Interrupts |
External
interrupts 0-32 |
28 |
Data endianness |
Little-endian or big-endian |
Little-endian |
SysTick timer |
Present or absent |
Present |
Number of watchpoint comparators |
0, 1, 2 |
2 |
Number of breakpoint comparators |
0, 1, 2, 3, 4 |
4 |
Halting debug support |
Present or absent |
Present |
Multiplier |
Fast or small |
Fast (single cycle) |
Single-cycle I/O port |
Present or absent |
Present |
Wake-up interrupt controller |
Supported or not supported |
Not supported |
Vector Table Offset Register |
Present or absent |
Present |
Unprivileged/Privileged support |
Present or absent |
Absent(1) |
Memory Protection Unit |
Not present or 8-region |
Not present |
Reset all registers |
Present or absent |
Absent |
Instruction fetch width |
16-bit only or mostly 32-bit |
32-bit |