Nuvoton provides a series of powerful and higher integration ARM926EJ-S based 32-bit MCUs—W90X900 series, which runs at 200MHz and provides a plenty of human machine interfaces and connectivity capability.
IAR Embedded Workbench® for ARM provides device support on these levels:
Core support
Instruction set support in compiler, assembler, linker and debuggers
Header/DDF files
Peripheral register names in C/assembler source and debugger as well as device setup configuration files
Flash loader
For on-chip flash or off-chip EVB flash
Project examples
Varies from simple to fairly complex applications