Renesas H8S Series Hardware Manual page 278

Table 8-2 DTC Functions
Transfer Mode
•
Normal mode
 One transfer request transfers one byte or one
word
 Memory addresses are incremented or
decremented by 1 or 2
 Up to 65,536 transfers possible
•
Repeat mode
 One transfer request transfers one byte or one
word
 Memory addresses are incremented or
decremented by 1 or 2
 After the specified number of transfers (1 to 256),
the initial state resumes and operation continues
•
Block transfer mode
 One transfer request transfers a block of the
specified size
 Block size is from 1 to 256 bytes or words
 Up to 65,536 transfers possible
 A block area can be designated at either the
source or destination
Rev.6.00 Oct.28.2004 page 250 of 1016
REJ09B0138-0600H
Address Registers
Transfer
Activation Source Source
•
24 bits
IRQ
•
TPU TGI
•
8-bit timer CMI
•
SCI TXI or RXI
•
A/D converter
ADI
•
DMAC DEND
•
Software
Transfer
Destination
24 bits