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11 selecting clock supply, 1 clocks, 2 using an internal oscillator circuit board – Renesas Emulation Probe M306V8T-EPB User Manual

Page 38: Important

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M306V8T-EPB User’s Manual

2. Setup

REJ10J0777-0100 Rev.1.00 2005.08.01

Page 38 of 90

2.11 Selecting Clock Supply

2.11.1 Clocks
You can choose a clock supplied to the evaluation MCU by the Emulator tab in the Init dialog box of the emulator debugger.
Table 2.4 shows the clocks and their initial settings.

Table 2.4 Clock supply to the MCU

Clock

Display of

emulator debugger

Description Default

setting

Internal

Internal oscillator circuit board

(OSC-3 or OSC-2)

Yes

External

Oscillator circuit on the user system

-

Main (X

IN

-X

OUT

)

Generate

Internal generator circuit

(1.0--16.0 MHz)

-

Internal

Internal oscillator circuit

(32.768 kHz)

-

Sub (X

CIN

-X

COUT

)

External

Oscillator circuit on the user system

Yes


IMPORTANT

Notes on Changing the Clock Supply:

The clock supply can be set by the Init dialog box when starting up the emulator debugger or inputting CLK
command on the script window.


2.11.2 Using an Internal Oscillator Circuit Board
(1) Kinds of Oscillator Circuit Boards

The PC7501 comes with an oscillator circuit board OSC-3 (30 MHz). And an oscillator circuit board OSC-3 (16 MHz)
and an oscillator circuit board OSC-2 (bare board) are included with this product. If you use the internal oscillator
circuit board OSC-3 (16 MHz) or OSC-2 of the PC7501 as a main clock, choose "Internal" in the emulator debugger
after replacing oscillator circuit boards to change a clock supplied to an MCU.