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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 18 MULTIPLIER AND DIVIDER/MULTIPLY-ACCUMULATOR<br />

Operation clock<br />

Figure 18-8. Timing Diagram of Multiply-Accumulation (Unsigned) Operation<br />

(2 3 + 3 = 9 32767 2 + 4294901762 = 0 (over flow generated))<br />

00H 40H<br />

44H<br />

MDCH 0000H 0000H<br />

0000H FFFFH 0000H<br />

MDCL 0000H 0003H 0009H<br />

, <br />

0002H<br />

0000H<br />

MDAL 0000H 0002H 7FFFH<br />

MDAH<br />

MDBH<br />

MDBL<br />

INTMD<br />

MACOF<br />

MACSF L<br />

<br />

0000H 0003H 0002H<br />

0000H<br />

0000H<br />

<br />

0000H<br />

0006H<br />

<br />

R01UH0317EJ0004 Rev. 0.04 1021<br />

Feb. 22, 2013<br />

<br />

0000H<br />

FFFEH

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