AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 591
AT32UC3A3256
Manufacturer Part Number
AT32UC3A3256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A3256
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
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
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)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 591 of 1012
- Download datasheet (16Mb)
• MODE9: 9-bit Character Length
• MSBF/CPOL: Bit Order or SPI Clock Polarity
• CHMODE: Channel Mode
Table 25-17.
• NBSTOP: Number of Stop Bits
Table 25-18.
• PAR: Parity Type
Table 25-19.
• SYNC/CPHA: Synchronous Mode Select or SPI Clock Phase
32072G–11/2011
0
0
1
1
0
0
1
1
0
0
0
0
1
1
CHMODE
NBSTOP
0: CHRL defines character length.
1: 9-bit character length.
If USART does not operate in SPI Mode:
MSBF=0: Least Significant Bit is sent/received first.
MSBF=1: Most Significant Bit is sent/received first.
If USART operates in SPI Mode, CPOL is used with CPHA to produce the required clock/data relationship between devices.
CPOL=0: The inactive state value of CLK is logic level zero.
CPOL=1: The inactive state value of CLK is logic level one.
If USART does not operate in SPI Mode (MODE is … 0xE and 0xF):
SYNC = 0: USART operates in Asynchronous Mode.
SYNC = 1: USART operates in Synchronous Mode.
If USART operates in SPI Mode, CPHA determines which edge of CLK causes data to change and which edge causes data to
be captured. CPHA is used with CPOL to produce the required clock/data relationship between master and slave devices.
CPHA = 0: Data is changed on the leading edge of CLK and captured on the following edge of CLK.
PAR
0
1
0
1
0
1
0
1
0
0
1
1
0
1
Mode Description
Normal Mode
Automatic Echo. Receiver input is connected to the TXD pin.
Local Loopback. Transmitter output is connected to the Receiver input.
Remote Loopback. RXD pin is internally connected to the TXD pin.
Asynchronous (SYNC=0)
1 stop bit
1.5 stop bits
2 stop bits
Reserved
0
1
0
1
x
x
Parity Type
Even parity
Odd parity
Parity forced to 0 (Space)
Parity forced to 1 (Mark)
No parity
Multidrop mode
Synchronous (SYNC=1)
1 stop bit
Reserved
2 stop bits
Reserved
591
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