upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 84

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

5.3 Registers Controlling Clock Generator
84
Remarks 1. f
The following ten registers are used to control the clock generator.
• Clock operation mode select register (OSCCTL)
• Processor clock control register (PCC)
• Internal oscillation mode register (RCM)
• Main OSC control register (MOC)
• Main clock mode register (MCM)
• Oscillation stabilization time counter status register (OSTC)
• Oscillation stabilization time select register (OSTS)
• PLL control register (PLLC)
• USB clock control register (UCKC)
2. f
3. f
4. f
5. f
6. f
7. f
8. f
9. f
X
RH
EXCLK
XH
XP
PRS
CPU
RL
USB
:
:
:
:
:
:
:
:
:
X1 clock oscillation frequency
Internal high-speed oscillation clock frequency
External main system clock frequency
High-speed system clock oscillation frequency
Main system clock oscillation frequency
Peripheral hardware clock oscillation frequency
CPU clock oscillation frequency
Internal low-speed oscillation clock frequency
USB clock oscillation frequency
Preliminary User’s Manual U19014EJ1V0UD
CHAPTER 5 CLOCK GENERATOR