DTC
Register
control
MRA
MRB
CRA
CRB
SAR
DAR
Bus interface
Activation
control
DTC
response
control
Interrupt
controller
DTCCR
DTCVBR
Vector number
DTC response
Transfer request
DTCADMOD
DTCST
DTCSTS
DTC internal bus
Internal main bus 1
Internal main bus 2
Internal peripheral bus 1 Internal main bus 2
ROM
Internal
peripheral bus
Memory bus 2
RAM
Transfer
information
Memory bus 1
MRA: DTC mode register A
MRB: DTC mode register B
CRA: DTC transfer count register A
CRB: DTC transfer count register B
SAR: DTC transfer source register
DAR: DTC transfer destination register
DTCCR: DTC control register
DTCVBR: DTC vector base register
DTCADMOD: DTC address mode register
DTCST: DTC module start register
DTCSTS: DTC status register