upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 96
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upd78f0730
Manufacturer Part Number
upd78f0730
Description
8-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0730.pdf
(518 pages)
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5.4.2 Internal high-speed oscillator
oscillation mode register (RCM).
5.4.3 Internal low-speed oscillator
internal low-speed oscillation clock cannot be used as the CPU clock.
by software” is set, oscillation can be controlled by the internal oscillation mode register (RCM).
driven (240 kHz (TYP.)) if the watchdog timer operation is enabled using the option byte.
5.4.4 Prescaler
as the clock to be supplied to the CPU.
96
An internal high-speed oscillator is incorporated in the
After a reset release, the internal high-speed oscillator automatically starts oscillation (16 MHz (TYP.)).
An internal low-speed oscillator is incorporated in the
The internal low-speed oscillation clock is only used as the watchdog timer and the clock of 8-bit timer H1. The
“Can be stopped by software” or “Cannot be stopped” can be selected by the option byte. When “Can be stopped
After a reset release, the internal low-speed oscillator automatically starts oscillation, and the watchdog timer is
The prescaler generates various clocks by dividing the main system clock when the main system clock is selected
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 5 CLOCK GENERATOR
µ
PD78F0730.
µ
PD78F0730. Oscillation can be controlled by the internal
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