ATEVK1105 Atmel, ATEVK1105 Datasheet - Page 398
ATEVK1105
Manufacturer Part Number
ATEVK1105
Description
KIT EVAL FOR AT32UC3A0
Manufacturer
Atmel
Series
AVR®32r
Type
MCUr
Datasheets
1.ATAVRONE-PROBECBL.pdf
(16 pages)
2.ATEVK1104.pdf
(826 pages)
3.ATEVK1105.pdf
(28 pages)
Specifications of ATEVK1105
Contents
Evaluation Board, Software and Documentation
Processor To Be Evaluated
AT32UC3A0512
Processor Series
AVR
Data Bus Width
32 bit
Interface Type
USART, TWI, USB, SPI, Ethernet
Operating Supply Voltage
3.3 V
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
AVR UC3
Silicon Core Number
AT32UC3A0512
Silicon Family Name
AVR
Kit Contents
Board CD Docs
Rohs Compliant
Yes
For Use With/related Products
AT32UC3A0
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 398 of 826
- Download datasheet (20Mb)
27.6.8
27.6.8.1
Figure 27-32. Read/write Cycles in Slow Clock Mode
32058J–AVR32–04/11
NBS0, NBS1,
A0, A1
CLK_SMC
A[25:2]
NWE
NCS
Slow Clock Mode
Slow Clock Mode Waveforms
SLOW CLOCK MODE WRITE
1
NWE_CYCLES = 3
The SMC is able to automatically apply a set of “slow clock mode” read/write waveforms when
an internal signal driven by the Power Management Controller is asserted because CLK_SMC
has been turned to a very slow clock rate (typically 32kHz clock rate). In this mode, the user-pro-
grammed waveforms are ignored and the slow clock mode waveforms are applied. This mode is
provided so as to avoid reprogramming the User Interface with appropriate waveforms at very
slow clock rate. When activated, the slow mode is active on all chip selects.
Figure 27-32
chip selects. indicates the value of read and write parameters in slow clock mode.
Table 27-4.
Read Parameters
NRD_SETUP
NRD_PULSE
NCS_RD_SETUP
NCS_RD_PULSE
NRD_CYCLE
1
illustrates the read and write operations in slow clock mode. They are valid on all
Read and Write Timing Parameters in Slow Clock Mode
1
Duration (cycles)
0
2
1
1
2
Write Parameters
NWE_SETUP
NWE_PULSE
NCS_WR_SETUP
NCS_WR_PULSE
NWE_CYCLE
NBS0, NBS1,
A0, A1
CLK_SMC
A[25:2]
NRD
NCS
SLOW CLOCK MODE READ
NRD_CYCLES = 2
1
Duration (cycles)
AT32UC3A
1
1
0
3
3
1
398
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