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PDF MCS7830 Data sheet ( Hoja de datos )
| Número de pieza | MCS7830 | |
| Descripción | USB 2.0 to 10/100M Fast Ethernet Controller | |
| Fabricantes | ASIX | |
| Logotipo |  |
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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 FIFO‟s for Upstream and
Downstream Data Transfers
• WHQL Certified
• Configurable Vendor and Product ID‟s
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.
1 page  
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.
5 Page 
MCS7830
USB 2.0 to 10/100M Fast Ethernet Controller
Endpoint-1 Descriptor
Bulk-In
Offset
0
1
2
3
4
5
Field
Length
Descriptor Type
Endpoint Address
Attributes
Max Packet Size
Interval
Size
1
1
1
1
2
1
Value
0x07
0x05
0x81
0x02
0x0040
0x0200
0xFF
Description
Descriptor Size in Bytes
ENDPOINT
Endpoint Number and Direction
Transfer Type Supported
Maximum Packet Size Supported
(Full Speed)
(High Speed)
Polling Interval
Endpoint-2 Descriptor
Bulk-Out
Offset
0
1
2
3
4
5
Field
Length
Descriptor Type
Endpoint Address
Attributes
Max Packet Size
Interval
Size
1
1
1
1
2
1
Value
0x07
0x05
0x02
0x02
0x0040
0x0200
0xFF
Description
Descriptor Size in Bytes
ENDPOINT
Endpoint Number and Direction
Transfer Type Supported
Maximum Packet Size Supported
(Full speed)
(High speed)
Polling Interval
Endpoint-3 Descriptor
Interrupt-In
Offset
0
1
2
3
4
5
Field
Length
Descriptor Type
Endpoint Address
Attributes
Max Packet Size
Interval
Size
1
1
1
1
2
1
Value
0x07
0x05
0x83
0x03
0x0010
0x01
Description
Descriptor Size in Bytes
ENDPOINT
Endpoint Number and Direction
Transfer Type Supported
Maximum Packet Size Supported
Polling Interval
11
Copyright © 2004-2011 ASIX Electronics Corporation. All rights reserved.
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MCS7830.PDF ] | |
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