m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 78

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

DMAC
72
Figure 1.11.5. Example of the transfer cycles for a source read
(1) 8-bit transfers
(2) 16-bit transfers and the source address is odd
(3) One wait is inserted into the source read under the conditions in (1)
(4) One wait is inserted into the source read under the conditions in (2)
BCLK
Address
bus
WR signal
Data
bus
BCLK
Address
bus
WR signal
Data
bus
BCLK
Address
bus
WR signal
Data
bus
BCLK
Address
bus
WR signal
Data
bus
RD signal
RD signal
RD signal
RD signal
16-bit transfers and the source address is even.
Note: The same timing changes occur with the respective conditions at the destination as at the source
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change.
CPU use
CPU use
CPU use
CPU use
CPU use
CPU use
CPU use
CPU use
Source
Source
Source
Source
Source
Source
Renesas Technology Corp.
Destination
Source + 1
Source
Source
Destination
Source + 1
Destination
Destination
Dummy
cycle
Destination
Destination
Dummy
cycle
Source + 1
Source + 1
Dummy
cycle
Dummy
cycle
Dummy
cycle
Dummy
cycle
Destination
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Destination
CPU use
CPU use
Dummy
cycle
CPU use
Dummy
cycle
CPU use
CPU use
CPU use
CPU use
M16C/26 Group
CPU use