M306V2 Mitsubishi, M306V2 Datasheet - Page 75

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

Rev. 1.0
Figure 2.9.8 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
RD signal
WR signal
Data
bus
BCLK
Address
bus
RD signal
WR signal
Data
bus
BCLK
Address
bus
RD signal
WR signal
Data
bus
BCLK
Address
bus
RD signal
WR signal
Data
bus
16-bit transfers from even address and the source address is even.
(When 16-bit data is transferred on an 8-bit data bus, there are two destination write cycles).
Note: The same timing changes occur with the respective conditions at the destination as at the source.
Transferring 16-bit data on an 8-bit data bus (In this case, there are also two destination write cycles).
CPU use
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CPU use
CPU use
CPU use
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Source
Source
Source
Source
Source
Source
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
Destination
and ON-SCREEN DISPLAY CONTROLLER
CPU use
CPU use
Dummy
cycle
MITSUBISHI MICROCOMPUTERS
CPU use
Dummy
cycle
CPU use
CPU use
CPU use
M306V2ME-XXXFP
CPU use
CPU use
M306V2EEFP
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