ATEVK1104 Atmel, ATEVK1104 Datasheet - Page 323
![KIT DEV/EVAL FOR AVR32 AT32UC3A](/photos/9/20/92035/atevk1104_sml.jpg)
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: 323 of 826
- Download datasheet (20Mb)
Figure 26-24. Receiver Time-out Block Diagram
32058J–AVR32–04/11
RETTO
Character
Received
STTTO
• Obtain an interrupt while no character is received. This is performed by writing CR with the
If STTTO is performed, the counter clock is stopped until a first character is received. The idle
state on RXD before the start of the frame does not provide a time-out. This prevents having to
obtain a periodic interrupt and enables a wait of the end of frame when the idle state on RXD is
detected.
If RETTO is performed, the counter starts counting down immediately from the value TO. This
enables generation of a periodic interrupt so that a user time-out can be handled, for example
when no key is pressed on a keyboard.
Figure 26-24 on page 323
Table 26-8 on page 323
Table 26-8.
handle an interrupt before a character is received and allows waiting for the next idle state on
RXD after a frame is received.
RETTO (Reload and Start Time-out) bit at 1. If RETTO is performed, the counter starts
counting down immediately from the value TO. This enables generation of a periodic interrupt
so that a user time-out can be handled, for example when no key is pressed on a keyboard.
1
D
Baud Rate
200000
bit/sec
14400
19200
28800
33400
56000
57600
1 200
2 400
4 800
9 600
Clear
600
Q
Baud Rate
Maximum Time-out Period
Clock
gives the maximum time-out period for some standard baud rates.
shows the block diagram of the Receiver Time-out feature.
Clock
16-bit Time-out
Counter
TO
Bit Time
1 667
Load
833
417
208
104
µs
69
52
35
30
18
17
5
16-bit
Value
0
=
TIMEOUT
Time-out
109 225
AT32UC3A
54 613
27 306
13 653
6 827
4 551
3 413
2 276
1 962
1 170
1 138
328
ms
323
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