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AT90USB646 Fiches technique(PDF) 21 Page - ATMEL Corporation

No de pièce AT90USB646
Description  Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  434 Pages
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Fabricant  ATMEL [ATMEL Corporation]
Site Internet  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Fiches technique(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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