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Toshiba H1 SERIES TLCS-900 User Manual

Page 49

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TMP92CM22

2007-02-16

92CM22-47

(6) Specification of a micro DMA burst

Specifying the micro DMA burst function causes micro DMA transfer, once started,

to continue until the value in the transfer counter register reaches 0. Setting any of the
bits in the register DMAB which correspond to a micro DMA channel (as shown below)
to 1 specifies that any micro DMA transfer on that channel will be a burst transfer.

Symbol

Name

Address

7 6 5 4 3 2 1 0

DBST7 DBST6

DBST5

DBST4

DBST3

DBST2 DBST1 DBST0

R/W

0 0 0 0 0 0 0 0

DMAB DMA

burst 108H

1: DMA request on burst mode

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