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RL78/D1A User's Manual: Hardware - Renesas

RL78/D1A User's Manual: Hardware - Renesas

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Under development<br />

Preliminary document<br />

Specifications in this document are tentative and subject to change.<br />

<strong>RL78</strong>/<strong>D1A</strong> CHAPTER 27 OPTION BYTE<br />

(3) 000C2H/020C2H<br />

Setting of flash operation mode<br />

HS (high speed main) mode<br />

Setting of the frequency of the high-speed on-chip oscillator<br />

Select from 4 MHz, 8 MHz, 16 MHz, 24 MHz, and 32 MHz.<br />

Caution Set the same value as 000C2H to 020C2H when the boot swap operation is used because<br />

000C2H is replaced by 020C2H.<br />

27.1.2 On-chip debug option byte (000C3H/ 020C3H)<br />

Control of on-chip debug operation<br />

On-chip debug operation is disabled or enabled.<br />

Handling of data of flash memory in case of failure in on-chip debug security ID authentication<br />

Data of flash memory is erased or not erased in case of failure in on-chip debug security ID authentication.<br />

Caution Set the same value as 000C3H to 020C3H when the boot swap operation is used because<br />

000C3H is replaced by 020C3H.<br />

R01UH0317EJ0004 Rev. 0.04 1153<br />

Feb. 22, 2013

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