AT32UC3B0512-A2UT Atmel, AT32UC3B0512-A2UT Datasheet - Page 452
![IC MCU AVR32 512K FLASH 64TQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT32UC3B0512-A2UT
Manufacturer Part Number
AT32UC3B0512-A2UT
Description
IC MCU AVR32 512K FLASH 64TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B0512-A2UT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
44
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
96K 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
64-TQFP, 64-VQFP
Controller Family/series
AT32UC3B
No. Of I/o's
44
Ram Memory Size
96KB
Cpu Speed
60MHz
No. Of Timers
1
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3B0512-A2UT
Manufacturer:
MURATA
Quantity:
11 450
Part Number:
AT32UC3B0512-A2UT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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22.8.2.20
Register Name:
Access Type:
Offset:
Reset Value:
•
•
•
•
•
•
32059I–06/2010
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
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
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
When programming a DMA by descriptor (Load next descriptor now), the CHACTIVE bit is set only once the DMA is running
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
1: the DMA channel is currently enabled and transfers data upon request.
If a channel request is currently serviced when the UDDMAnCONTROL.CHEN bit is written to zero, the DMA FIFO buffer is
UDDMAnCONTROL.BUFFCLOSEINEN is one.
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.
(the endpoint is free for IN transaction, the endpoint is full for OUT transaction).
bit is zero.
drained until it is empty, then this status bit is cleared.
Device DMA Channel n Status Register
DESCLD
STA
30
22
14
6
-
UDDMAnSTATUS, n in [1..6]
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
25
17
9
1
-
AT32UC3B
CHEN
24
16
8
0
-
452
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