Clock Setting Methods - NEC IE-703116-MC-EM1 User Manual

2.2.2 Clock setting methods

A list of the hardware settings when setting the clock is shown below.
Type of Clock Used
Selection
(1) Use crystal Internal
oscillator (OSC1)
mounted on
IE-703116-MC-EM1
as internal clock.
(2) Change crystal Internal
oscillator (OSC1)
mounted on
IE-703116-MC-EM1
and use it as the
internal clock.
(3) Mount a Internal
crystal/ceramic
resonator on
IE-703116-MC-EM1
and use it as the
internal clock.
(4) Use the crystal External
oscillator on the
target system as an
external clock.
Notes 1. Select the clock source in the clock source selection area in the configuration dialog box on the
debugger.
2. The input setting to the CKSEL pin is made only when a target system is connected. Leave this pin
open when operating the emulator on a standalone basis.
Caution Settings other than those described above are prohibited.
CHAPTER 2 NAMES AND FUNCTIONS OF COMPONENTS
Table 2-1. List of Hardware Settings When Setting Clock
Clock OSC1 Crystal
Source Oscillator
Note 1
Factory
settings
(4.000 MHz)
Change
(to other than
4.000 MHz)
Crystal
oscillator can
be either
mounted or not
mounted
Crystal
oscillator can
be either
mounted or not
mounted
User's Manual U14700EJ2V0UM
CN2 Crystal/ JP1 Setting
Ceramic
Resonator
2
1
Mounting
prohibited
8
7
2
Mounting 1
prohibited
8
7
2
Mount 1
8
7
2
1
Mounting
prohibited
8
7
Clock SW1 CKSEL
Note 2
Mode Pin
PLL
PLL Low-level
input
Direct
PLL
Direct High-level
input
Direct
PLL
PLL Low-level
input
Direct
PLL
Direct High-level
input
Direct
PLL
PLL Low-level
input
Direct
PLL
Direct High-level
input
Direct
PLL
PLL Low-level
input
Direct
PLL
Direct High-level
input
Direct
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