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NET2890

Features: • USB Specification Version 1.1 Compliant• Bridges between a Processor-Independent local bus and a USB bus• USB device bandwidth of up to 12Mb/sec• Four Configurable Endpoints, in addition to Endpoint 0• Each endpoint can be Isochronous, Bulk, or Interrupt, ...

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SeekIC No. : 004433586 Detail

NET2890: Features: • USB Specification Version 1.1 Compliant• Bridges between a Processor-Independent local bus and a USB bus• USB device bandwidth of up to 12Mb/sec• Four Configurabl...

NET2890 Data Sheet

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Part Number:
NET2890
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• USB Specification Version 1.1 Compliant
• Bridges between a Processor-Independent local bus and a USB bus
• USB device bandwidth of up to 12Mb/sec
• Four Configurable Endpoints, in addition to Endpoint 0
• Each endpoint can be Isochronous, Bulk, or Interrupt, as well as In or Out
• One 128 byte FIFO attached to each endpoint allows concurrency
• Separate 16 byte FIFO for Control Endpoint 0
• Supports local CPU or DMA data transfers
• Automatic retry of failed packets
• Diagnostic register allows forced USB errors
• Atomic operation to set and clear status bits simplifies software
• Simulated disconnect allows re-enumeration
• Low power CMOS in 48 Pin Plastic QFP Package
• 3.3V operating voltage, 3.3V / 5.0 V dual-voltage I/O interface
• Pin compatible with NET2888


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Min
Max
Unit
VDDC
 Core/USB Supply Voltage With Respect to Ground
-0.5
4.6
V
VDDL
 Local Supply Voltage (+5V) With Respect to Ground
-0.5
7.0
V
VI
 DC input voltage With Respect to Ground
-0.5
VDD+0.5
V
IOUT
 DC Output Current, per pin  
-25
25
mA
TSTG
 Storage Temperature No bias
-65
150
° C
TAMB
 Ambient temperature Under bias
-65
150
° C
PD
 Power Dissipation Under bias
mW
VESD
 ESD Rating R = 1.5K, C = 100pF
2
KV



Description

The NET2890 is a USB function device, and as a result is always a slave to the USB host. The bit and packet level protocols, as well as the electrical interface of it, conform to USB Specification Version 1.0. All USB data transfers to and from the NET2890 USB port are initiated by the USB host. The NET2890 can be configured for up to 4 endpoints, in addition to Endpoint 0. Each endpoint can be an isochronous, bulk or interrupt type. The configuration registers are used to program the characteristics of each endpoint.




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