HD64570 Datasheet, PDF (55/469 Pages) Hitachi Semiconductor – Serial Communications Adaptor

DMA status
register (DSR)
EOT
EOM
BOF
COF
—
—
DE
DWE
EOTE
EOME
BOFE
COFE
—
—
—
—
DMA interrupt enable
register (DIR)
DMIB (normal end interrupt)
DMIA (error end interrupt)
Figure 1.26 Logic Flow for Interrupt Requests, Status, and Enable Bits in DMAC Module
CMF
ECMI
TOIRQ, T1IRQ, T2IRQ, T3IRQ
Figure 1.27 Logic Flow for Interrupt Requests, Status, and Enable Bits in Timer Module
Rev. 0, 07/98, page 39 of 453