Renesas RL78/G1H

RL78/G1H CHAPTER 18 RF TRANSCEIVER
R01UH0575EJ0120 Rev. 1.20 Page 641 of 920
Dec 22, 2016
(80) Clock output control register (CLKOUTCON)
This register controls the clock output.
The clock can be output from the GPIO0 pin by using the clock output enable bit.
The output clock can be selected between the clock output select bit 0 and the clock output select bit 1.
CLKOUTCON register is set via serial interface in 8-bit units.
Reset signal generation sets this register to 00H.
Figure 18 - 93 Clock Output Control Register (CLKOUTCON) Format
Caution Be sure to clear bits 3 to 7 to “0”.
Address: 0081H After reset: 00H R/W
Symbol76543210
CLKOUTCON 00000 CLKOUTSEL1 CLKOUTSEL0 CLKOUTEN
CLKOUTSEL1 CLKOUTSEL0 Clock output select bit
00
8 MHz
0 1 12 MHz
104 MHz
1 1 Setting prohibited
CLKOUTEN Clock output enable bit
0 Normal port
1 Clock output enabled