AT32UC3A0256 Atmel Corporation, AT32UC3A0256 Datasheet - Page 271

• Manufacturer Part Number: AT32UC3A0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A0256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 109
• Ext Interrupts: 109
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Ethernet: 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): 64
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: sdram
• 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

32058K AVR32-01/12
Table 25-3.
Figure 25-13. Transmit and Receive Frame Format in Edge/Pulse Start Modes
Note:
Transmitter
TFMR
TFMR
TFMR
TFMR
TFMR
TFMR
TCMR
TCMR
1. Example of input on falling edge of TX_FRAME_SYNC/RX_FRAME_SYNC.
TX_FRAME_SYNC
RX_FRAME_SYNC
Data Frame Registers
(If FSDEN = 1)
(If FSDEN = 0)
RX_DATA
TX_DATA
TX_DATA
Receiver
RFMR
RFMR
RFMR
RFMR
RCMR
RCMR
/
Start
(1)
From TSHR
Sync Data
Sync Data
To RSHR
FSLEN
From DATDEF
STTDLY
Default
Field
DATLEN
DATNB
MSBF
FSLEN
DATDEF
FSDEN
PERIOD
STTDLY
From DATDEF
Ignored
Default
Length
Up to 32
Up to 16
Up to 16
0 or 1
Up to 512
Up to 255
From THR
From THR
DATLEN
To RHR
Data
Data
Data
PERIOD
DATNB
From THR
From THR
DATLEN
To RHR
Data
Data
Data
Comment
Size of word
Number of words transmitted in frame
Most significant bit first
Size of Synchro data register
Data default value ended
Enable send TSHR
Frame size
Size of transmit start delay
From DATDEF
Default
Ignored
Start
From DATDEF
Default
Sync Data
Sync Data
AT32UC3A
271