Renesas M16C Series User Manual page 80

16-bit single-chip microcomputer

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Table of Contents

M30240 Group

DMAi control register

Figure 1.55: DMAC register (2)

Rev.1.00 Sep 24, 2003 Page 62 of 360

DMiCON(i=0,1)

Transfer unit bit select bit

Repeat transfer mode

DMA request bit (Note 1)

DMA enable bit

Source address direction

select bit (Note 3)

Destination address

direction select bit (Note 3)

Nothing is assigned.

Write "0" when writing to these bits. If read, the value is "0".

Note 1: DMA request can be cleared by resetting the bit.

Note 2: This bit can only be set to "0".

Note 3: Source address direction select bit and destination address direction select bit

cannot be set to "1" simultaneously.

0 : Single transfer

1 : Repeat transfer

0 : DMA not requested

1 : DMA requested

0 : Disabled