AT32UC3A1256 Atmel Corporation, AT32UC3A1256 Datasheet - Page 511
AT32UC3A1256
Manufacturer Part Number
AT32UC3A1256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(98 pages)
2.AT32UC3A0128.pdf
(826 pages)
3.AT32UC3A0128.pdf
(377 pages)
4.AT32UC3A0128.pdf
(33 pages)
5.AT32UC3A0128.pdf
(159 pages)
Specifications of AT32UC3A1256
Flash (kbytes)
256 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
69
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
1
Uart
4
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A1256-U
Manufacturer:
ATMEL
Quantity:
496
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A0128 PDF datasheet #4
- AT32UC3A0128 PDF datasheet #5
- Current page: 511 of 826
- Download datasheet (11Mb)
32058K AVR32-01/12
30.7.2
30.7.2.1
30.7.2.2
Figure 30-13. Device Mode States
30.7.2.3
USB Device Operation
Introduction
Power-On and Reset
USB Reset
In device mode, the USB controller supports full- and low-speed data transfers.
In addition to the default control endpoint, six endpoints are provided, which can be configured
with the types isochronous, bulk or interrupt, as described in
The device mode starts in the Idle state, so the pad consumption is reduced to the minimum.
Figure 30-13
After a hardware reset, the USB controller device mode is in the Reset state. In this state:
D+ or D- will be pulled up according to the selected speed as soon as the DETACH bit is cleared
and VBus is present. See
When the USB macro is enabled (USBE = 1) in device mode (ID = 1), its device mode state
goes to the Idle state with minimal power consumption. This does not require the USB clock to
be activated.
The USB controller device mode can be disabled and reset at any time by disabling the USB
macro (USBE = 0) or when host mode is engaged (ID = 0).
The USB bus reset is managed by hardware. It is initiated by a connected host.
When a USB reset is detected on the USB line, the following operations are performed by the
controller:
•the macro clock is stopped in order to minimize power consumption (FRZCLK = 1);
•the internal registers of the device mode are reset;
•the endpoint banks are de-allocated;
•neither D+ nor D- is pulled up (DETACH = 1).
•all the endpoints are disabled, except the default control endpoint;
•the default control endpoint is reset (see
•the data toggle sequence of the default control endpoint is cleared;
•at the end of the reset process, the End of Reset interrupt (EORST) is raised.
describes the USB controller device mode main states.
RESET
HW
| ID = 0
USBE = 0
Section 30.7.1.5.1 on page 506
Reset
| ID = 0
& ID = 1
USBE = 0
state>
other
<any
USBE = 1
Section 30.7.2.4 on page 512
Idle
for further details.
Table 30-1 on page
for more details);
AT32UC3A
497.
511
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