H8S78 Datasheet, PDF (11/1208 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series

Item
Page
8.4.2 Address Modes 377
Figure 8.3 Data Flow in
Single Address Mode
Revision (See Manual for Details)
Figure amended
External
memory
External device
with DACK
Figure 8.4 Example of 378
Timing in Single Address
Mode
Figure amended
Transfer from external memory to external device with DACK
EXDMA cycle
φ
Address bus
RD
WR
EDSAR
Address to external memory space
RD signal to external memory space
EDACK
Data bus
ETEND
Data output from external memory
Transfer from external device with DACK to external memory
EXDMA cycle
φ
Address bus
RD
WR
EDACK
EDDAR
Address to external memory space
WR signal to external memory space
Data bus
ETEND
Data output from external device
with DACK
Rev.7.00 Mar. 18, 2009 page ix of lxvi
REJ09B0109-0700