Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
218
If this bit is set to 1, an unaligned access generates a usage fault.
Unaligned LDM, STM, LDRD, and STRD instructions always fault irrespective of whether UNALIGN_TRP is set to 1.
Unaligned LDM, STM, LDRD, and STRD instructions always fault irrespective of whether UNALIGN_TRP is set to 1.
• USERSETMPEND: Unprivileged Software Access
Enables unprivileged software access to the NVIC_STIR, see
:
0: Disable.
1: Enable.
1: Enable.
• NONBASETHRDENA: Thread Mode Enable
Indicates how the processor enters Thread mode:
0: The processor can enter the Thread mode only when no exception is active.
1: The processor can enter the Thread mode from any level under the control of an EXC_RETURN value, see
0: The processor can enter the Thread mode only when no exception is active.
1: The processor can enter the Thread mode from any level under the control of an EXC_RETURN value, see