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AT90USB646 데이터시트(PDF) 21 Page - ATMEL Corporation

부품명 AT90USB646
상세설명  Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  434 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 데이터시트(HTML) 21 Page - ATMEL Corporation

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21
7593A–AVR–02/06
AT90USB64/128
Figure 5-2.
Data Memory Map
5.2.1
Data Memory Access Times
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
CPU cycles as described in Figure 5-3.
32 R
egisters
64 I/O
R
egisters
I
nternal S RAM
(8192
x 8)
$0000 - $001F
$0020 - $005F
$FFFF
$0060 - $00FF
D
ata Memory
E
xternal S RAM
(0 - 64K
x 8)
160 E
xt I/O
R
eg.
XMem start
ISRAM end
ISRAM start



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