M16C Datasheet, PDF (208/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M16C / 6N Group
Electrical characteristics
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Memory Expansion Mode and Microprocessor Mode
(With no wait)
Read timing
BCLK
CSi
td(BCLK–CS)
25ns.max
tcyc
th(BCLK–CS)
4ns.min
th(RD–CS)
0ns.min
ADi
BHE
ALE
RD
DB
td(BCLK–AD)
25ns.max
th(BCLK–AD)
4ns.min
td(BCLK–ALE) th(BCLK–ALE)
25ns.max
–4ns.min
td(BCLK–RD)
25ns.max
th(RD–AD)
0ns.min
th(BCLK–RD)
0ns.min
Hi–Z
tac1(RD–DB)
tSU(DB–RD)
40ns.min
th(RD–DB)
0ns.min
Write timing
BCLK
CSi
td(BCLK–CS)
25ns.max
tcyc
th(BCLK–CS)
4ns.min
th(WR–CS)
0ns.min
td(BCLK–AD)
25ns.max
ADi
BHE
ALE
td(BCLK–ALE) th(BCLK–ALE)
–4ns.min
25ns.max
td(BCLK–WR)
WR, WRL,
25ns.max
WRH
td(BCLK–DB)
40ns.max
DB
Hi-Z
th(BCLK-AD)
4ns.min
th(WR–AD) ^0ns.min
th(BCLK–WR)
0ns.min
th(BCLK–DB)
4ns.min
th(WR–DB)
td(DB–WR)
0ns.min
(tcyc/2–40)ns.min
Figure 21-4. Vcc = 5V timing diagram
208
VCC = 5V