QB-V850MINIL, QB-V850MINI Emulator 3. On-Chip Debugging
R20UT0221EJ0400 Rev.4.00
Page 37 of 86
2013.08.30
3.4.4
Connecting the RESET# signal (for V850E2S or V850E2M)
To reset the target device while the target system power supply is on, connect the reset signal output from
QB-V850MINIL or QB-V850MINI to the RESET# pin on the target device. The RESET# signal timing and an
example connection circuit are shown below.
Figure 3-9. Timing of RESET# on QB-V850MINIL or QB-V850MINI
Figure 3-10. RESET# Pin Connection Example
3.3 V
V
DD
74LVC1T45
DIR
QB-V850MINIL/
QB-V850MINI
Target system
Target device
V
DD
RESET
＃
RESET
＃
Hi-Z
Low level
Low level
Hi-Z
Hi-Z
Software starts up (debugger starts running)
）
Software terminates (debugger stops running)
Target system power turned off
RESET
＃
Target system power turned on
