AT32UC3B0512-A2UT Atmel, AT32UC3B0512-A2UT Datasheet - Page 312
![IC MCU AVR32 512K FLASH 64TQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
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
Company
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
Quantity:
20 000
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32059I–06/2010
the TXSYNH in the THR register. The USART character format is modified and includes sync
information.
The sync waveform is in itself an invalid Manchester waveform as the transition occurs at the
middle of the second bit time. Two distinct sync patterns are used: the command sync and the
data sync. The command sync has a logic one level for one and a half bit times, then a transition
to logic zero for the second one and a half bit times. If the MODSYNC field in the MR register is
set to 1, the next character is a command. If it is set to 0, the next character is a data. When
direct memory access is used, the MODSYNC field can be immediately updated with a modified
character located in memory. To enable this mode, VAR_SYNC field in MR register must be set
to 1. In this case, the MODSYNC field in MR is bypassed and the sync configuration is held in
Figure 21-9. Start Frame Delimiter
Drift Compensation
Drift compensation is available only in 16X oversampling mode. An hardware recovery system
allows a larger clock drift. To enable the hardware system, the bit in the MAN register must be
set. If the RXD edge is one 16X clock cycle from the expected edge, this is considered as nor-
mal jitter and no corrective actions is taken. If the RXD event is between 4 and 2 clock cycles
before the expected edge, then the current period is shortened by one clock cycle. If the RXD
event is between 2 and 3 clock cycles after the expected edge, then the current period is length-
ened by one clock cycle. These intervals are considered to be drift and so corrective actions are
automatically taken.
Manchester
Manchester
Manchester
encoded
encoded
encoded
data
data
data
Preamble Length
Txd
Txd
Txd
is set to 0
SFD
SFD
SFD
DATA
One bit start frame delimiter
start frame delimiter
start frame delimiter
DATA
DATA
Command Sync
Data Sync
AT32UC3B
312
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