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AT90USB646 Scheda tecnica(PDF) 21 Page - ATMEL Corporation

Il numero della parte AT90USB646
Spiegazioni elettronici  Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  434 Pages
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Produttore elettronici  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Scheda tecnica(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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