ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 71
ATSAM3S4AA-MU
Manufacturer Part Number
ATSAM3S4AA-MU
Description
IC MCU 32BIT 256KB FLASH 48QFN
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S4AA-MU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 8x10/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATSAM3S4AA-MU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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10.7.1
10.7.2
6500C–ATARM–8-Feb-11
Fault types
Fault escalation and hard faults
Table 10-11
tus register, and the register bit that indicates that the fault has occurred. See
Fault Status Register” on page 181
Table 10-11. Faults
1.
2.
All faults exceptions except for hard fault have configurable exception priority, see
dler Priority Registers” on page
faults, see
Fault
Bus error on a vector read
Fault escalated to a hard fault
MPU mismatch:
Bus error:
Precise data bus error
Imprecise data bus error
Attempt to access a coprocessor
Undefined instruction
Attempt to enter an invalid instruction
set state
Invalid EXC_RETURN value
Illegal unaligned load or store
Divide By 0
• an internally-detected error such as an undefined instruction or an attempt to change state
• attempting to execute an instruction from a memory region marked as Non-Executable
• an MPU fault because of a privilege violation or an attempt to access an unmanaged region.
with a BX instruction
on instruction access
on data access
during exception stacking
during exception unstacking
during exception stacking
during exception unstacking
during instruction prefetch
Occurs on an access to an XN region even if the MPU is disabled.
Attempting to use an instruction set other than the Thumb instruction set.
(2)
“System Handler Control and State Register” on page
shows the types of fault, the handler used for the fault, the corresponding fault sta-
176. Software can disable execution of the handlers for these
for more information about the fault status registers.
Handler
Hard fault
Memory
managem
ent fault
Bus fault
Usage
fault
Bit name
VECTTBL
FORCED
-
IACCVIOL
DACCVIOL
MSTKERR
MUNSKERR
-
STKERR
UNSTKERR
IBUSERR
PRECISERR
IMPRECISER
R
NOCP
UNDEFINSTR
INVSTATE
INVPC
UNALIGNED
DIVBYZERO
SAM3S Preliminary
(1)
179.
Fault status register
“Hard Fault Status
Register” on page 187
-
“Memory Management
Fault Address Register” on
page 188
-
“Bus Fault Status Register”
on page 183
“Usage Fault Status
Register” on page 185
“Configurable
“System Han-
(XN).
71
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