AT32UC3B0256-A2UR Atmel, AT32UC3B0256-A2UR Datasheet - Page 271
![MCU AVR32 256K FLASH 64-TQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT32UC3B0256-A2UR
Manufacturer Part Number
AT32UC3B0256-A2UR
Description
MCU AVR32 256K FLASH 64-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B1512-Z1UT.pdf
(692 pages)
Specifications of AT32UC3B0256-A2UR
Package / Case
64-TQFP, 64-VQFP
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
32K x 8
Program Memory Size
256KB (256K 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
Package
64TQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
60 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
44
Interface Type
I2S/SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Manufacturer
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Figure 20-13. Transmit and Receive Frame Format in Edge/Pulse Start Modes
32059K–03/2011
RX_FRAME_SYNC
TX_FRAME_SYNC
(If FSDEN = 1)
(If FSDEN = 0)
RX_DATA
TX_DATA
TX_DATA
/
Start
(1)
Table 20-3.
Note:
Figure 20-14. Transmit Frame Format in Continuous Mode
Note:
Transmitter
From TSHR
Sync Data
Sync Data
To RSHR
TFMR
TFMR
TFMR
TFMR
TFMR
TFMR
FSLEN
Example of input on falling edge of TX_FRAME_SYNC/RX_FRAME_SYNC.
STTDLY is written to zero. In this example, THR is loaded twice. FSDEN value has no effect on the
transmission. SyncData cannot be output in continuous mode.
From DATDEF
STTDLY
Default
Data Framing Format Registers
From DATDEF
Receiver
Default
Ignored
RFMR
RFMR
RFMR
RFMR
TX_DATA
Start: 1. TXEMPTY set to one
{FSLENHI,FSLEN}
From THR
2. Write into the THR
From THR
DATLEN
Start
To RHR
Bit/Field
DATLEN
DATDEF
Data
Data
Data
FSDEN
PERIOD
DATNB
MSBF
From THR
DATLEN
Data
DATNB
From THR
Up to 256
From THR
DATLEN
Up to 16
Up to 32
From THR
Length
DATLEN
To RHR
Data
Data
Data
Data
Number of words transmitted in
frame
Size of word
Size of Synchro data register
Most significant bit first
Enable send TSHR
Data default value ended
From DATDEF
Default
Ignored
Default
Start
From DATDEF
Comment
Default
AT32UC3B
Sync Data
Sync Data
271
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