NEC V850ES/KE1+ User Manual page 604

(2) Internal oscillation mode register (RCM)
The RCM register is an 8-bit register that sets the operation mode of internal oscillator.
This register can be read or written in 8-bit or 1-bit units.
Reset sets this register 00H.
After reset:
RCM
RSTOP
Caution The setting of the RCM register is valid when stopping oscillation of internal oscillator by
software is enabled by the mask option/option byte. For details, refer to CHAPTER 25 MASK
OPTION/OPTION BYTE.
604
CHAPTER 21 CLOCK MONITOR
00H R/W Address: FFFFF80CH
0 0 0
Oscillation/stop of internal oscillator
0 Internal oscillator oscillating
1
Internal oscillator stopped
User's Manual U16896EJ2V0UD
0 0 0
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0 RSTOP