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ATXMEGA128A1-AU 데이터시트(PDF) 15 Page - ATMEL Corporation

부품명 ATXMEGA128A1-AU
상세설명  8/16-bit XMEGA A1 Microcontroller
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

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15
8067I–AVR–04/09
XMEGA A1
7.7
Flash and EEPROM Page Size
The Flash Program Memory and EEPROM data memory is organized in pages. The pages are
word accessible for the Flash and byte accessible for the EEPROM.
Table 7-2 on page 15 shows the Flash Program Memory organization. Flash write and erase
operations are performed on one page at a time, while reading the Flash is done one byte at a
time. For Flash access the Z-pointer (Z[m:n]) is used for addressing. The most significant bits in
the address (FPAGE) gives the page number and the least significant address bits (FWORD)
gives the word in the page.
Table 7-2.
Number of words and Pages in the Flash.
Table 7-3 on page 15 shows EEPROM memory organization for the XMEGA A1 devices.
EEPROM write and erase operations can be performed one page or one byte at a time, while
reading the EEPROM is done one byte at a time. For EEPROM access the NVM Address Regis-
ter (ADDR[m:n]) is used for addressing. The most significant bits in the address (E2PAGE) gives
the page number and the least significant address bits (E2BYTE) gives the byte in the page.
Table 7-3.
Number of Bytes and Pages in the EEPROM.
Devices
Flash
Page Size
FWORD
FPAGE
Application
Boot
Size (Bytes)
(words)
Size (Bytes)
No of Pages
Size (Bytes)
No of Pages
ATxmega64A1
64K + 4K
128
Z[7:1]
Z[16:8]
64K
256
4K
16
ATxmega128A1
128K + 8K
256
Z[8:1]
Z[17:9]
128K
256
8K
16
ATxmega192A1
192K + 8K
256
Z[8:1]
Z[18:9]
192K
384
8K
16
ATxmega256A1
256K + 8K
256
Z[8:1]
Z[18:9]
256K
512
8K
16
ATxmega384A1
384K + 8K
256
Z[8:1]
Z[19:9]
384K
768
8K
16
Devices
EEPROM
Page Size
E2BYTE
E2PAGE
No of Pages
Size
(Bytes)
ATxmega64A1
2 KB
32
ADDR[4:0]
ADDR[10:5]
64
ATxmega128A1
2 KB
32
ADDR[4:0]
ADDR[10:5]
64
ATxmega192A1
2 KB
32
ADDR[4:0]
ADDR[10:5]
64
ATxmega256A1
4 KB
32
ADDR[4:0]
ADDR[11:5]
128
ATxmega384A1
4 KB
32
ADDR[4:0]
ADDR[11:5]
128


유사한 부품 번호 - ATXMEGA128A1-AU

제조업체부품명데이터시트상세설명
logo
ATMEL Corporation
ATXMEGA128A1-AU ATMEL-ATXMEGA128A1-AU Datasheet
1Mb / 82P
   8/16-bit XMEGA A1 Microcontroller
ATXMEGA128A1-AU ATMEL-ATXMEGA128A1-AU Datasheet
3Mb / 107P
   8/16-bit XMEGA A1 Microcontroller
More results

유사한 설명 - ATXMEGA128A1-AU

제조업체부품명데이터시트상세설명
logo
ATMEL Corporation
ATXMEGA128A1 ATMEL-ATXMEGA128A1_14 Datasheet
2Mb / 122P
   8/16-bit XMEGA A1 Microcontroller
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ATXMEGA384A1 ATMEL-ATXMEGA384A1_10 Datasheet
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ATXMEGA256A3B ATMEL-ATXMEGA256A3B_10 Datasheet
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ATXMEGA256A3 ATMEL-ATXMEGA256A3_09 Datasheet
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ATXMEGA256A3_1012 ATMEL-ATXMEGA256A3_1012 Datasheet
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ATXMEGA256A3B ATMEL-ATXMEGA256A3B Datasheet
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ATXMEGA256A3B ATMEL-ATXMEGA256A3B_09 Datasheet
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