Main Clock Oscillator Forced Oscillation Control Register (Mofcr) - Renesas RX100 Series User Manual

RX13T Group
9.2.13

Main Clock Oscillator Forced Oscillation Control Register (MOFCR)

Address(es): 0008 C293h
b7 b6
MOSEL MODR
—
0 0
Value after reset:
Bit Symbol
b4 to b0 —
b5 MODRV21
b6 MOSEL
b7 —
Note: Set the PRCR.PRC1 bit to 1 (write enabled) before rewriting this register.
MODRV21 Bit (Main Clock Oscillator Drive Capability Switch)
These bits select the drive capability of the main clock oscillator.
MOSEL Bit (Main Clock Oscillator Switch)
This bit selects the oscillation source of the main clock oscillator.
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
b5 b4 b3 b2
— — —
V21
0 0 0 0
Bit Name
Reserved
Main Clock Oscillator Drive
Capability Switch
Main Clock Oscillator Switch
Reserved
b1 b0
— —
0 0
Description
These bits are read as 0. The write value should be 0.
0: 1 MHz or higher and lower than 10 MHz
1: 10 MHz to 20 MHz
0: Resonator
1: External oscillator input
This bit is read as 0. The write value should be 0.
9. Clock Generation Circuit
R/W
R/W
R/W
R/W
R/W
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