Table of Contents
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Section 8 DMA Controller
Transfer Mode
Full
Normal mode
address
•
Auto-request
mode
Retains the transfer request
internally
Executes a specified number
(1 to 65,536) of transfers
continuously
Selection of burst mode or
cycle-steal mode
•
External request
Transfers one byte or one
word per request
Executes 1 to 65,536 transfers
Block transfer
•
Transfers one block of a specified
size per request
•
Executes 1 to 65,536 transfers
•
Allows either the source or
destination to be a fixed block
area
•
Block size can be 1 to 255 bytes
or words
Rev. 3.00 Mar 21, 2006 page 188 of 814
REJ09B0302-0300
Activation
•
Auto-request
•
External request
•
Compare match/
input capture A
interrupts from ITU
channels 0 to 3
•
External request
Address
Reg. Length
Source
Destination
24
24
24
24
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