ATEVK1104 Atmel, ATEVK1104 Datasheet - Page 244
![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: 244 of 826
- Download datasheet (20Mb)
24.13.7
24.13.7.1
Figure 24-28. Repeated Start + Reversal from Read to Write Mode
24.13.7.2
Figure 24-29. Repeated Start + Reversal from Write to Read Mode
Notes:
32058J-AVR32-04/11
TWI_RHR
TWI_RHR
TWI_THR
TWI_THR
TXCOMP
TXCOMP
EOSACC
EOSACC
SVREAD
SVREAD
RXRDY
RXRDY
SVACC
SVACC
TXRDY
TXRDY
TWD
TWD
1. In this case, if THR has not been written at the end of the read command, the clock is automatically stretched before the
2. TXCOMP is only set at the end of the transmission because after the repeated start, SADR is detected again.
Reversal after a Repeated Start
ACK.
Reversal of Read to Write
Reversal of Write to Read
S
S
As soon as a START is detected
As soon as a START is detected
SADR
SADR
The master initiates the communication by a read command and finishes it by a write command.
Figure 24-28 on page 244
1. TXCOMP is only set at the end of the transmission because after the repeated start, SADR is detected again.
The master initiates the communication by a write command and finishes it by a read com-
mand.Figure 24-29 on page 244
mode.
W
R
Read TWI_RHR
A
A
DATA0
DATA0
DATA0
A
A
DATA0
DATA1
DATA1
DATA1
describes the repeated start + reversal from Read to Write mode.
NA
A
describes the repeated start + reversal from Write to Read
DATA1
Sr
Sr
SADR
SADR
Cleared after read
Cleared after read
R
W
DATA2
A
A
DATA2
DATA2
DATA2
A
A
DATA3
AT32UC3A
DATA3
DATA3
DATA3
NA
A
P
P
244
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