M16C65C_15 Datasheet, PDF (78/112 Pages) Renesas Technology Corp – RENESAS MCU

M16C/65C Group
5. Electrical Characteristics
Memory Expansion Mode and Microprocessor Mode
(in 1 to 3 waits setting and when accessing external area)
Read timing
BCLK
CSi
td(BCLK-CS)
25ns(max.)
tcyc
V_CC1 = V_CC2 = 5V
th(BCLK-CS)
0ns(min.)
ADi
BHE
ALE
RD
DBi
Write timing
BCLK
CSi
td(BCLK-AD)
25ns(max.)
td(BCLK-ALE)
15ns(max.)
th(BCLK-ALE)
-4ns(min.)
td(BCLK-RD)
25ns(max.)
th(BCLK-AD)
0ns(min.)
th(RD-AD)
0ns(min.)
th(BCLK-RD)
0ns(min.)
Hi-Z
tac2(RD-DB)
{(n+0.5) × tcyc-45}ns(max.)
tsu(DB-RD)
50ns(min.)
th(RD-DB)
0ns(min.)
td(BCLK-CS)
25ns(max.)
tcyc
th(BCLK-CS)
0ns(min.)
ADi
BHE
ALE
WR, WRL,
WRH
DBi
td(BCLK-AD)
25ns(max.)
th(BCLK-AD)
0ns(min.)
td(BCLK-ALE)
15ns(max.)
th(BCLK-ALE)
-4ns(min.)
td(BCLK-WR)
25ns(max.)
th(WR-AD)
(0.5 × t_cyc - 10)ns(min.)
th(BCLK-WR)
0ns(min.)
Hi-Z
td(BCLK-DB)
40ns(max.)
td(DB-WR)
th(WR-DB)
{(n-0.5) × tcyc -40}ns(min.) (0.5 × t_cyc - 20)ns(min.)
1
tcyc = _f(BCLK)
Measuring conditions
y VCC1 = VCC2 = 5V
y Input timing voltage: VIL = 0.8 V, VIH = 2.0 V
y Output timing voltage: VOL = 0.4 V, VOH = 2.4 V
Figure 5.16 Timing Diagram
n: 1 (when 1 wait)
2 (when 2 waits)
3 (when 3 waits)
R01DS0015EJ0110 Rev.1.10
Jul 31, 2012
Page 78 of 109