Download RL78/G10 EEPROM Control by Simplified I2C Function

Transcript
RL78/G10
5.8.3
EEPROM Control by Simplified I2C Function
Clock Generation Circuit
Figure 5.8 shows the flowchart for clock generation circuit setup.
SINICLK
HOCODIV2 to 0 bits ← 1: Sets HOCO frequency to 24 MHz
Select frequency of
high-speed on-chip oscillator
RET
Figure 5.8 Clock Generation Circuit Setup
Selection of high-speed on-chip oscillator frequency
・High-speed on-chip oscillator frequency selection register (HOCODIV)
Selects the frequency of high-speed on-chip oscillator.
Symbol:HOCODIV
7
6
5
4
3
2
0
0
0
0
0
0
0
0
0
0
1
0
HOCODIV2 HOCODIV1 HOCODIV0
0
0
1
Bits 2 to 0
HOCODIV 2 HOCODIV 1 HOCODIV 0
High-speed on-chip oscillator clock frequency selection
0
0
1
20MHz
0
1
0
10MHz
0
1
1
5MHz
1
0
0
2.5MHz
0
1
1
Other than above
1.25MHz
Setting prohibited
Note: Refer to ‘RL78/G10 User's Manual: Hardware’ for more information about the register setting
method.
R01AN2217EJ0100 Rev. 1.00
Sep. 17, 2014
Page 32 of 81