AT32UC3C164C Atmel Corporation, AT32UC3C164C Datasheet - Page 893
AT32UC3C164C
Manufacturer Part Number
AT32UC3C164C
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3C0128C.pdf
(1313 pages)
4.AT32UC3C0128C.pdf
(108 pages)
Specifications of AT32UC3C164C
Flash (kbytes)
64 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
81
Ext Interrupts
100
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device + OTG
Spi
7
Twi (i2c)
3
Uart
5
Can
2
Lin
5
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
2000
Analog Comparators
4
Resistive Touch Screen
No
Dac Channels
4
Dac Resolution (bits)
12
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
20
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 to 3.6 or 4.5 to 5.5
Operating Voltage (vcc)
3.0 to 3.6 or 4.5 to 5.5
Fpu
Yes
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
22
Input Capture Channels
12
Pwm Channels
19
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3C164C-AUR
Manufacturer:
ATMEL
Quantity:
1 240
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3C0128C PDF datasheet #3
- AT32UC3C0128C PDF datasheet #4
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- Download datasheet (20Mb)
32.6.3.4
32.6.3.5
32.6.3.6
32117C–AVR-08/11
USB reset
Pipe activation
Address setup
Figure 32-17. USB Communication Flow
In host mode, the USBC associates a pipe to a device endpoint, according to the device config-
uration descriptors.
The USBC sends a USB reset signal when the user writes a one to the Send USB Reset bit
(UHCON.RESET). When the USB reset has been sent, the USB Reset Sent Interrupt bit in the
Host Global Interrupt register (UHINT.RSTI) is set and all the pipes will be disabled.
If the bus was previously in a suspended state (UHCON.SOFE is zero) the USBC will switch it to
the Resume state, causing the bus to asynchronously trigger the Host Wakeup Interrupt
(UHINT.HWUPI). The SOFE bit will be set in order to generate SOF’s immediately after the USB
reset.
A disabled pipe is inactive, and will be reset along with its context registers (UPCONn, UPSTAn,
UPINRQn, and UPCFGn). Enabling a pipe is done by writing a one to the Pipe n Enable bit in
the Pipe Enable/Reset Register (UPRST.PENn).
When starting an enumeration, the user gets the device descriptor by sending an
GET_DESCRIPTOR USB request. This descriptor contains the maximal packet size of the
device default control endpoint (bMaxPacketSize0) which the user should use to reconfigure the
size of the default control pipe.
Once the device has answered the first host requests with the default device address 0, the host
assigns a new address to the device. The host controller has to send a USB reset to the device
and a SET_ADDRESS(addr) SETUP request with the new address to be used by the device.
Once this SETUP transaction is over, the user writes to the device address field in the “control
a n d s t a t u s 1 o f e n d p o i n t n ” w o r d o f t h e h o s t ’ s p i p e n i n t h e U S B d e s c r i p t o r
(Pn_CTR_STA1.PDADDR). All following requests by this pipe will be performed using this new
address.
AT32UC3C
893
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