Datasheet

Appendix B Internal I/O Registers
Rev. 8.00 Mar. 09, 2010 Page 605 of 658
REJ09B0042-0800
OSCCR—Clock Pulse Generator Control Register H'F5 Clock Pulse Generator
Note: This register is implemented on the H8/38124 Group only.
Bit
Initial value
Read/Write
7
SUBSTP
0
R/W
6
⎯
0
R
5
⎯
0
R/W
0
⎯
0
R/W
2
IRQAECF
⎯
R
1
OSCF
⎯
R
4
⎯
0
R/W
OSC Flag
0
Operation using system clock oscillator (on-chip oscillator stopped)
1 Operation using on-chip oscillator (system clock oscillator stopped)
IRQAEC Flag
0 IRQAEC pin set to GND during resets
1 IRQAEC pin set to VCC during resets
Subclock Oscillator Stop Control
0 Subclock oscillator operating (initial value)
1 Subclock oscillator stopped
3
⎯
0
R/W