System Startup Procedure - NEC QB-MINI2 User Manual

CHAPTER 5

5.2.3 System startup procedure

This section describes the system startup procedure.
(1) Preparation and installation of software
The following software is required to perform on-chip debugging. For details on preparation and installation of
software, refer to the setup manual supplied with MINICUBE2.
• Debugger
• USB driver
• Device file (may be unnecessary when using a partner manufacture•fs debugger)
(2) Switch setting
Set the mode select switch to "M1". Set the power select switch by referring to Table 5-4.
Caution Do not change the switch setting while the USB cable is connected.
Setting
3
5
T
Note The maximum rating of the current is 100 mA, so do not use MINICUBE2 with the target system with
the higher current rating. The power is always supplied after MINICUBE2 is connected to the host
machine.
(3) Connecting the target system
Connect MINICUBE2 to the target system as shown in Figure 5-14, before the power to the target system is
turned on.
Target system Target system
HOW TO USE MINICUBE2 WITH 78K0S MICROCONTROLLER
Table 5-4. Setting of Power Select Switch
3 V is supplied from MINICUBE2 to the target system
5 V is supplied from MINICUBE2 to the target system
Power supply of the target system is used.
MINICUBE2 only detects the power for the target system.
Figure 5-14. Connecting MINICUBE2 to Target System
16-pin target cable 16-pin target cable
User's Manual U18371EJ1V0UM
Observe the following order.
Description
Note
.
Note
.
MINICUBE2 MINICUBE2
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