HD64F3048VTF8 Datasheet, PDF (230/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

Section 8 DMA Controller
Transfer Mode
Activation
Full
address
mode
Normal mode
• Auto-request
 Retains the transfer request
internally
• Auto-request
• External request
 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
Address
Reg. Length
Source Destination
24
24
Block transfer
• Compare match/ 24
24
• Transfers one block of a specified
input capture A
size per request
interrupts from ITU
• Executes 1 to 65,536 transfers
channels 0 to 3
• Allows either the source or
• External request
destination to be a fixed block
area
• Block size can be 1 to 255 bytes
or words
Rev. 3.00 Sep 27, 2006 page 202 of 872
REJ09B0325-0300