SAM9XE512 Atmel Corporation, SAM9XE512 Datasheet - Page 747

• Manufacturer Part Number: SAM9XE512
• Manufacturer: Atmel Corporation

Specifications of SAM9XE512

• Flash (kbytes): 512 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 180 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 2
• Uart: 6
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 312
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.65 to 1.95
• Fpu: No
• Mpu / Mmu: No / Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

40.4.2
6254C–ATARM–22-Jan-10
Host Controller Driver
an Endpoint Descriptor to each endpoint in the system. A queue of Transfer Descriptors is linked
to the Endpoint Descriptor for the specific endpoint.
Figure 40-2. USB Host Communication Channels
Figure 40-3. USB Host Drivers
Device Enumeration
Open HCI
AT91SAM9XE128/256/512 Preliminary
= Transfer Descriptor
Device Register
in Memory Space
Operational
Registers
Mini Driver
Mode
HCCA
Status
Event
Frame Int
Ratio
Control
Bulk
Host Controller Hardware
USB Driver
Host Controller Driver
User Application
Class Driver
Shared RAM
Host Controller
Communications Area
Interrupt 31
Interrupt 0
Interrupt 1
Interrupt 2
HUB Driver
Done
. . .
. . .
. . .
= Endpoint Descriptor
Class Driver
User Space
Kernel Drivers
Hardware
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