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AT90USB646 Datenblatt(PDF) 21 Page - ATMEL Corporation

Teilenummer AT90USB646
Bauteilbeschribung  Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  434 Pages
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Hersteller  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Datenblatt(HTML) 21 Page - ATMEL Corporation

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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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