Renesas M3062PT2-EPB Manual de usuario descargar pdf (Pagina 96)

M3062PT2-EPB User’s Manual 5. Troubleshooting

R20UT0211EJ0300 Aug 16, 2012 Page 96 of 104

Rev.3.00

5.2 When the Emulator Debugger Does Not Start Up Properly

(1) When the LEDs of the PC7501 Do Not Display Normally

Table 5.1 Errors LEDs show and their checkpoints

Error

Connection to

the user system

Checkpoint

LEDs do not light up. - Check that the power cable is connected.

See "2.5 Connecting the Power Supply for the Emulator" (page 25)

and th

e user's manual of the PC7501.

All LEDs remain lit. - Recheck the connection between the PC7501 and this product.

See "2.4 Connecting the PC7501" (page 24).

Target Status POWER LED

does not light up.

Connected Check that power (Vcc) is properly supplied to the user system and

that the user system is properly grounded.

Target Status CLOCK LED

does not light up.

Not connected (1) Check that both the main and sub clocks of the emulator

debugger are not set to "EXT".

See the CLK command of the emulator debugger.

(2) Check the oscillation circuit in the emulator is oscillating.

See "2.11 Selecting Clock Supply" (page 45).

Connected When the clock is supplied from an external oscillator, check that

the oscillator circuit in the user system is oscillating properly.

Target Status RESET LED does

not go out.

Connected Check that the reset pin of the user system is pulled up.

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Renesas M3062PT2-EPB Manual de usuario Pagina 96