M306H2MC-XXXFP Datasheet, PDF (31/210 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306H2MC-XXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
with DATA ACQUISITION CONTROLLER
< Separate bus (no wait) >
BCLK
Write signal
Read signal
Data bus
Address bus
(Note 2)
Chip select
(Note 2)
Bus cycle
(Note 1)
Output
Address
Input
Address
< Separate bus (with wait) >
Bus cycle (Note 1)
BCLK
Write signal
Read signal
Data bus
Address bus
(Note 2)
Chip select
(Note 2)
Output
Address
< Multiplexed bus >
Bus cycle (Note 1)
BCLK
Write signal
Read signal
ALE
Address bus
(Note 2)
Address bus/
Data bus
Chip select
(Note 2)
Address
Address Data output
Input
Address
Address
Address
Input
Note 1: These example timing charts indicate bus cycle length.
After this bus cycle sometimes come read and write cycles in succession.
Note 2: The address bus and chip select may be extended depending on the CPU status
such as that of the instruction queue buffer.
Figure 2.4.7 Typical bus timings using software wait
30
Rev. 1.0