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In the E6000, the clock can be selected by using the Configuration window or the Clock
command.
Table 1.4
Clock Selections
Clock Command
Parameter
12
25
33
t
t2
The system clock (φ) frequency is the same clock
frequency input to the XTAL and EXTAL when external clock
t is specified in the HDI CLOCK command. For example,
when a 20-MHz crystal oscillator is connected to the XTAL
and EXTAL of the user system, the system clock (φ)
frequency is 20 MHz. When external clock t2 is specified in
the HDI CLOCK command, the system clock (φ) frequency is
1/2 of the clock frequency input to the XTAL and EXTAL.
The frequency of the E6000 internal clock specified with
the HDI CLOCK command is applied to the system clock (φ).
4
Configuration
Window Setting
12.5 MHz internal clock
25 MHz internal clock
33 MHz internal clock
Target
Target/2
NOTE
Notes
Default
Not supported by the actual MCU.
Use this clock only when the required clock
duty cannot be obtained.
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