AT32UC3A3128-ALUT Atmel, AT32UC3A3128-ALUT Datasheet - Page 721
![IC MCU 128KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
AT32UC3A3128-ALUT
Manufacturer Part Number
AT32UC3A3128-ALUT
Description
IC MCU 128KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A3128-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number Of I /o
110
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
96 KB
Interface Type
IrDA/SCI/SCIF/UDI
Maximum Clock Frequency
66 MHz
Number Of Timers
3
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL, KSK-EVK1100-PL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1104
Minimum Operating Temperature
- 40 C
Controller Family/series
AT32UC3A
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
66MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
ATEVK1104 - KIT DEV/EVAL FOR AVR32 AT32UC3AATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A3128-ALUT
Manufacturer:
Atmel
Quantity:
135
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26.8.2.20
Register Name:
Access Type:
Offset:
Reset Value:
• CHBYTECNT: Channel Byte Count
• DESCLDSTA: Descriptor Loaded Status
• EOCHBUFFSTA: End of Channel Buffer Status
• EOTSTA: End of USB Transfer Status
• CHACTIVE: Channel Active
• CHEN: Channel Enabled
32072C–AVR32–2010/03
31
23
15
7
-
-
This field contains the current number of bytes still to be transferred for this buffer.
This field is decremented at each dma access.
This field is reliable (stable) only if the CHEN bit is zero.
This bit is set when a Descriptor has been loaded from the HSB bus.
This bit is cleared when read by the user.
This bit is set when the Channel Byte Count counts down to zero.
This bit is automatically cleared when read by software.
This bit is set when the completion of the usb data transfer has closed the dma transfer. It is valid only if
UDDMAnCONTROL.BUFFCLOSEINEN is one.
This bit is automatically cleared when read by software.
0: the DMA channel is no longer trying to source the packet data.
1: the DMA channel is currently trying to source packet data, i.e. selected as the highest-priority requesting channel. When a
packet transfer cannot be completed due to an EOCHBUFFSTA, this bit stays set during the next channel descriptor load (if any)
and potentially until USB packet transfer completion, if allowed by the new descriptor.
When programming a DMA by descriptor (Load next descriptor now), the CHACTIVE bit is set only once the DMA is running
(the endpoint is free for IN transaction, the endpoint is full for OUT transaction).
This bit is set (after one cycle latency) when the L.CHEN is written to one or when the descriptor is loaded.
This bit is cleared when any transfer is ended either due to an elapsed byte count or a USB device initiated transfer end.
0: the DMA channel no longer transfers data, and may load the next descriptor if the UDDMAnCONTROL.LDNXTCHDESCEN
bit is zero.
Device DMA Channel n Status Register
DESCLD
STA
30
22
14
6
-
UDDMAnSTATUS, n in [1..7]
Read/Write
0x031C + (n - 1) * 0x10
0x00000000
EOCHBUFF
STA
29
21
13
5
-
EOTSTA
CHBYTECNT[15:8]
28
20
12
CHBYTECNT[7:0]
4
-
27
19
11
3
-
-
26
18
10
2
-
-
CHACTIVE
AT32UC3A3/A4
25
17
9
1
-
CHEN
24
16
8
0
-
721
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