SAM3X8E Atmel Corporation, SAM3X8E Datasheet - Page 47

• Manufacturer Part Number: SAM3X8E
• Manufacturer: Atmel Corporation

10.10 Real Time Clock
10.11 General-Purpose Backup Registers
10.12 Nested Vectored Interrupt Controller
10.13 Chip Identification
11057AS–ATARM–10-Feb-12
11057AS–ATARM–10-Feb-12
Table 10-1.
• Low power consumption
• Full asynchronous design
• Two hundred year calendar
• Programmable Periodic Interrupt
• Alarm and update parallel load
• Control of alarm and update Time/Calendar Data In
• Eight 32-bit general-purpose backup registers
• Thirty maskable interrupts
• Sixteen priority levels
• Dynamic reprioritization of interrupts
• Priority grouping
• Support for tail-chaining and late arrival of interrupts.
• Processor state automatically saved on interrupt entry, and restored on interrupt exit, with no
• Chip Identifier (CHIPID) registers permit recognition of the device and its revision.
• .JTAG ID: 0x05B2B03F
instruction overhead.
– selection of preempting interrupt levels and non preempting interrupt levels.
– back-to-back interrupt processing without the overhead of state saving and
ATSAM3X8H (Rev A)
ATSAM3X8E (Rev A)
ATSAM3X4E (Rev A)
ATSAM3X8C (Rev A)
ATSAM3X4C (Rev A)
ATSAM3A8C (Rev A)
ATSAM3A4C (Rev A)
restoration between interrupts.
Chip Name
ATSAM3A/X Chip IDs Register
CHIPID_CIDR
0x286E0A60
0x285E0A60
0x284E0A60
0x283E0A60
0x285B0960
0x284B0960
0x283B0960
CHIPID_EXID
0x0
0x0
0x0
0x0
0x0
0x0
0x0
SAM3X/A
SAM3X/A
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