SH7261 datasheet(370/1348 Pages) RENESAS

370 / 1348 page

Section 11 Direct Memory Access Controller (DMAC)

Rev. 2.00 Sep. 07, 2007 Page 338 of 1312

REJ09B0320-0200

11.3.10

DMA Activation Control Register (DMSCNT)

DMSCNT controls the operation of the DMAC.

Bit:

Initial value:

R/W:

9876543210

Bit:

Initial value:

R/W:

0000000000000000

RRRRRRRRRRRRRRR

R/W

0000000000000000

RRRRRRRRRRRRRRRR

—

DMST

—

——

Bit

Bit Name

Initial

Value

R/W

Description

31 to 17



All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

DMST

R/W

DMAC Module Activation

This bit is used to stop or activate the DMAC module.

When this bit is cleared to "0", the DMAC module

stops.

When this bit is set to "1", the DMAC module is

operational.

For details, see section 11.4.3, DMA Activation, and

section 11.6, Suspending, Restarting, and Stopping of

DMA Transfer.

0: DMAC halted

1: DMAC operating

15 to 0



All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

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