D12320VF25IV Datasheet, PDF (297/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 7 DMA Controller (Not Supported in the H8S/2321)
Figure 7.7 illustrates operation in repeat mode.
Address T
Transfer
1 byte or word transfer performed in
response to 1 transfer request
IOAR
Address B
Legend:
Address
Address
Where :
T=L
B = L + (–1)^DTID · (2^DTSZ · (N –1))
L = Value set in MAR
N = Value set in ETCR
Figure 7.7 Operation in Repeat mode
Transfer requests (activation sources) consist of A/D converter conversion end interrupts, external
requests, SCI transmission data empty and reception data full interrupts, and TPU channel 0 to 5
compare match/input capture A interrupts. External requests can be set for channel B only.
Rev.6.00 Sep. 27, 2007 Page 265 of 1268
REJ09B0220-0600