CubeSuite+ Simulator for V850E2 supporting OS Timer V3.02.00

Release Note

R20UT2916EJ0100

Rev.1.00

Page 5 of 9

February 17, 2014

Chapter 4. Cautions

This section describes cautions for using the V850E2 supporting OS Timer simulator. The following two types of caution

are described.

•Cautions for CPU core function

•Cautions for OS Timer

4.1

Cautions for CPU core function

4.1.1 CPU function

The simulator supports as following functions. Other functions are not supported.

- CPU instruction

- Exceptions

- System register protection

- Memory protection

- Timing supervision function

- Floating-point operation function

4.1.2 External memory bus

The access to external memory area is not supported.

4.1.3 Floating-point unit

A simulation result of the floating-point unit [FPU] has a margin of errors compared to real devices. The

simulator uses the floating-point library of Visual C++, and store a result calculated by 80bit in a register.

4.1.4 Exceptions

Following exception is not supported.

System error exception, Memory error exception

4.1.5 Cache memory

The simulation of cache memory is not supported.