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AT90CAN32 数据表(PDF) 21 Page - ATMEL Corporation

部件名 AT90CAN32
功能描述  Non volatile Program and Data Memories
PDF  428 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

AT90CAN32 数据表(HTML) 21 Page - ATMEL Corporation

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7679H–CAN–08/08
AT90CAN32/64/128
Figure 4-2.
Data Memory Map
4.2.2
SRAM Data 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 4-3.
Figure 4-3.
On-chip Data SRAM Access Cycles
32 Registers
64 I/O Registers
Internal SRAM
(ISRAM size)
0x0000 - 0x001F
0x0020 - 0x005F
XMem start
ISRAM end
0xFFFF
0x0060 - 0x00FF
Data Memory
External SRAM
(XMem size)
160 Ext I/O Reg.
ISRAM start
clk
WR
RD
Data
Data
Address
Address valid
T1
T2
T3
Compute Address
CPU
Memory Access Instruction
Next Instruction



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