D12320VF25V Datasheet, PDF (230/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 7 Data Transfer Controller
Table 7.3 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
Activation Source
• IRQ
• TPU TGI
• 8-bit timer CMI
• SCI TXI or RXI
• A/D converter
ADI
• Software
Address Registers
Transfer Transfer
Source Destination
24 bits 24 bits
Rev.7.00 Feb. 14, 2007 page 196 of 1108
REJ09B0089-0700