AT32UC3B1128-AUT Atmel, AT32UC3B1128-AUT Datasheet - Page 450
![IC MCU AVR32 128KB FLASH 48-TQFP](/photos/6/82/68248/313-48-vqfp_sml.jpg)
AT32UC3B1128-AUT
Manufacturer Part Number
AT32UC3B1128-AUT
Description
IC MCU AVR32 128KB FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B1128-AUT
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
28
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Package
48TQFP
Device Core
AVR32
Family Name
AT32
Maximum Speed
60 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
28
Interface Type
I2S/SPI/TWI/USART/USB
On-chip Adc
6-chx10-bit
Number Of Timers
3
For Use With
ATSTK600-TQFP48 - STK600 SOCKET/ADAPTER 48-TQFPATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1101 - KIT DEV/EVAL FOR AVR32 AT32UC3B
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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22.8.2.20
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
32059K–03/2011
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..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
-
450
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