AT32UC3A3256S Atmel Corporation, AT32UC3A3256S Datasheet - Page 826
AT32UC3A3256S
Manufacturer Part Number
AT32UC3A3256S
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 AT32UC3A3256S
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
AES
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A3256S-ALUT
Manufacturer:
MOLEX
Quantity:
20 000
Part Number:
AT32UC3A3256S-U
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 826 of 1012
- Download datasheet (16Mb)
Figure 30-11. Write Functional Flow Diagram
32072G–11/2011
Write the BlockLenght in the MR.BLKLEN field
Write the block count in the BLKR.BCNT field (if
Number of words to write = BlockLength/4
Write Data to transmit in the TDR register
Write a zero in the DMA.DMAEN bit
Number of words to write = 0 ?
Send WRITE_SINGLE_BLOCK
Number of words to write - 1
Number of words to write =
Read the SR register
Note:
SR.TXRDY = 0 ?
No
command
necessary)
No
1. It is assumed that this command has been correctly sent (see
2. This field is also accessible in BLKR register.
(1)
No
Send SET_BLOCKLEN command
Send SELECT/DESELECT_CARD
Yes
Command
(2)
Yes
RETURN
Write using DMA
(1)
to select the card
write the (MR.BLKLEN)/4 for Transfer Size in the
Write the BlockLenght in the MR.BLKLEN field
(1)
write the Data Adress in the DMA Controller
Yes
Send WRITE_SINGLE_BLOCK
Write a one in the DMA.DMAEN bit
Configure the DMA channel X
Enable the DMA channel X
Read the SR register
SR.NOTBUSY = 0 ?
DMA Controller
command
RETURN
(1)
No
Figure 30-9 on page
Yes
(2)
822).
826
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