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AT90USB646 Folha de dados(PDF) 21 Page - ATMEL Corporation

Nome de Peças AT90USB646
Descrição Electrónicos  Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  434 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Folha de dados(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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