Holtek HT-IDE, Руководство пользователя

Страница: 49 / 258

The effects of the above 4 types of reset are listed in table 5-1.
Reset Item
Power-On
Reset
Target
Board
Reset
Software
Reset
Command
Software
Power-On
Reset
Command
Clear Registers (*) (*) (*) (*)
Clear Options Yes No No No
Clear PD, TO Yes No No Yes
PC Value (**) 0 0 0
Emulation Stop (**) No(***) Yes Yes
Check Stand-Alone Yes No No No
Table 5-1
Note (*) : Refer to the Data Book of the corresponding
µ
C for the effects of
registers under the different resets.
(**) : After power-on reset, the
µ
C will check if it is in the stand-alone mode.
If so, the
µ
C will start emulating the application program, otherwise
the PC value is 0 and the emulation stops.
(***) : If the reset is from the target board, the
µ
C will start emulating the
application after the reset is completed.
PC - program counter
PD - power down flag
TO - time out flag
To reset from the HT-IDE commands
•
Either choose the Reset command from Debug menu or click the Reset
button on the toolbar to exectute a software reset
•
Either choose the Power-on Reset command from the Debug menu or click
the Power-on Reset button to execute a software power on reset
To reset from the target board
The target board circuit can take advantage of the
µ
_RES pin (pin 03-C) on
the DIN connector to design a
µ
C reset button. The effect of this reset is
listed in table 5-1.
Chapter 5 HT-IDE Menu – Debug
39