![](http://datasheet.mmic.net.cn/30000/M30302M8-XXXGP_datasheet_2358921/M30302M8-XXXGP_173.png)
Timing (Vcc = 3V)
170
Mitsubishi microcomputers
M16C / 30 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Read timing
Write timing
BCLK
CSi
ALE
RD
60ns.max
4ns.min
Hi–Z
DB
0ns.min
ADi
BHE
tcyc
80ns.min
BCLK
CSi
ALE
–4ns.min
60ns.max
0ns.min
4ns.min
Hi–Z
DB
4ns.min
ADi
BHE
tcyc
th(BCLK–ALE)
th(BCLK–DB)
td(BCLK–ALE)
td(BCLK–WR)
0ns.min
th(WR–AD)
Memory Expansion Mode and Microprocessor Mode
(With no wait)
WR,WRL,
WRH
td(BCLK–CS)
60ns.max
th(BCLK–CS)
th(RD–CS)
td(BCLK–AD)
60ns.max
th(BCLK–AD)
60ns.max
td(BCLK–ALE)
–4ns.min
th(RD–AD) 0ns.min
td(BCLK–RD)
th(BCLK–RD)
tac1(RD–DB)
th(RD–DB)
0ns.min
tSU(DB–RD)
td(BCLK–CS)
th(BCLK–CS)
4ns.min
60ns.max
0ns.min
th(WR–CS)
td(BCLK–AD)
60ns.max
th(BCLK–AD)
60ns.max
th(BCLK–ALE)
th(BCLK–WR)
td(BCLK–DB)
th(WR–DB)
td(DB–WR)
(tcyc/2–80)ns.min
0ns.min
80ns.max
0ns.min
VCC = 3V
Figure 1.23.10. VCC = 3V timing diagram (3)