AT32UC3B0512AU Atmel Corporation, AT32UC3B0512AU Datasheet - Page 542
AT32UC3B0512AU
Manufacturer Part Number
AT32UC3B0512AU
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A0128AU.pdf
(2 pages)
5.AT32UC3B0128.pdf
(684 pages)
6.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B0512AU
Flash (kbytes)
512 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
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
96
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
Part Number:
AT32UC3B0512AU-Z2U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
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25.6.4
Figure 25-2. EOCn and DRDY Flag Behavior
32059L–AVR32–01/2012
CHn(CHSR)
DRDY(SR)
EOCn(SR)
Conversion Results
With START=1
Write CR
as zero. The two highest bits of the Last Data Converted field in the Last Converted Data Regis-
ter (LCDR.LDATA) will be read as zero too.
Moreover, when a Peripheral DMA channel is connected to the ADC, a 10-bit resolution sets the
transfer request size to 16-bit. Writing a one to the LOWRES bit automatically switches to 8-bit
data transfers. In this case, the destination buffers are optimized.
When a conversion is completed, the resulting 10-bit digital value is stored in the CDR register of
the current channel and in the LCDR register. Channels are enabled by writing a one to the
Channel n Enable bit (CHn) in the CHER register.
The corresponding channel End of Conversion bit in the Status Register (SR.EOCn) and the
Data Ready bit in the SR register (SR.DRDY) are set. In the case of a connected Peripheral
DMA channel, DRDY rising triggers a data transfer request. In any case, either EOC or DRDY
can trigger an interrupt.
Reading one of the CDRn registers clears the corresponding EOC bit. Reading LCDR clears the
DRDY bit and the EOC bit corresponding to the last converted channel.
Conversion Time
Read CDRn
With START=1
Write CR
Conversion Time
Read LCDR
542
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