HD6473032F16 Datasheet, PDF (218/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 8 DMA Controller
Transfer Mode
Full
address
mode
Normal mode
• Auto-request
 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
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
Rev. 3.00 Mar 21, 2006 page 188 of 814
REJ09B0302-0300