Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 332

Address T
A
Address B
A
Legend
Address T = L
A A
Address T = L
B B
Address B = L + SAIDE · (–1)
A A
Address B = L + DAIDE · (–1)
B B
Where : L = Value set in MARA
A
L = Value set in MARB
B
N = Value set in ETCRB
M = Value set in ETCRAH and ETCRAL
Figure 7.13 Operation in Block Transfer Mode (BLKDIR = 0)
Figure 7.14 illustrates operation in block transfer mode when MARA is designated as a block area.
Rev. 1.0, 09/01, page 288 of 904
1st block
Transfer
Consecutive transfer
of M bytes or words
is performed in
response to one
request
2nd block
Nth block
SAID DTSZ
· (2 · (M·N – 1))
DAID DTSZ
· (2 · (N – 1))
Address T
Block area
Address B
B
B