AT32UC3B064 Atmel Corporation, AT32UC3B064 Datasheet - Page 383
AT32UC3B064
Manufacturer Part Number
AT32UC3B064
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3B0128.pdf
(684 pages)
5.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B064
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
60 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
44
Ext Interrupts
44
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
4
Twi (i2c)
1
Uart
3
Ssc
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
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
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
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3B0128 PDF datasheet #4
- AT32UC3B0128 PDF datasheet #5
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22.7.3.8
22.7.3.9
22.7.3.10
32059L–AVR32–01/2012
Remote wake-up
Management of control pipes
Management of IN pipes
The controller host mode enters the Suspend state when the UHCON.SOFE bit is written to
zero. No more “Start of Frame” is sent on the USB bus and the USB device enters the Suspend
state 3ms later.
The device awakes the host by sending an Upstream Resume (Remote Wake-Up feature).
When the host controller detects a non-idle state on the USB bus, it set the Host Wake-Up inter-
rupt (HWUPI) bit in UHINT. If the non-idle bus state corresponds to an Upstream Resume (K
state), the Upstream Resume Received Interrupt (RXRSMI) bit in UHINT is set. The user has to
generate a Downstream Resume within 1ms and for at least 20ms by writing a one to the Send
USB Resume (RESUME) bit in UHCON. It is mandatory to write a one to UHCON.SOFE before
writing a one to UHCON.RESUME to enter the Ready state, else UHCON.RESUME will have no
effect.
A control transaction is composed of three stages:
The user has to change the pipe token according to each stage.
For the control pipe, and only for it, each token is assigned a specific initial data toggle
sequence:
IN packets are sent by the USB device controller upon IN requests from the host. All the data
can be read which acknowledges or not the bank when it is empty.
The pipe must be configured first.
When the host requires data from the device, the user has to select beforehand the IN request
mode with the IN Request Mode bit in the Pipe n IN Request register (UPINRQn.INMODE):
The generation of IN requests starts when the pipe is unfrozen (the Pipe Freeze (PFREEZE)
field in UPCONn is zero).
The Received IN Data Interrupt (RXINI) bit in UPSTAn is set at the same time as the FIFO Con-
trol (FIFOCON) bit in UPCONn when the current bank is full. This triggers a PnINT interrupt if the
Received IN Data Interrupt Enable (RXINE) bit in UPCONn is one.
RXINI shall be cleared by software (by writing a one to the Received IN Data Interrupt Clear bit
in the Pipe n Control Clear register(UPCONnCLR.RXINIC)) to acknowledge the interrupt, what
has no effect on the pipe FIFO.
• SETUP
• Data (IN or OUT)
• Status (OUT or IN)
• SETUP: Data0
• IN: Data1
• OUT: Data1
• When INMODE is written to zero, the USBB will perform (INRQ + 1) IN requests before
• When INMODE is written to one, the USBB will perform IN requests endlessly when the pipe
freezing the pipe.
is not frozen by the user.
383
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