HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 428

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 8 EXDMA Controller (EXDMAC)
Figure 8.1 shows a block diagram of the EXDMAC.
Rev.7.00 Mar. 18, 2009 page 360 of 1136
REJ09B0109-0700
External pins
Interrupt request
signals to CPU
for individual
channels
Legend:
EDSAR:
EDDAR:
EDTCR:
EDMDR:
EDACR:
EDREQ
EDRAK
EDACK
ETEND
EXDMA source address register
EXDMA destination address register
EXDMA transfer count register
EXDMA mode control register
EXDMA address control register
Figure 8.1 Block Diagram of EXDMAC
Data buffer
Control logic
EDMDR
EDACR
Internal data bus
Bus controller
Address buffer
Processor
EDSAR
EDDAR
EDTCR