Microchip Technology /ATSAMD51J20A /SystemControl /CCR

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Interpret as CCR

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (NONBASETHRDENA)NONBASETHRDENA 0 (USERSETMPEND)USERSETMPEND 0 (VALUE_0)UNALIGN_TRP 0 (DIV_0_TRP)DIV_0_TRP 0 (BFHFNMIGN)BFHFNMIGN 0 (VALUE_0)STKALIGN

STKALIGN=VALUE_0, UNALIGN_TRP=VALUE_0

Description

Configuration and Control Register

Fields

NONBASETHRDENA

Indicates how processor enters Thread mode

USERSETMPEND

Enables unprivileged software access to STIR register

UNALIGN_TRP

Enables unaligned access traps

0 (VALUE_0): Do not trap unaligned halfword and word accesses

1 (VALUE_1): Trap unaligned halfword and word accesses

DIV_0_TRP

Enables divide by 0 trap

BFHFNMIGN

Ignore LDM/STM BusFault for -1/-2 priority handlers

STKALIGN

Indicates stack alignment on exception entry

0 (VALUE_0): 4-byte aligned

1 (VALUE_1): 8-byte aligned

Links

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