HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 446

• 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)
Rev.7.00 Mar. 18, 2009 page 378 of 1136
REJ09B0109-0700
Transfer from external memory to external device with DACK
Transfer from external device with DACK to external memory
φ
Address bus
RD
WR
EDACK
Data bus
ETEND
φ
Address bus
RD
WR
EDACK
Data bus
ETEND
Figure 8.4 Example of Timing in Single Address Mode
EXDMA cycle
EXDMA cycle
EDSAR
EDDAR
Address to external memory space
RD signal to external memory space
Data output from external memory
Address to external memory space
WR signal to external memory space
Data output from external device
with DACK