AT32UC3A0512-ALUR Atmel, AT32UC3A0512-ALUR Datasheet - Page 378
![MCU 32BIT 512KB FLASH 144-LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
AT32UC3A0512-ALUR
Manufacturer Part Number
AT32UC3A0512-ALUR
Description
MCU 32BIT 512KB FLASH 144-LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A0512-ALUR
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
For Use With
ATEVK1105 - KIT EVAL FOR AT32UC3A0ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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27.6.4.3
27.6.4.4
32058J–AVR32–04/11
– NWE Waveforms
Write Waveforms
NCS Waveforms
Figure 27-12. READ_MODE = 0: Data is sampled by SMC before the rising edge of NCS
The write protocol is similar to the read protocol. It is depicted in
starts with the address setting on the memory address bus.
The NWE signal is characterized by a setup timing, a pulse width and a hold timing.
1. NWE_SETUP: the NWE setup time is defined as the setup of address and data before
2. NWE_PULSE: The NWE pulse length is the time between NWE falling edge and NWE
3. NWE_HOLD: The NWE hold time is defined as the hold time of address and data after
The NWE waveforms apply to all byte-write lines in Byte Write access mode: NWR0 to NWR3.
The NCS signal waveforms in write operation are not the same that those applied in read opera-
tions, but are separately defined:
1. NCS_WR_SETUP: the NCS setup time is defined as the setup time of address before
2. NCS_WR_PULSE: the NCS pulse length is the time between NCS falling edge and NCS
3. NCS_WR_HOLD: the NCS hold time is defined as the hold time of address after the
NBS0, NBS1,
the NWE falling edge;
rising edge;
the NWE rising edge.
the NCS falling edge.
rising edge;
NCS rising edge.
A0, A1
CLK_SMC
D[15:0]
A[25:2]
NRD
NCS
t
PACC
Data Sampling
Figure
27-13. The write cycle
AT32UC3A
378
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