MB91F109 Datasheet, PDF (41/117 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller

MB91F109
(2) Block diagram
3
DREQ0 to DREQ2
Inner resource
Transfer request
Edge/level
3
detection circuit
5
Sequencer
3
DACK0 to DACK2
3
EOP0 to EOP2
8
Interrupt request
Data buffer
BLK DEC
INC / DEC
Switcher
DMAC parameter descriptor pointer
(DPDP)
DMAC control status register
(DACSR)
DMAC pin control register
(DATCR)
Mode
BLK
The first word of descriptor
(DMACT)
The second word of descriptor
(SADR)
The third word of descriptor
(DADR)
41