AT32UC3B064-Z2UR Atmel, AT32UC3B064-Z2UR Datasheet - Page 555
![MCU AVR32 64K FLASH 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
AT32UC3B064-Z2UR
Manufacturer Part Number
AT32UC3B064-Z2UR
Description
MCU AVR32 64K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B064-Z2UR
Package / Case
64-QFN
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
44
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Figure 25-3. GOVRE and OVREn Flag Behavior
32059J–12/2010
OVRE0(SR)
GOVRE(SR)
DRDY(ASR)
CH0(CHSR)
CH1(CHSR)
TRIGGER
EOC0(SR)
EOC1(SR)
LCDR
CRD0
CRD1
Undefined Data
Undefined Data
If the CDR register is not read before further incoming data is converted, the corresponding
Overrun Error bit in the SR register (SR.OVREn) is set.
In the same way, new data converted when DRDY is high sets the General Overrun Error bit in
the SR register (SR.GOVRE).
The OVREn and GOVRE bits are automatically cleared when the SR register is read.
Warning: If the corresponding channel is disabled during a conversion or if it is disabled and
then reenabled during a conversion, its associated data and its corresponding EOC and OVRE
flags in SR are unpredictable.
Conversion
Undefined Data
Conversion
Data A
Data A
Data B
Conversion
Data B
Data C
AT32UC3B
Data C
Read CDR1
Read CDR0
Read SR
555
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