QB-RL78L12 In-Circuit Emulator
4.2 Debugging Note
- Operation after target system power application
After power application, a program will be executed for the target device mounted in the target system when reset
is released. However, with the QB-RL78L12, the program does not start until an operation to start execution is
performed after the program is downloaded using the debugger.
- Relation between Standby function and Break function
The break is interrupt function of CPU. The standby mode is released by the break for using the following debug
function.
- Stops execution of the user program.
- Step execution of the standby instruction (Stops user program after execution instruction)
- Pseudo real-time RAM monitor function (Break When Readout)
- Pseudo Dynamic Memory Modification (Break When Write)
- Breakpoint setting executing of the user program.
- Invalid memory access detection function (IAW)
The behavior when detecting an invalid memory access is different between target device and emulator.
Target device : Reset
IECUBE : Fail-safe break
- RAM parity error detection function
When detecting a RAM parity error, a reset does not occur in IECUBE.
Fail safe break occurs.
R20UT2080EJ0100 Rev.1.00
2013.03.18
CHAPTER 4 CAUTIONS
Page 38 of 42