Products > Integrated Circuits (ICs) > M66291GP

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USB Controller

  • Package/Case :
  • QFP-48
  • Product Categories :
  • Voltage regulator tube
  • RoHs Status:
  • Lead free/RoHS Compliant
  • In-stock:
  • 20000


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M66291GP Product Details

The M66291 is a general purpose USB (Universal Serial Bus) device controller compliant with the USB Specification Revision 2.0 and supports full speed transfer. The USB transceiver circuit is included, and the M66291 meets all transfer types which are defined in the USB specification. The M66291 has FIFO of 3 Kbytes for data transfer and can set 7 endpoints (maximum). Each endpoint can be set programmable of its transfer condition, so can correspond to each device class transfer system of USB.
USB Specification Revision 2.0 compliant
Supports Full Speed (12 Mbps) transfer
Built-in USB transceiver circuit
Built-in oscillation buffer (Supports 6M/12M/24 MHz of oscillator) and PLL at 48 MHz
Supports Vbus direct connection (5 V withstand voltage input), D+ pin pullup output
Supports all transfer type which is defined in the USB specification.(Control transfer / Bulk transfer / Interrupt transfer /Isochronous transfer)
Low power consumption operation (Average 15 mA at operation)
Robust against signal distortion on USB transfer line due to SIE/DPLL(Digital Phase Lock Loop) of the original design
Easy making enumeration program and timing design because hardware manages the device state / control transfer state (transition timing)
Reduction of CPU load due to continuous transmit/receive mode (the mode for buffering several transaction data into FIFO) This enables high performance and throughput improvement.
Up to 7 endpoints (EP0 to EP6) selectable
Data transfer condition selectable for each endpoint (EP1 to EP6)
Compatible to various applications (device class)
• Data transfer type (Bulk transfer / Isochronous transfer / Interrupt transfer)
• Transfer direction (IN, OUT)
• Packet size
Built-in FIFO buffer (3 Kbytes) for endpoints
Buffering conditions of FIFO memory settable per endpoint (EP1 to EP6)
• FIFO buffer size (up to 1Kbyte)
• Presence/Absence of double buffer configuration (setting of buffer size x 2)
Four pieces of configurable FIFO ports
• Endpoint number allocation
• Access method switching (CPU, DMAC)
• Bit width (8-bit / 16-bit)
• Endian switching
”Interrupt queuing function” that eliminates the need of complicated factor analysis
Connectable to various CPU/DMAC
• Bus width(8-bit / 16-bit)
• Interface voltage(2.7V to 5.5V)
• Interrupt signal and DMA control signal polarities settable
• Supports multi-word DMA (burst)
FIFO access cycle of maximum 24 Mbytes/sec
Support all PC peripheral built-in USB


M66291GP Pinout
(Picture: Pinout)

M66291GP Block Diagram
(Picture: Diagram)

Technical Parameters

  • Manufacturer
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free/RoHS Compliant
  • Package/Case
  • QFP-48

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    A+++++ Fast delivery, well packaged and good price. Perfect.

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Estimated Delivery Time: Oct 03 - Oct 08 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that M66291GP is the original manufacturer or agent of RENESAS?
We have a professional business development department to strictly test and verify the qualifications of RENESAS original manufacturers and agents. All RENESAS suppliers must pass the qualification review before they can publish their M66291GP devices; we pay more attention to the channels and quality of M66291GP products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of M66291GP chips? Including RENESAS original factory information, Voltage regulator tube application, M66291GP pictures?
You can use Jotrin's intelligent search engine, or filter by Voltage regulator tube category, or find it through Renesas Technology Corp Information page.
Q: Are the RENESAS's M66291GP price and stock displayed on the platform accurate?
The RENESAS's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for M66291GP, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of M66291GP?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the M66291GP we delivered, we will accept the replacement or return of the M66291GP only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of M66291GP.
(3)The M66291GP is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as M66291GP datasheet pdf, M66291GP pin diagram?
Need any After-Sales service, please feel free contact us:

Renesas Technology Corp

In April 2010, NEC electronics and renesas technologies, two major semiconductor manufacturers in Japan, merged, creating a new professional semiconductor manufacturer renesas electronics. Based on its strong r&d strength, design and development platform and various manufacturing technologies, rene...

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