function ON.
2. Cascade connection
Fiber optics can be connected as cascade by using the HUB function.
Bus Topology-1
T
Port2
Tr.
Peer to Peer
(HUB=OFF)
CircLink
Port1
Tr.
Port1
Tr.
(HUB= ON )
CircLink
T
Port1
T
Tr.
Port2
(HUB=ON)
CircLink
Tr.
T
Peer to Peer
T
Port2
DATASHEET
Tr.
Port1
Tr.
(HUB= ON )
CircLink
T
(HUB=OFF)
CircLink
Page 64
T
Port1
Port2
Tr.
Tr.
Peer to Peer
T
Tr.
:
:Terminator
Transceiver
Bus Topology-2
(HUB=OFF)
CircLink
Port1
Tr.
(HUB= ON )
Port1
CircLink
Tr.
T
(In Optical fiber unnecessary)
T
Port2
Tr.
T
Tr.
Peer to Peer
Dual Mode CircLink™ Controller
:Transceiver
:Terminator
Port1
Tr.
(HUB= ON )
CircLink
SMSC TMC2074
(HUB=OFF)
T
CircLink
Port1
Datasheet
Tr.
Port2
Tr.
T
T