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What is MCS7830?

This electronic component, produced by the manufacturer "ASIX", performs the same function as "USB 2.0 to 10/100M Fast Ethernet Controller".


MCS7830 Datasheet PDF - ASIX

Part Number MCS7830
Description USB 2.0 to 10/100M Fast Ethernet Controller
Manufacturers ASIX 
Logo ASIX Logo 


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MCS7830
USB 2.0 to 10/100M Fast Ethernet Controller
Features
USB 2.0 Device Controller
Integrated USB 2.0 PHY
USB Specification 2.0 Compliant
Supports all USB Standard Commands
Supports Five Vendor Specific
Commands
Supports USB Suspend/Resume
Detection Logic
10/100 Mbps Ethernet Controller
Integrated MAC and PHY
IEEE 802.3 Compliant
Supports Full Duplex Operation in
10/100 Mbps Modes
Exhaustive MAC Status Reporting
Supports PAUSE Control Frames
Support Low Power Mode / Remote
Wakeup
Serial Interface to Read/Write to 93LC46B
EEPROM through USB
On-Chip FIFOs for Upstream and
Downstream Data Transfers
WHQL Certified
Configurable Vendor and Product IDs
through EEPROM
Supports iSerial Number and Locally
Administered Network Address
Supports MII interface for External
Ethernet PHY (128-pin package only)
Applications
Add-On 10/100 Dongle
Instrumentation
Embedded Applications
Application Note
AN-7830-DA-128
AN-7830-DA-80
Evaluation Board
MCS7830CQ-BCD
MCS7830CV-BCD
General Description
The USB to MAC Ethernet Controller is a unique
solution to interface 10/100 Base-T Ethernet devices
to the Universal Serial Bus (USB-2.0).
This device has been specifically designed to
provide a simple solution to communicate with
Ethernet applications. This is accomplished by its
highly integrated functionality.
Ordering Information
Commercial Grade (0 °C to +70 °C)
MCS7830CQ-DA 128-LQFP RoHS
MCS7830CV-DA
80-TQFP RoHS
It is ideal for LAN (Local Area Network) applications.
It provides internal buffering to enable parallel
operations from USB ports on the host side, and
MAC ports on the Ethernet side.
It also provides a serial interface for an EEPROM
for storing the MAC-ID, VID, PID, and other
configurable settings.
1
Copyright © 2004-2011 ASIX Electronics Corporation. All rights reserved.

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MCS7830 equivalent
Pin Assignments
Name
nRSTP
128-Pin
4
MODE 0
12
MODE 1
MODE 2
TXLED
14
18
26
RXLED
LINKLED
SPDLED
COLLED
FDXLED
30
38
44
45
48
MCS7830
USB 2.0 to 10/100M Fast Ethernet Controller
80-Pin
4
-
-
-
19
20
21
25
26
27
Type
I
Description
10/100 Ethernet PHY Power-On Reset input
(Active Low).
10/100 Operation Mode Select Pins (MODE <2:0>)
0 = Auto-Negotiation Enable with all capabilities.
1 = Auto-Negotiation with 100 Base-TX.
2 = Auto-Negotiation with 10 Base-T, FDX/HDX.
I 3 = Reserved.
4 = Manual selection of 100 Base-TX, FDX.
5 = Manual selection of 100 Base-TX, HDX
6 = Manual selection of 10 Base-T, FDX
7 = Manual selection of 10 Base-T, HDX
This pin is internally pulled to GND.
I
See MODE 0 above. This pin is internally pulled to
GND.
I
See MODE 0 Above. This pin is internally pulled to
GND.
Transmitting Frame signal (Active Low). This pin goes
low when transmission occurs on the 10/100 interface.
O This signal would be seen as toggling in low data traffic
conditions. In heavy traffic conditions, the user can see
this as continuously glowing/toggling at a quick rate.
Receiving Frame signal (Active Low). This pin goes low
when receive occurs on the 10/100 interface. This
O signal would be seen as toggling in low data traffic
conditions. In heavy traffic conditions, the user can see
this as continuously glowing/toggling at a quick rate.
Link Status signal (Active High). This pin goes high
O
when the 10/100 link is detected. Once the link is
active, this pin toggles to indicate a data transfer when
traffic occurs on the 10-/100 interface.
O
Speed Indicator for 10 / 100 Ethernet
High for 100 Mbps.
Collision Detected (Active Low). This pin goes low when
a collision is detected on the 10/100 interface. Collisions
occur in half-duplex mode of operation with traffic load
O on the 10/100 interface. This signal would be seen as
toggling in low data traffic conditions. In heavy traffic
conditions, the user can see this as continuously
glowing/toggling at a quick rate.
O
Full Duplex mode (Active High). This pin goes high
when the 10/100 interface is in full duplex mode.
5
Copyright © 2004-2011 ASIX Electronics Corporation. All rights reserved.


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Part Details

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