SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 435
SAM3X8E
Manufacturer Part Number
SAM3X8E
Description
Manufacturer
Atmel Corporation
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26.7.3
26.8
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
External Memory Mapping
Interrupt
The SMC has an interrupt line connected to the Nested Vector Interrupt Controller (NVIC). Han-
dling the SMC interrupt requires programming the NVIC before configuring the SMC.
Table 26-3.
Table 26-4.
Note:
The SMC provides up to 24 address lines, A[23:0]. This allows each chip select line to address
up to 16 Mbytes of memory.
If the physical memory device connected on one chip select is smaller than 16 Mbytes, it wraps
around and appears to be repeated within this space. The SMC correctly handles any valid
access to the memory device within the page (see
A[23:0] is only significant for 8-bit memory, A[23:1] is used for 16-bit memory.
0x60000000-0x60FFFFFF
0x61000000-0x61FFFFFF
0x62000000-0x62FFFFFF
0x63000000-0x63FFFFFF
0x64000000-0x64FFFFFF
0x65000000-0x65FFFFFF
0x66000000-0x66FFFFFF
0x67000000-0x67FFFFFF
0x68000000-0x6FFFFFFF
Address
Instance
SMC
1. See
Peripheral IDs
External Memory Mapping
Section 26.16.2 ”NFC Control
ID
9
Use
Chip Select 0 (16 MB)
Chip Select 1
Chip Select 2
Chip Select 3
Chip Select 4
Chip Select 5
Chip Select 6
Chip Select 7
NFC Command Registers
Registers”, i.e., CMD_ADDR description.
Figure
(1)
26-3).
Access
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
SAM3X/A
SAM3X/A
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