D12320VF25IV Datasheet, PDF (252/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 7 DMA Controller (Not Supported in the H8S/2321)
Table 7.1 (2) Overview of DMAC Functions (Full Address Mode)
Transfer Mode
Transfer Source
• Normal mode
• Auto-request
Auto-request
⎯ Transfer request retained internally
⎯ Transfers continue for the specified
number of times (1 to 65,536)
⎯ Choice of burst or cycle steal
transfer
Address Register Bit Length
Source
Destination
24
24
External request
• External request
⎯ 1-byte or 1-word transfer executed
for one transfer request
⎯ 1 to 65,536 transfers
• Block transfer mode
• TPU channel 0 to 24
24
⎯ Specified block size transfer
executed for one transfer request
⎯ 1 to 65,536 transfers
⎯ Either source or destination
specifiable as block area
⎯ Block size: 1 to 256 bytes or words
5 compare
match/input
capture A
interrupt
• SCI transmit-
data-empty
interrupt
• SCI receive-
data-full interrupt
• External request
• A/D converter
conversion end
interrupt
Rev.6.00 Sep. 27, 2007 Page 220 of 1268
REJ09B0220-0600