ATEVK1104 Atmel, ATEVK1104 Datasheet - Page 392
![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: 392 of 826
- Download datasheet (20Mb)
Figure 27-26. TDF Mode = 0: TDF wait states between read and write accesses on the same chip select.
27.6.7
27.6.7.1
32058J–AVR32–04/11
Write2 controlling
Read1 controlling
NBS0, NBS1,
signal(NWE)
signal(NRD)
CLK_SMC
A0, A1
A[25:2]
D[15:0]
External Wait
Restriction
TDF_CYCLES = 5
Any access can be extended by an external device using the NWAIT input signal of the SMC.
The EXNW_MODE field of the MODE register on the corresponding chip select must be set to
either to “10” (frozen mode) or “11” (ready mode). When the EXNW_MODE is set to “00” (dis-
abled), the NWAIT signal is simply ignored on the corresponding chip select. The NWAIT signal
delays the read or write operation in regards to the read or write controlling signal, depending on
the read and write modes of the corresponding chip select.
When one of the EXNW_MODE is enabled, it is mandatory to program at least one hold
cycle for the read/write controlling signal. For that reason, the NWAIT signal cannot be
used in Page Mode
(”Slow Clock Mode” on page
The NWAIT signal is assumed to be a response of the external device to the read/write
request of the SMC. Then NWAIT is examined by the SMC only in the pulse state of the
read or write controlling signal. The assertion of the NWAIT signal outside the expected
period has no impact on SMC behavior.
Read1 cycle
Read1 hold = 1
Read to Write
(”Asynchronous Page Mode” on page
Wait State
TDF_CYCLES = 5
398).
4 TDF WAIT STATES
400), or in Slow Clock Mode
Write2 setup = 1
(optimization disabled)
TDF_MODE=0
Write 2 cycle
AT32UC3A
392
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