Datasheet

Section 8 Data Transfer Controller
Rev.6.00 Sep. 27, 2007 Page 324 of 1268
REJ09B0220-0600
Table 8.3 DTC Functions
Address Registers
Transfer Mode Activation Source
Transfer
Source
Transfer
Destination
• 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
• IRQ
• TPU TGI
• 8-bit timer CMI
• SCI TXI or RXI
• A/D converter
ADI
• DMAC DEND
*
• Software
24 bits 24 bits
Note: * The DMAC is not supported in the H8S/2321.