AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 399
AT32UC3A0512-ALTTA
Manufacturer Part Number
AT32UC3A0512-ALTTA
Description
IC MCU AVR32 512K FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.ATEVK1104.pdf
(826 pages)
Specifications of AT32UC3A0512-ALTTA
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
109
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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27.6.8.2
Figure 27-33. Clock Rate Transition Occurs while the SMC is Performing a Write Operation
32058J–AVR32–04/11
Internal signal from PM
Slow Clock Mode
NBS0, NBS1,
Switching from (to) Slow Clock Mode to (from) Normal Mode
A0, A1
CLK_SMC
This write cycle finishes with the slow clock mode set
A[25:2]
NWE
NCS
Of parameters after the clock rate transition
When switching from slow clock mode to the normal mode, the current slow clock mode transfer
is completed at high clock rate, with the set of slow clock mode parameters.See
page
Figure 27-34
other.
SLOW CLOCK MODE WRITE SLOW CLOCK MODE WRITE
399. The external device may not be fast enough to support such timings.
1
NWE_CYCLE = 3
illustrates the recommended procedure to properly switch from one mode to the
1
1
1
1
Slow clock mode transition is detected:
1
Reload Configuration Wait State
2
NORMAL MODE WRITE
NWE_CYCLE = 7
3
AT32UC3A
Figure 27-33 on
2
399
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