AT32UC3A4256 Atmel Corporation, AT32UC3A4256 Datasheet - Page 723

• Manufacturer Part Number: AT32UC3A4256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A4256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.0 to 3.6
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

• AUTOSW: Automatic Switch
• PTOKEN: Pipe Token
• PSIZE: Pipe Size
• PBK: Pipe Banks
32072G–11/2011
0
0
0
0
1
1
1
1
This field is cleared upon sending a USB reset.
This bit is cleared upon sending a USB reset.
1: The automatic bank switching is enabled.
0: The automatic bank switching is disabled.
This field contains the endpoint token.
This field contains the size of each pipe bank.
This field is cleared upon sending a USB reset.
This field contains the number of banks for the pipe.
For control endpoints, a single-bank pipe (0b00) should be selected.
This field is cleared upon sending a USB reset.
0
1
1
0
0
1
1
PTOKEN
PTYPE
PSIZE
PBK
00
01
10
11
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Endpoint Direction
SETUP
IN
OUT
reserved
Endpoint Size
8 bytes
16 bytes
32 bytes
64 bytes
128 bytes
256 bytes
512 bytes
1024 bytes
Pipe Type
Isochronous
Bulk
Interrupt
Endpoint Banks
1 (single-bank pipe)
2 (double-bank pipe)
3 (triple-bank pipe) if supported
Reserved
(see
Table 26-1 on page
617).
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