AT32UC3A364-ALUT Atmel, AT32UC3A364-ALUT Datasheet - Page 131
AT32UC3A364-ALUT
Manufacturer Part Number
AT32UC3A364-ALUT
Description
IC MCU 64KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A364-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number Of I /o
110
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
128K 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
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
96 KB
Interface Type
IrDA/SCI/SCIF/UDI
Maximum Clock Frequency
66 MHz
Number Of Timers
3
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL, KSK-EVK1100-PL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1104
Minimum Operating Temperature
- 40 C
Controller Family/series
AT32UC3A
No. Of I/o's
110
Ram Memory Size
64KB
Cpu Speed
66MHz
No. Of Timers
2
Rohs Compliant
Yes
For Use With
ATEVK1104 - KIT DEV/EVAL FOR AVR32 AT32UC3AATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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12.4.5
12.4.6
32072C–AVR32–2010/03
Quick Page Read
Write page buffer operations
The flash controller supports flash blocks with up to 2^21 word addresses, as displayed in
12-1. Reading the memory space between address pw and 2^21-1 returns an undefined result.
The User page is permanently mapped to word address 2^21.
Table 12-1.
Figure 12-1.
A dedicated command, Quick Page Read (QPR), is provided to read all words in an addressed
page. All bits in all words in this page are AND’ed together, returning a 1-bit result. This result is
placed in the Quick Page Read Result (QPRR) bit in Flash Status Register (FSR). The QPR
command is useful to check that a page is in an erased state. The QPR instruction is much
faster than performing the erased-page check using a regular software subroutine.
The internal memory area reserved for the embedded flash can also be written through a write-
only page buffer. The page buffer is addressed only by the address bits required to address w
words (since the page buffer is word addressable) and thus wrap around within the internal
memory area address space and appear to be repeated within it.
When writing to the page buffer, the PAGEN field in the FCMD register is updated with the page
number corresponding to page address of the latest word written into the page buffer.
Memory type
Main array
User
User page addresses
Memory map for the Flash memories
2 ^ 2 1 + 1 2 8
A ll a d d r e s s e s a r e w o r d a d d r e s s e s
Start address, byte sized
0
2^23 = 8388608
p w - 1
2 ^ 2 1
p w
F la s h w it h
e x t r a p a g e
0
U n u s e d
U s e r p a g e
Size
pw words = 4pw bytes
128 words = 512 bytes
AT32UC3A3/A4
Figure
131
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