ATEVK1104 Atmel, ATEVK1104 Datasheet - Page 312
ATEVK1104
Manufacturer Part Number
ATEVK1104
Description
KIT DEV/EVAL FOR AVR32 AT32UC3A
Manufacturer
Atmel
Series
AVR®32r
Type
MCUr
Datasheets
1.ATAVRONE-PROBECBL.pdf
(16 pages)
2.ATEVK1104.pdf
(826 pages)
3.ATEVK1104.pdf
(90 pages)
4.ATEVK1104.pdf
(6 pages)
5.ATEVK1104.pdf
(12 pages)
Specifications of ATEVK1104
Contents
Evaluation Board, Software and Documentation
Processor To Be Evaluated
AT32UC3A3
Data Bus Width
32 bit
Interface Type
USB, SPI, USART
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
AVR UC3
Silicon Core Number
AT32UC3A3256
Silicon Family Name
AVR
Kit Contents
Board CD Docs
Rohs Compliant
Yes
For Use With/related Products
AT32UC3A3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATEVK1104
Manufacturer:
Atmel
Quantity:
135
- ATAVRONE-PROBECBL PDF datasheet
- ATEVK1104 PDF datasheet #2
- ATEVK1104 PDF datasheet #3
- ATEVK1104 PDF datasheet #4
- ATEVK1104 PDF datasheet #5
- Current page: 312 of 826
- Download datasheet (20Mb)
Figure 26-9. Preamble Patterns, Default Polarity Assumed
32058J–AVR32–04/11
Manchester
Manchester
Manchester
Manchester
encoded
encoded
encoded
encoded
data
data
data
data
fied and includes sync information.
of a user-defined pattern that indicates the beginning of a valid data.
illustrates these patterns. If the start frame delimiter, also known as start bit, is one bit, (ONEBIT
at 1), a logic zero is Manchester encoded and indicates that a new character is being sent seri-
ally on the line. If the start frame delimiter is a synchronization pattern also referred to as sync
(ONEBIT at 0), a sequence of 3 bit times is sent serially on the line to indicate the start of a new
character. The sync waveform is in itself an invalid Manchester waveform as the transition
occurs at the middle of the second bit time. Two distinct sync patterns are used: the command
sync and the data sync. The command sync has a logic one level for one and a half bit times,
then a transition to logic zero for the second one and a half bit times. If the MODSYNC field in
the MR register is set to 1, the next character is a command. If it is set to 0, the next character is
a data. When direct memory access is used, the MODSYNC field can be immediately updated
with a modified character located in memory. To enable this mode, VAR_SYNC field in MR reg-
ister must be set to 1. In this case, the MODSYNC field in MR is bypassed and the sync
configuration is held in the TXSYNH in the THR register. The USART character format is modi-
A start frame delimiter is to be configured using the ONEBIT field in the MR register. It consists
Txd
Txd
Txd
Txd
8 bit width "ZERO_ONE" Preamble
8 bit width "ONE_ZERO" Preamble
8 bit width "ALL_ZERO" Preamble
8 bit width "ALL_ONE" Preamble
SFD
SFD
SFD
SFD
Figure 26-10 on page 313
DATA
DATA
DATA
DATA
AT32UC3A
312
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