AT32UC3A4128 Atmel Corporation, AT32UC3A4128 Datasheet - Page 318
AT32UC3A4128
Manufacturer Part Number
AT32UC3A4128
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 AT32UC3A4128
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
Hardware Qtouch Acquisition
No
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
Dram Memory
No
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
6
Input Capture Channels
6
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: 318 of 1012
- Download datasheet (16Mb)
32072G–11/2011
Transfer hierarchy:
fers, block transfers, transactions (single or burst), and System Bus transfers (single or burst) for
non-memory peripherals.
Figure 19-2. DMACA Transfer Hierarchy for Non-Memory Peripheral
Figure 19-3. DMACA Transfer Hierarchy for Memory
Block: A block of DMACA data. The amount of data (block length) is determined by the flow
controller. For transfers between the DMACA and memory, a block is broken directly into a
sequence of System Bus bursts and single transfers. For transfers between the DMACA and a
non-memory peripheral, a block is broken into a sequence of DMACA transactions (single and
bursts). These are in turn broken into a sequence of System Bus transfers.
Transaction: A basic unit of a DMACA transfer as determined by either the hardware or soft-
ware handshaking interface. A transaction is only relevant for transfers between the DMACA
and a source or destination peripheral if the source or destination peripheral is a non-memory
device. There are two types of transactions: single and burst.
System Bus
Transaction
Transfer
Burst
Block
Burst
System Bus
Transfer
Burst
Block
System Bus
Transaction
Transfer
Burst
Figure 19-2 on page 318
Burst
Block
System Bus
DMAC Transfer
Figure 19-3 on page 318
Transfer
Burst
Block
DMAC Transfer
System Bus
Transfer
Transaction
Burst
Burst
System Bus
Transfer
Block
Burst
System Bus
illustrates the hierarchy between DMACA trans-
Transfer
Single
Block
shows the transfer hierarchy for memory.
System Bus
Transfer
Single
System Bus
Transaction
Transfer
Single
Single
Block Transfer
Level
System Bus
Transfer Level
DMA Transfer
Level
Block Transfer
Level
DMA Transaction
Level
System Bus
Transfer Level
DMA Transfer
Level
318
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