DriverCore: Atmel Optimized
Specific USB controllers support details
» A part of DriverCore: USB CDC/Modem/DFU/Serial Drivers solution
» A part of DriverCore: USB CDC/Modem/DFU/Serial Drivers solution
The DriverCore product line implements various class
specifications set by the USB-IF. These classes include
Communication Device Class (CDC) with the ACM, ECM, EEM
specifications, USB-to-Serial implementation, Device Firmware
Upgrade (DFU) protocol, and others.
USB Classes Supported by the AVR Family:
USB Classes Supported by the 8051 Family:
USB Classes Supported by the Customizable Family:
USB Classes Supported by the AVR32 Family:
DriverCore is optimized and tested across Atmel's USB controllers.
The table below shows Atmel's USB device controllers, detailing their support capabilities for various USB specifications. The controller's available resources (specifically the number of endpoints) is the restricting factor for supporting various USB classes.
For further assistance, consultation or any other questions, please contact us
USB Classes Supported by the AVR Family:
| Model | Bit | Firmware Layout | USB to Serial | Composite mode | ACM | Composite mode | ECM | Composite mode | DFU | Composite mode | EEM | Composite mode |
| AT90USB82 | 8 | Full Speed Up to 5 endpoints | 
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| AT90USB162 | 8 |
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| AT90USB646 | 8 | Full Speed Up to 7 endpoints |
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| AT90USB647 | 8 |
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| AT90USB1286 | 8 |
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| AT90USB1287 | 8 |
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USB Classes Supported by the 8051 Family:
| Model | Bit | Firmware Layout | USB to Serial | Composite mode | ACM | Composite mode | ECM | Composite mode | DFU | Composite mode | EEM | Composite mode |
| AT89C5130A | 8 | Full Speed Up to 7 endpoints |
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| AT89C5131A | 8 |
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| AT89C5132 | 8 | Full Speed 4 endpoints |
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| AT83C5134 | 8 | Full Speed 6 endpoints |
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| AT83C5135 | 8 |
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| AT83C5136 | 8 |
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| AT83EC5136 | 8 |
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| AT83EI5136 | 8 |
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USB Classes Supported by the Customizable Family:
| Model | Bit | Firmware Layout | USB to Serial | Composite mode | ACM | Composite mode | ECM | Composite mode | DFU | Composite mode | EEM | Composite mode |
| AT91CAP7S450A | 32 | Full Speed 6 endpoints |
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| AT91CAP7S250A | 32 |
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| AT83C5122 | 8 | Full Speed 7 endpoints |
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| AT83EC5122 | 8 |
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| AT85C5122 | 8 |
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| AT89C5122 | 8 |
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| AT89C5122DS | 8 |
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| AT83C5123 | 8 |
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| AT83EC5123 |
USB Classes Supported by the AVR32 Family:
| Model | Bit | Firmware Layout | USB to Serial | Composite mode | ACM | Composite mode | ECM | Composite mode | DFU | Composite mode | EEM | Composite mode |
| AT32AP7000 | 32 | Full Speed 7 endpoints |
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About Atmel
Atmel Corporation, founded in 1984, is a worldwide leader in the
design, manufacturing and marketing of advanced semiconductors,
including advanced logic, nonvolatile memory, mixed signal and RF integrated circuits.
Atmel is one of the elite companies capable of integrating dense nonvolatile memory, logic and analog functions on a single chip. Atmel chips are manufactured using the most advanced wafer processes, including BiCMOS, CMOS and Silicon Germanium (SiGe) technologies.
