AT32UC3B0512-A2UT Atmel, AT32UC3B0512-A2UT Datasheet - Page 552
AT32UC3B0512-A2UT
Manufacturer Part Number
AT32UC3B0512-A2UT
Description
IC MCU AVR32 512K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B0512-A2UT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
44
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
96K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Controller Family/series
AT32UC3B
No. Of I/o's
44
Ram Memory Size
96KB
Cpu Speed
60MHz
No. Of Timers
1
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3B0512-A2UT
Manufacturer:
MURATA
Quantity:
11 450
Part Number:
AT32UC3B0512-A2UT
Manufacturer:
ATMEL/爱特梅尔
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20 000
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25.6.4
Figure 25-2. EOCn and DRDY Flag Behavior
32059K–03/2011
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
AT32UC3B
Read LCDR
552
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